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[WIDL]
[reactos.git] / reactos / tools / widl / parser.y
1 %{
2 /*
3 * IDL Compiler
4 *
5 * Copyright 2002 Ove Kaaven
6 * Copyright 2006-2008 Robert Shearman
7 *
8 * This library is free software; you can redistribute it and/or
9 * modify it under the terms of the GNU Lesser General Public
10 * License as published by the Free Software Foundation; either
11 * version 2.1 of the License, or (at your option) any later version.
12 *
13 * This library is distributed in the hope that it will be useful,
14 * but WITHOUT ANY WARRANTY; without even the implied warranty of
15 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
16 * Lesser General Public License for more details.
17 *
18 * You should have received a copy of the GNU Lesser General Public
19 * License along with this library; if not, write to the Free Software
20 * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA
21 */
22
23 #include "config.h"
24
25 #include <stdio.h>
26 #include <stdlib.h>
27 #include <stdarg.h>
28 #include <assert.h>
29 #include <ctype.h>
30 #include <string.h>
31
32 #include "widl.h"
33 #include "utils.h"
34 #include "parser.h"
35 #include "header.h"
36 #include "typelib.h"
37 #include "typegen.h"
38 #include "expr.h"
39 #include "typetree.h"
40
41 #if defined(YYBYACC)
42 /* Berkeley yacc (byacc) doesn't seem to know about these */
43 /* Some *BSD supplied versions do define these though */
44 # ifndef YYEMPTY
45 # define YYEMPTY (-1) /* Empty lookahead value of yychar */
46 # endif
47 # ifndef YYLEX
48 # define YYLEX yylex()
49 # endif
50
51 #elif defined(YYBISON)
52 /* Bison was used for original development */
53 /* #define YYEMPTY -2 */
54 /* #define YYLEX yylex() */
55
56 #else
57 /* No yacc we know yet */
58 # if !defined(YYEMPTY) || !defined(YYLEX)
59 # error Yacc version/type unknown. This version needs to be verified for settings of YYEMPTY and YYLEX.
60 # elif defined(__GNUC__) /* gcc defines the #warning directive */
61 # warning Yacc version/type unknown. It defines YYEMPTY and YYLEX, but is not tested
62 /* #else we just take a chance that it works... */
63 # endif
64 #endif
65
66 #define YYERROR_VERBOSE
67
68 static unsigned char pointer_default = RPC_FC_UP;
69
70 typedef struct list typelist_t;
71 struct typenode {
72 type_t *type;
73 struct list entry;
74 };
75
76 struct _import_t
77 {
78 char *name;
79 int import_performed;
80 };
81
82 typedef struct _decl_spec_t
83 {
84 type_t *type;
85 attr_list_t *attrs;
86 enum storage_class stgclass;
87 } decl_spec_t;
88
89 typelist_t incomplete_types = LIST_INIT(incomplete_types);
90
91 static void fix_incomplete(void);
92 static void fix_incomplete_types(type_t *complete_type);
93
94 static str_list_t *append_str(str_list_t *list, char *str);
95 static attr_list_t *append_attr(attr_list_t *list, attr_t *attr);
96 static attr_list_t *append_attr_list(attr_list_t *new_list, attr_list_t *old_list);
97 static decl_spec_t *make_decl_spec(type_t *type, decl_spec_t *left, decl_spec_t *right, attr_t *attr, enum storage_class stgclass);
98 static attr_t *make_attr(enum attr_type type);
99 static attr_t *make_attrv(enum attr_type type, unsigned int val);
100 static attr_t *make_attrp(enum attr_type type, void *val);
101 static expr_list_t *append_expr(expr_list_t *list, expr_t *expr);
102 static array_dims_t *append_array(array_dims_t *list, expr_t *expr);
103 static var_t *declare_var(attr_list_t *attrs, decl_spec_t *decl_spec, const declarator_t *decl, int top);
104 static var_list_t *set_var_types(attr_list_t *attrs, decl_spec_t *decl_spec, declarator_list_t *decls);
105 static ifref_list_t *append_ifref(ifref_list_t *list, ifref_t *iface);
106 static ifref_t *make_ifref(type_t *iface);
107 static var_list_t *append_var_list(var_list_t *list, var_list_t *vars);
108 static declarator_list_t *append_declarator(declarator_list_t *list, declarator_t *p);
109 static declarator_t *make_declarator(var_t *var);
110 static type_t *make_safearray(type_t *type);
111 static typelib_t *make_library(const char *name, const attr_list_t *attrs);
112 static type_t *append_ptrchain_type(type_t *ptrchain, type_t *type);
113
114 static type_t *reg_typedefs(decl_spec_t *decl_spec, var_list_t *names, attr_list_t *attrs);
115 static type_t *find_type_or_error(const char *name, int t);
116 static type_t *find_type_or_error2(char *name, int t);
117
118 static var_t *reg_const(var_t *var);
119
120 static char *gen_name(void);
121 static void check_arg_attrs(const var_t *arg);
122 static void check_statements(const statement_list_t *stmts, int is_inside_library);
123 static void check_all_user_types(const statement_list_t *stmts);
124 static attr_list_t *check_iface_attrs(const char *name, attr_list_t *attrs);
125 static attr_list_t *check_function_attrs(const char *name, attr_list_t *attrs);
126 static attr_list_t *check_typedef_attrs(attr_list_t *attrs);
127 static attr_list_t *check_enum_attrs(attr_list_t *attrs);
128 static attr_list_t *check_struct_attrs(attr_list_t *attrs);
129 static attr_list_t *check_union_attrs(attr_list_t *attrs);
130 static attr_list_t *check_field_attrs(const char *name, attr_list_t *attrs);
131 static attr_list_t *check_library_attrs(const char *name, attr_list_t *attrs);
132 static attr_list_t *check_dispiface_attrs(const char *name, attr_list_t *attrs);
133 static attr_list_t *check_module_attrs(const char *name, attr_list_t *attrs);
134 static attr_list_t *check_coclass_attrs(const char *name, attr_list_t *attrs);
135 const char *get_attr_display_name(enum attr_type type);
136 static void add_explicit_handle_if_necessary(var_t *func);
137 static void check_def(const type_t *t);
138
139 static statement_t *make_statement(enum statement_type type);
140 static statement_t *make_statement_type_decl(type_t *type);
141 static statement_t *make_statement_reference(type_t *type);
142 static statement_t *make_statement_declaration(var_t *var);
143 static statement_t *make_statement_library(typelib_t *typelib);
144 static statement_t *make_statement_cppquote(const char *str);
145 static statement_t *make_statement_importlib(const char *str);
146 static statement_t *make_statement_module(type_t *type);
147 static statement_t *make_statement_typedef(var_list_t *names);
148 static statement_t *make_statement_import(const char *str);
149 static statement_t *make_statement_typedef(var_list_t *names);
150 static statement_list_t *append_statement(statement_list_t *list, statement_t *stmt);
151
152 %}
153 %union {
154 attr_t *attr;
155 attr_list_t *attr_list;
156 str_list_t *str_list;
157 expr_t *expr;
158 expr_list_t *expr_list;
159 array_dims_t *array_dims;
160 type_t *type;
161 var_t *var;
162 var_list_t *var_list;
163 declarator_t *declarator;
164 declarator_list_t *declarator_list;
165 statement_t *statement;
166 statement_list_t *stmt_list;
167 ifref_t *ifref;
168 ifref_list_t *ifref_list;
169 char *str;
170 UUID *uuid;
171 unsigned int num;
172 double dbl;
173 interface_info_t ifinfo;
174 typelib_t *typelib;
175 struct _import_t *import;
176 struct _decl_spec_t *declspec;
177 enum storage_class stgclass;
178 }
179
180 %token <str> aIDENTIFIER
181 %token <str> aKNOWNTYPE
182 %token <num> aNUM aHEXNUM
183 %token <dbl> aDOUBLE
184 %token <str> aSTRING aWSTRING aSQSTRING
185 %token <uuid> aUUID
186 %token aEOF
187 %token SHL SHR
188 %token MEMBERPTR
189 %token EQUALITY INEQUALITY
190 %token GREATEREQUAL LESSEQUAL
191 %token LOGICALOR LOGICALAND
192 %token ELLIPSIS
193 %token tAGGREGATABLE tALLOCATE tANNOTATION tAPPOBJECT tASYNC tASYNCUUID
194 %token tAUTOHANDLE tBINDABLE tBOOLEAN tBROADCAST tBYTE tBYTECOUNT
195 %token tCALLAS tCALLBACK tCASE tCDECL tCHAR tCOCLASS tCODE tCOMMSTATUS
196 %token tCONST tCONTEXTHANDLE tCONTEXTHANDLENOSERIALIZE
197 %token tCONTEXTHANDLESERIALIZE tCONTROL tCPPQUOTE
198 %token tDECODE tDEFAULT tDEFAULTBIND
199 %token tDEFAULTCOLLELEM
200 %token tDEFAULTVALUE
201 %token tDEFAULTVTABLE
202 %token tDISABLECONSISTENCYCHECK tDISPLAYBIND
203 %token tDISPINTERFACE
204 %token tDLLNAME tDOUBLE tDUAL
205 %token tENABLEALLOCATE tENCODE tENDPOINT
206 %token tENTRY tENUM tERRORSTATUST
207 %token tEXPLICITHANDLE tEXTERN
208 %token tFALSE
209 %token tFASTCALL tFAULTSTATUS
210 %token tFLOAT tFORCEALLOCATE
211 %token tHANDLE
212 %token tHANDLET
213 %token tHELPCONTEXT tHELPFILE
214 %token tHELPSTRING tHELPSTRINGCONTEXT tHELPSTRINGDLL
215 %token tHIDDEN
216 %token tHYPER tID tIDEMPOTENT
217 %token tIGNORE tIIDIS
218 %token tIMMEDIATEBIND
219 %token tIMPLICITHANDLE
220 %token tIMPORT tIMPORTLIB
221 %token tIN tIN_LINE tINLINE
222 %token tINPUTSYNC
223 %token tINT tINT3264 tINT64
224 %token tINTERFACE
225 %token tLCID
226 %token tLENGTHIS tLIBRARY
227 %token tLICENSED tLOCAL
228 %token tLONG
229 %token tMAYBE tMESSAGE
230 %token tMETHODS
231 %token tMODULE
232 %token tNOCODE tNONBROWSABLE
233 %token tNONCREATABLE
234 %token tNONEXTENSIBLE
235 %token tNOTIFY tNOTIFYFLAG
236 %token tNULL
237 %token tOBJECT tODL tOLEAUTOMATION
238 %token tOPTIMIZE tOPTIONAL
239 %token tOUT
240 %token tPARTIALIGNORE tPASCAL
241 %token tPOINTERDEFAULT
242 %token tPROGID tPROPERTIES
243 %token tPROPGET tPROPPUT tPROPPUTREF
244 %token tPROXY tPTR
245 %token tPUBLIC
246 %token tRANGE
247 %token tREADONLY tREF
248 %token tREGISTER tREPRESENTAS
249 %token tREQUESTEDIT
250 %token tRESTRICTED
251 %token tRETVAL
252 %token tSAFEARRAY
253 %token tSHORT
254 %token tSIGNED
255 %token tSIZEIS tSIZEOF
256 %token tSMALL
257 %token tSOURCE
258 %token tSTATIC
259 %token tSTDCALL
260 %token tSTRICTCONTEXTHANDLE
261 %token tSTRING tSTRUCT
262 %token tSWITCH tSWITCHIS tSWITCHTYPE
263 %token tTHREADING tTRANSMITAS
264 %token tTRUE
265 %token tTYPEDEF
266 %token tUIDEFAULT tUNION
267 %token tUNIQUE
268 %token tUNSIGNED
269 %token tUSESGETLASTERROR tUSERMARSHAL tUUID
270 %token tV1ENUM
271 %token tVARARG
272 %token tVERSION tVIPROGID
273 %token tVOID
274 %token tWCHAR tWIREMARSHAL
275 %token tAPARTMENT tNEUTRAL tSINGLE tFREE tBOTH
276
277 %type <attr> attribute type_qualifier function_specifier
278 %type <attr_list> m_attributes attributes attrib_list m_type_qual_list
279 %type <str_list> str_list
280 %type <expr> m_expr expr expr_const expr_int_const array m_bitfield
281 %type <expr_list> m_exprs /* exprs expr_list */ expr_list_int_const
282 %type <ifinfo> interfacehdr
283 %type <stgclass> storage_cls_spec
284 %type <declspec> decl_spec decl_spec_no_type m_decl_spec_no_type
285 %type <type> inherit interface interfacedef interfacedec
286 %type <type> dispinterface dispinterfacehdr dispinterfacedef
287 %type <type> module modulehdr moduledef
288 %type <type> base_type int_std
289 %type <type> enumdef structdef uniondef typedecl
290 %type <type> type
291 %type <ifref> coclass_int
292 %type <ifref_list> coclass_ints
293 %type <var> arg ne_union_field union_field s_field case enum declaration
294 %type <var> funcdef
295 %type <var_list> m_args arg_list args dispint_meths
296 %type <var_list> fields ne_union_fields cases enums enum_list dispint_props field
297 %type <var> m_ident ident
298 %type <declarator> declarator direct_declarator init_declarator struct_declarator
299 %type <declarator> m_any_declarator any_declarator any_declarator_no_direct any_direct_declarator
300 %type <declarator> m_abstract_declarator abstract_declarator abstract_declarator_no_direct abstract_direct_declarator
301 %type <declarator_list> declarator_list struct_declarator_list
302 %type <type> coclass coclasshdr coclassdef
303 %type <num> pointer_type threading_type version
304 %type <str> libraryhdr callconv cppquote importlib import t_ident
305 %type <uuid> uuid_string
306 %type <import> import_start
307 %type <typelib> library_start librarydef
308 %type <statement> statement typedef
309 %type <stmt_list> gbl_statements imp_statements int_statements
310
311 %left ','
312 %right '?' ':'
313 %left LOGICALOR
314 %left LOGICALAND
315 %left '|'
316 %left '^'
317 %left '&'
318 %left EQUALITY INEQUALITY
319 %left '<' '>' LESSEQUAL GREATEREQUAL
320 %left SHL SHR
321 %left '-' '+'
322 %left '*' '/' '%'
323 %right '!' '~' CAST PPTR POS NEG ADDRESSOF tSIZEOF
324 %left '.' MEMBERPTR '[' ']'
325
326 %%
327
328 input: gbl_statements { fix_incomplete();
329 check_statements($1, FALSE);
330 check_all_user_types($1);
331 write_header($1);
332 write_id_data($1);
333 write_proxies($1);
334 write_client($1);
335 write_server($1);
336 write_regscript($1);
337 write_dlldata($1);
338 write_local_stubs($1);
339 }
340 ;
341
342 gbl_statements: { $$ = NULL; }
343 | gbl_statements interfacedec { $$ = append_statement($1, make_statement_reference($2)); }
344 | gbl_statements interfacedef { $$ = append_statement($1, make_statement_type_decl($2)); }
345 | gbl_statements coclass ';' { $$ = $1;
346 reg_type($2, $2->name, 0);
347 }
348 | gbl_statements coclassdef { $$ = append_statement($1, make_statement_type_decl($2));
349 reg_type($2, $2->name, 0);
350 }
351 | gbl_statements moduledef { $$ = append_statement($1, make_statement_module($2)); }
352 | gbl_statements librarydef { $$ = append_statement($1, make_statement_library($2)); }
353 | gbl_statements statement { $$ = append_statement($1, $2); }
354 ;
355
356 imp_statements: { $$ = NULL; }
357 | imp_statements interfacedec { $$ = append_statement($1, make_statement_reference($2)); }
358 | imp_statements interfacedef { $$ = append_statement($1, make_statement_type_decl($2)); }
359 | imp_statements coclass ';' { $$ = $1; reg_type($2, $2->name, 0); }
360 | imp_statements coclassdef { $$ = append_statement($1, make_statement_type_decl($2));
361 reg_type($2, $2->name, 0);
362 }
363 | imp_statements moduledef { $$ = append_statement($1, make_statement_module($2)); }
364 | imp_statements statement { $$ = append_statement($1, $2); }
365 | imp_statements importlib { $$ = append_statement($1, make_statement_importlib($2)); }
366 | imp_statements librarydef { $$ = append_statement($1, make_statement_library($2)); }
367 ;
368
369 int_statements: { $$ = NULL; }
370 | int_statements statement { $$ = append_statement($1, $2); }
371 ;
372
373 semicolon_opt:
374 | ';'
375 ;
376
377 statement:
378 cppquote { $$ = make_statement_cppquote($1); }
379 | typedecl ';' { $$ = make_statement_type_decl($1); }
380 | declaration ';' { $$ = make_statement_declaration($1); }
381 | import { $$ = make_statement_import($1); }
382 | typedef ';' { $$ = $1; }
383 ;
384
385 typedecl:
386 enumdef
387 | structdef
388 | uniondef
389 | attributes enumdef { $$ = $2; $$->attrs = check_enum_attrs($1); }
390 | attributes structdef { $$ = $2; $$->attrs = check_struct_attrs($1); }
391 | attributes uniondef { $$ = $2; $$->attrs = check_union_attrs($1); }
392 ;
393
394 cppquote: tCPPQUOTE '(' aSTRING ')' { $$ = $3; }
395 ;
396 import_start: tIMPORT aSTRING ';' { assert(yychar == YYEMPTY);
397 $$ = xmalloc(sizeof(struct _import_t));
398 $$->name = $2;
399 $$->import_performed = do_import($2);
400 if (!$$->import_performed) yychar = aEOF;
401 }
402 ;
403
404 import: import_start imp_statements aEOF { $$ = $1->name;
405 if ($1->import_performed) pop_import();
406 free($1);
407 }
408 ;
409
410 importlib: tIMPORTLIB '(' aSTRING ')'
411 semicolon_opt { $$ = $3; if(!parse_only) add_importlib($3); }
412 ;
413
414 libraryhdr: tLIBRARY aIDENTIFIER { $$ = $2; }
415 ;
416 library_start: attributes libraryhdr '{' { $$ = make_library($2, check_library_attrs($2, $1));
417 if (!parse_only) start_typelib($$);
418 }
419 ;
420 librarydef: library_start imp_statements '}'
421 semicolon_opt { $$ = $1;
422 $$->stmts = $2;
423 if (!parse_only) end_typelib();
424 }
425 ;
426
427 m_args: { $$ = NULL; }
428 | args
429 ;
430
431 arg_list: arg { check_arg_attrs($1); $$ = append_var( NULL, $1 ); }
432 | arg_list ',' arg { check_arg_attrs($3); $$ = append_var( $1, $3 ); }
433 ;
434
435 args: arg_list
436 | arg_list ',' ELLIPSIS { $$ = append_var( $1, make_var(strdup("...")) ); }
437 ;
438
439 /* split into two rules to get bison to resolve a tVOID conflict */
440 arg: attributes decl_spec m_any_declarator { if ($2->stgclass != STG_NONE && $2->stgclass != STG_REGISTER)
441 error_loc("invalid storage class for function parameter\n");
442 $$ = declare_var($1, $2, $3, TRUE);
443 free($2); free($3);
444 }
445 | decl_spec m_any_declarator { if ($1->stgclass != STG_NONE && $1->stgclass != STG_REGISTER)
446 error_loc("invalid storage class for function parameter\n");
447 $$ = declare_var(NULL, $1, $2, TRUE);
448 free($1); free($2);
449 }
450 ;
451
452 array: '[' m_expr ']' { $$ = $2; }
453 | '[' '*' ']' { $$ = make_expr(EXPR_VOID); }
454 ;
455
456 m_attributes: { $$ = NULL; }
457 | attributes
458 ;
459
460 attributes:
461 '[' attrib_list ']' { $$ = $2; }
462 ;
463
464 attrib_list: attribute { $$ = append_attr( NULL, $1 ); }
465 | attrib_list ',' attribute { $$ = append_attr( $1, $3 ); }
466 | attrib_list ']' '[' attribute { $$ = append_attr( $1, $4 ); }
467 ;
468
469 str_list: aSTRING { $$ = append_str( NULL, $1 ); }
470 | str_list ',' aSTRING { $$ = append_str( $1, $3 ); }
471 ;
472
473 attribute: { $$ = NULL; }
474 | tAGGREGATABLE { $$ = make_attr(ATTR_AGGREGATABLE); }
475 | tANNOTATION '(' aSTRING ')' { $$ = make_attrp(ATTR_ANNOTATION, $3); }
476 | tAPPOBJECT { $$ = make_attr(ATTR_APPOBJECT); }
477 | tASYNC { $$ = make_attr(ATTR_ASYNC); }
478 | tAUTOHANDLE { $$ = make_attr(ATTR_AUTO_HANDLE); }
479 | tBINDABLE { $$ = make_attr(ATTR_BINDABLE); }
480 | tBROADCAST { $$ = make_attr(ATTR_BROADCAST); }
481 | tCALLAS '(' ident ')' { $$ = make_attrp(ATTR_CALLAS, $3); }
482 | tCASE '(' expr_list_int_const ')' { $$ = make_attrp(ATTR_CASE, $3); }
483 | tCODE { $$ = make_attr(ATTR_CODE); }
484 | tCOMMSTATUS { $$ = make_attr(ATTR_COMMSTATUS); }
485 | tCONTEXTHANDLE { $$ = make_attrv(ATTR_CONTEXTHANDLE, 0); }
486 | tCONTEXTHANDLENOSERIALIZE { $$ = make_attrv(ATTR_CONTEXTHANDLE, 0); /* RPC_CONTEXT_HANDLE_DONT_SERIALIZE */ }
487 | tCONTEXTHANDLESERIALIZE { $$ = make_attrv(ATTR_CONTEXTHANDLE, 0); /* RPC_CONTEXT_HANDLE_SERIALIZE */ }
488 | tCONTROL { $$ = make_attr(ATTR_CONTROL); }
489 | tDECODE { $$ = make_attr(ATTR_DECODE); }
490 | tDEFAULT { $$ = make_attr(ATTR_DEFAULT); }
491 | tDEFAULTBIND { $$ = make_attr(ATTR_DEFAULTBIND); }
492 | tDEFAULTCOLLELEM { $$ = make_attr(ATTR_DEFAULTCOLLELEM); }
493 | tDEFAULTVALUE '(' expr_const ')' { $$ = make_attrp(ATTR_DEFAULTVALUE, $3); }
494 | tDEFAULTVTABLE { $$ = make_attr(ATTR_DEFAULTVTABLE); }
495 | tDISABLECONSISTENCYCHECK { $$ = make_attr(ATTR_DISABLECONSISTENCYCHECK); }
496 | tDISPLAYBIND { $$ = make_attr(ATTR_DISPLAYBIND); }
497 | tDLLNAME '(' aSTRING ')' { $$ = make_attrp(ATTR_DLLNAME, $3); }
498 | tDUAL { $$ = make_attr(ATTR_DUAL); }
499 | tENABLEALLOCATE { $$ = make_attr(ATTR_ENABLEALLOCATE); }
500 | tENCODE { $$ = make_attr(ATTR_ENCODE); }
501 | tENDPOINT '(' str_list ')' { $$ = make_attrp(ATTR_ENDPOINT, $3); }
502 | tENTRY '(' expr_const ')' { $$ = make_attrp(ATTR_ENTRY, $3); }
503 | tEXPLICITHANDLE { $$ = make_attr(ATTR_EXPLICIT_HANDLE); }
504 | tFAULTSTATUS { $$ = make_attr(ATTR_FAULTSTATUS); }
505 | tFORCEALLOCATE { $$ = make_attr(ATTR_FORCEALLOCATE); }
506 | tHANDLE { $$ = make_attr(ATTR_HANDLE); }
507 | tHELPCONTEXT '(' expr_int_const ')' { $$ = make_attrp(ATTR_HELPCONTEXT, $3); }
508 | tHELPFILE '(' aSTRING ')' { $$ = make_attrp(ATTR_HELPFILE, $3); }
509 | tHELPSTRING '(' aSTRING ')' { $$ = make_attrp(ATTR_HELPSTRING, $3); }
510 | tHELPSTRINGCONTEXT '(' expr_int_const ')' { $$ = make_attrp(ATTR_HELPSTRINGCONTEXT, $3); }
511 | tHELPSTRINGDLL '(' aSTRING ')' { $$ = make_attrp(ATTR_HELPSTRINGDLL, $3); }
512 | tHIDDEN { $$ = make_attr(ATTR_HIDDEN); }
513 | tID '(' expr_int_const ')' { $$ = make_attrp(ATTR_ID, $3); }
514 | tIDEMPOTENT { $$ = make_attr(ATTR_IDEMPOTENT); }
515 | tIGNORE { $$ = make_attr(ATTR_IGNORE); }
516 | tIIDIS '(' expr ')' { $$ = make_attrp(ATTR_IIDIS, $3); }
517 | tIMMEDIATEBIND { $$ = make_attr(ATTR_IMMEDIATEBIND); }
518 | tIMPLICITHANDLE '(' tHANDLET aIDENTIFIER ')' { $$ = make_attrp(ATTR_IMPLICIT_HANDLE, $4); }
519 | tIN { $$ = make_attr(ATTR_IN); }
520 | tINPUTSYNC { $$ = make_attr(ATTR_INPUTSYNC); }
521 | tLENGTHIS '(' m_exprs ')' { $$ = make_attrp(ATTR_LENGTHIS, $3); }
522 | tLCID '(' expr_int_const ')' { $$ = make_attrp(ATTR_LIBLCID, $3); }
523 | tLCID { $$ = make_attr(ATTR_PARAMLCID); }
524 | tLICENSED { $$ = make_attr(ATTR_LICENSED); }
525 | tLOCAL { $$ = make_attr(ATTR_LOCAL); }
526 | tMAYBE { $$ = make_attr(ATTR_MAYBE); }
527 | tMESSAGE { $$ = make_attr(ATTR_MESSAGE); }
528 | tNOCODE { $$ = make_attr(ATTR_NOCODE); }
529 | tNONBROWSABLE { $$ = make_attr(ATTR_NONBROWSABLE); }
530 | tNONCREATABLE { $$ = make_attr(ATTR_NONCREATABLE); }
531 | tNONEXTENSIBLE { $$ = make_attr(ATTR_NONEXTENSIBLE); }
532 | tNOTIFY { $$ = make_attr(ATTR_NOTIFY); }
533 | tNOTIFYFLAG { $$ = make_attr(ATTR_NOTIFYFLAG); }
534 | tOBJECT { $$ = make_attr(ATTR_OBJECT); }
535 | tODL { $$ = make_attr(ATTR_ODL); }
536 | tOLEAUTOMATION { $$ = make_attr(ATTR_OLEAUTOMATION); }
537 | tOPTIMIZE '(' aSTRING ')' { $$ = make_attrp(ATTR_OPTIMIZE, $3); }
538 | tOPTIONAL { $$ = make_attr(ATTR_OPTIONAL); }
539 | tOUT { $$ = make_attr(ATTR_OUT); }
540 | tPARTIALIGNORE { $$ = make_attr(ATTR_PARTIALIGNORE); }
541 | tPOINTERDEFAULT '(' pointer_type ')' { $$ = make_attrv(ATTR_POINTERDEFAULT, $3); }
542 | tPROGID '(' aSTRING ')' { $$ = make_attrp(ATTR_PROGID, $3); }
543 | tPROPGET { $$ = make_attr(ATTR_PROPGET); }
544 | tPROPPUT { $$ = make_attr(ATTR_PROPPUT); }
545 | tPROPPUTREF { $$ = make_attr(ATTR_PROPPUTREF); }
546 | tPROXY { $$ = make_attr(ATTR_PROXY); }
547 | tPUBLIC { $$ = make_attr(ATTR_PUBLIC); }
548 | tRANGE '(' expr_int_const ',' expr_int_const ')'
549 { expr_list_t *list = append_expr( NULL, $3 );
550 list = append_expr( list, $5 );
551 $$ = make_attrp(ATTR_RANGE, list); }
552 | tREADONLY { $$ = make_attr(ATTR_READONLY); }
553 | tREPRESENTAS '(' type ')' { $$ = make_attrp(ATTR_REPRESENTAS, $3); }
554 | tREQUESTEDIT { $$ = make_attr(ATTR_REQUESTEDIT); }
555 | tRESTRICTED { $$ = make_attr(ATTR_RESTRICTED); }
556 | tRETVAL { $$ = make_attr(ATTR_RETVAL); }
557 | tSIZEIS '(' m_exprs ')' { $$ = make_attrp(ATTR_SIZEIS, $3); }
558 | tSOURCE { $$ = make_attr(ATTR_SOURCE); }
559 | tSTRICTCONTEXTHANDLE { $$ = make_attr(ATTR_STRICTCONTEXTHANDLE); }
560 | tSTRING { $$ = make_attr(ATTR_STRING); }
561 | tSWITCHIS '(' expr ')' { $$ = make_attrp(ATTR_SWITCHIS, $3); }
562 | tSWITCHTYPE '(' type ')' { $$ = make_attrp(ATTR_SWITCHTYPE, $3); }
563 | tTRANSMITAS '(' type ')' { $$ = make_attrp(ATTR_TRANSMITAS, $3); }
564 | tTHREADING '(' threading_type ')' { $$ = make_attrv(ATTR_THREADING, $3); }
565 | tUIDEFAULT { $$ = make_attr(ATTR_UIDEFAULT); }
566 | tUSESGETLASTERROR { $$ = make_attr(ATTR_USESGETLASTERROR); }
567 | tUSERMARSHAL '(' type ')' { $$ = make_attrp(ATTR_USERMARSHAL, $3); }
568 | tUUID '(' uuid_string ')' { $$ = make_attrp(ATTR_UUID, $3); }
569 | tV1ENUM { $$ = make_attr(ATTR_V1ENUM); }
570 | tVARARG { $$ = make_attr(ATTR_VARARG); }
571 | tVERSION '(' version ')' { $$ = make_attrv(ATTR_VERSION, $3); }
572 | tVIPROGID '(' aSTRING ')' { $$ = make_attrp(ATTR_VIPROGID, $3); }
573 | tWIREMARSHAL '(' type ')' { $$ = make_attrp(ATTR_WIREMARSHAL, $3); }
574 | pointer_type { $$ = make_attrv(ATTR_POINTERTYPE, $1); }
575 ;
576
577 uuid_string:
578 aUUID
579 | aSTRING { if (!is_valid_uuid($1))
580 error_loc("invalid UUID: %s\n", $1);
581 $$ = parse_uuid($1); }
582 ;
583
584 callconv: tCDECL { $$ = $<str>1; }
585 | tFASTCALL { $$ = $<str>1; }
586 | tPASCAL { $$ = $<str>1; }
587 | tSTDCALL { $$ = $<str>1; }
588 ;
589
590 cases: { $$ = NULL; }
591 | cases case { $$ = append_var( $1, $2 ); }
592 ;
593
594 case: tCASE expr_int_const ':' union_field { attr_t *a = make_attrp(ATTR_CASE, append_expr( NULL, $2 ));
595 $$ = $4; if (!$$) $$ = make_var(NULL);
596 $$->attrs = append_attr( $$->attrs, a );
597 }
598 | tDEFAULT ':' union_field { attr_t *a = make_attr(ATTR_DEFAULT);
599 $$ = $3; if (!$$) $$ = make_var(NULL);
600 $$->attrs = append_attr( $$->attrs, a );
601 }
602 ;
603
604 enums: { $$ = NULL; }
605 | enum_list ',' { $$ = $1; }
606 | enum_list
607 ;
608
609 enum_list: enum { if (!$1->eval)
610 $1->eval = make_exprl(EXPR_NUM, 0 /* default for first enum entry */);
611 $$ = append_var( NULL, $1 );
612 }
613 | enum_list ',' enum { if (!$3->eval)
614 {
615 var_t *last = LIST_ENTRY( list_tail($$), var_t, entry );
616 $3->eval = make_exprl(EXPR_NUM, last->eval->cval + 1);
617 }
618 $$ = append_var( $1, $3 );
619 }
620 ;
621
622 enum: ident '=' expr_int_const { $$ = reg_const($1);
623 $$->eval = $3;
624 $$->type = type_new_int(TYPE_BASIC_INT, 0);
625 }
626 | ident { $$ = reg_const($1);
627 $$->type = type_new_int(TYPE_BASIC_INT, 0);
628 }
629 ;
630
631 enumdef: tENUM t_ident '{' enums '}' { $$ = type_new_enum($2, TRUE, $4); }
632 ;
633
634 m_exprs: m_expr { $$ = append_expr( NULL, $1 ); }
635 | m_exprs ',' m_expr { $$ = append_expr( $1, $3 ); }
636 ;
637
638 /*
639 exprs: { $$ = make_expr(EXPR_VOID); }
640 | expr_list
641 ;
642
643 expr_list: expr
644 | expr_list ',' expr { LINK($3, $1); $$ = $3; }
645 ;
646 */
647
648 m_expr: { $$ = make_expr(EXPR_VOID); }
649 | expr
650 ;
651
652 expr: aNUM { $$ = make_exprl(EXPR_NUM, $1); }
653 | aHEXNUM { $$ = make_exprl(EXPR_HEXNUM, $1); }
654 | aDOUBLE { $$ = make_exprd(EXPR_DOUBLE, $1); }
655 | tFALSE { $$ = make_exprl(EXPR_TRUEFALSE, 0); }
656 | tNULL { $$ = make_exprl(EXPR_NUM, 0); }
657 | tTRUE { $$ = make_exprl(EXPR_TRUEFALSE, 1); }
658 | aSTRING { $$ = make_exprs(EXPR_STRLIT, $1); }
659 | aWSTRING { $$ = make_exprs(EXPR_WSTRLIT, $1); }
660 | aSQSTRING { $$ = make_exprs(EXPR_CHARCONST, $1); }
661 | aIDENTIFIER { $$ = make_exprs(EXPR_IDENTIFIER, $1); }
662 | expr '?' expr ':' expr { $$ = make_expr3(EXPR_COND, $1, $3, $5); }
663 | expr LOGICALOR expr { $$ = make_expr2(EXPR_LOGOR, $1, $3); }
664 | expr LOGICALAND expr { $$ = make_expr2(EXPR_LOGAND, $1, $3); }
665 | expr '|' expr { $$ = make_expr2(EXPR_OR , $1, $3); }
666 | expr '^' expr { $$ = make_expr2(EXPR_XOR, $1, $3); }
667 | expr '&' expr { $$ = make_expr2(EXPR_AND, $1, $3); }
668 | expr EQUALITY expr { $$ = make_expr2(EXPR_EQUALITY, $1, $3); }
669 | expr INEQUALITY expr { $$ = make_expr2(EXPR_INEQUALITY, $1, $3); }
670 | expr '>' expr { $$ = make_expr2(EXPR_GTR, $1, $3); }
671 | expr '<' expr { $$ = make_expr2(EXPR_LESS, $1, $3); }
672 | expr GREATEREQUAL expr { $$ = make_expr2(EXPR_GTREQL, $1, $3); }
673 | expr LESSEQUAL expr { $$ = make_expr2(EXPR_LESSEQL, $1, $3); }
674 | expr SHL expr { $$ = make_expr2(EXPR_SHL, $1, $3); }
675 | expr SHR expr { $$ = make_expr2(EXPR_SHR, $1, $3); }
676 | expr '+' expr { $$ = make_expr2(EXPR_ADD, $1, $3); }
677 | expr '-' expr { $$ = make_expr2(EXPR_SUB, $1, $3); }
678 | expr '%' expr { $$ = make_expr2(EXPR_MOD, $1, $3); }
679 | expr '*' expr { $$ = make_expr2(EXPR_MUL, $1, $3); }
680 | expr '/' expr { $$ = make_expr2(EXPR_DIV, $1, $3); }
681 | '!' expr { $$ = make_expr1(EXPR_LOGNOT, $2); }
682 | '~' expr { $$ = make_expr1(EXPR_NOT, $2); }
683 | '+' expr %prec POS { $$ = make_expr1(EXPR_POS, $2); }
684 | '-' expr %prec NEG { $$ = make_expr1(EXPR_NEG, $2); }
685 | '&' expr %prec ADDRESSOF { $$ = make_expr1(EXPR_ADDRESSOF, $2); }
686 | '*' expr %prec PPTR { $$ = make_expr1(EXPR_PPTR, $2); }
687 | expr MEMBERPTR aIDENTIFIER { $$ = make_expr2(EXPR_MEMBER, make_expr1(EXPR_PPTR, $1), make_exprs(EXPR_IDENTIFIER, $3)); }
688 | expr '.' aIDENTIFIER { $$ = make_expr2(EXPR_MEMBER, $1, make_exprs(EXPR_IDENTIFIER, $3)); }
689 | '(' decl_spec m_abstract_declarator ')' expr %prec CAST
690 { $$ = make_exprt(EXPR_CAST, declare_var(NULL, $2, $3, 0), $5); free($2); free($3); }
691 | tSIZEOF '(' decl_spec m_abstract_declarator ')'
692 { $$ = make_exprt(EXPR_SIZEOF, declare_var(NULL, $3, $4, 0), NULL); free($3); free($4); }
693 | expr '[' expr ']' { $$ = make_expr2(EXPR_ARRAY, $1, $3); }
694 | '(' expr ')' { $$ = $2; }
695 ;
696
697 expr_list_int_const: expr_int_const { $$ = append_expr( NULL, $1 ); }
698 | expr_list_int_const ',' expr_int_const { $$ = append_expr( $1, $3 ); }
699 ;
700
701 expr_int_const: expr { $$ = $1;
702 if (!$$->is_const)
703 error_loc("expression is not an integer constant\n");
704 }
705 ;
706
707 expr_const: expr { $$ = $1;
708 if (!$$->is_const && $$->type != EXPR_STRLIT && $$->type != EXPR_WSTRLIT)
709 error_loc("expression is not constant\n");
710 }
711 ;
712
713 fields: { $$ = NULL; }
714 | fields field { $$ = append_var_list($1, $2); }
715 ;
716
717 field: m_attributes decl_spec struct_declarator_list ';'
718 { const char *first = LIST_ENTRY(list_head($3), declarator_t, entry)->var->name;
719 check_field_attrs(first, $1);
720 $$ = set_var_types($1, $2, $3);
721 }
722 | m_attributes uniondef ';' { var_t *v = make_var(NULL);
723 v->type = $2; v->attrs = $1;
724 $$ = append_var(NULL, v);
725 }
726 ;
727
728 ne_union_field:
729 s_field ';' { $$ = $1; }
730 | attributes ';' { $$ = make_var(NULL); $$->attrs = $1; }
731 ;
732
733 ne_union_fields: { $$ = NULL; }
734 | ne_union_fields ne_union_field { $$ = append_var( $1, $2 ); }
735 ;
736
737 union_field:
738 s_field ';' { $$ = $1; }
739 | ';' { $$ = NULL; }
740 ;
741
742 s_field: m_attributes decl_spec declarator { $$ = declare_var(check_field_attrs($3->var->name, $1),
743 $2, $3, FALSE);
744 free($3);
745 }
746 ;
747
748 funcdef: declaration { $$ = $1;
749 if (type_get_type($$->type) != TYPE_FUNCTION)
750 error_loc("only methods may be declared inside the methods section of a dispinterface\n");
751 check_function_attrs($$->name, $$->attrs);
752 }
753 ;
754
755 declaration:
756 attributes decl_spec init_declarator
757 { $$ = declare_var($1, $2, $3, FALSE);
758 free($3);
759 }
760 | decl_spec init_declarator { $$ = declare_var(NULL, $1, $2, FALSE);
761 free($2);
762 }
763 ;
764
765 m_ident: { $$ = NULL; }
766 | ident
767 ;
768
769 t_ident: { $$ = NULL; }
770 | aIDENTIFIER { $$ = $1; }
771 | aKNOWNTYPE { $$ = $1; }
772 ;
773
774 ident: aIDENTIFIER { $$ = make_var($1); }
775 /* some "reserved words" used in attributes are also used as field names in some MS IDL files */
776 | aKNOWNTYPE { $$ = make_var($<str>1); }
777 ;
778
779 base_type: tBYTE { $$ = find_type_or_error($<str>1, 0); }
780 | tWCHAR { $$ = find_type_or_error($<str>1, 0); }
781 | int_std
782 | tSIGNED int_std { $$ = type_new_int(type_basic_get_type($2), -1); }
783 | tUNSIGNED int_std { $$ = type_new_int(type_basic_get_type($2), 1); }
784 | tUNSIGNED { $$ = type_new_int(TYPE_BASIC_INT, 1); }
785 | tFLOAT { $$ = find_type_or_error($<str>1, 0); }
786 | tDOUBLE { $$ = find_type_or_error($<str>1, 0); }
787 | tBOOLEAN { $$ = find_type_or_error($<str>1, 0); }
788 | tERRORSTATUST { $$ = find_type_or_error($<str>1, 0); }
789 | tHANDLET { $$ = find_type_or_error($<str>1, 0); }
790 ;
791
792 m_int:
793 | tINT
794 ;
795
796 int_std: tINT { $$ = type_new_int(TYPE_BASIC_INT, 0); }
797 | tSHORT m_int { $$ = type_new_int(TYPE_BASIC_INT16, 0); }
798 | tSMALL { $$ = type_new_int(TYPE_BASIC_INT8, 0); }
799 | tLONG m_int { $$ = type_new_int(TYPE_BASIC_INT32, 0); }
800 | tHYPER m_int { $$ = type_new_int(TYPE_BASIC_HYPER, 0); }
801 | tINT64 { $$ = type_new_int(TYPE_BASIC_INT64, 0); }
802 | tCHAR { $$ = type_new_int(TYPE_BASIC_CHAR, 0); }
803 | tINT3264 { $$ = type_new_int(TYPE_BASIC_INT3264, 0); }
804 ;
805
806 coclass: tCOCLASS aIDENTIFIER { $$ = type_new_coclass($2); }
807 | tCOCLASS aKNOWNTYPE { $$ = find_type($2, 0);
808 if (type_get_type_detect_alias($$) != TYPE_COCLASS)
809 error_loc("%s was not declared a coclass at %s:%d\n",
810 $2, $$->loc_info.input_name,
811 $$->loc_info.line_number);
812 }
813 ;
814
815 coclasshdr: attributes coclass { $$ = $2;
816 check_def($$);
817 $$->attrs = check_coclass_attrs($2->name, $1);
818 }
819 ;
820
821 coclassdef: coclasshdr '{' coclass_ints '}' semicolon_opt
822 { $$ = type_coclass_define($1, $3); }
823 ;
824
825 coclass_ints: { $$ = NULL; }
826 | coclass_ints coclass_int { $$ = append_ifref( $1, $2 ); }
827 ;
828
829 coclass_int:
830 m_attributes interfacedec { $$ = make_ifref($2); $$->attrs = $1; }
831 ;
832
833 dispinterface: tDISPINTERFACE aIDENTIFIER { $$ = get_type(TYPE_INTERFACE, $2, 0); }
834 | tDISPINTERFACE aKNOWNTYPE { $$ = get_type(TYPE_INTERFACE, $2, 0); }
835 ;
836
837 dispinterfacehdr: attributes dispinterface { attr_t *attrs;
838 $$ = $2;
839 check_def($$);
840 attrs = make_attr(ATTR_DISPINTERFACE);
841 $$->attrs = append_attr( check_dispiface_attrs($2->name, $1), attrs );
842 $$->defined = TRUE;
843 }
844 ;
845
846 dispint_props: tPROPERTIES ':' { $$ = NULL; }
847 | dispint_props s_field ';' { $$ = append_var( $1, $2 ); }
848 ;
849
850 dispint_meths: tMETHODS ':' { $$ = NULL; }
851 | dispint_meths funcdef ';' { $$ = append_var( $1, $2 ); }
852 ;
853
854 dispinterfacedef: dispinterfacehdr '{'
855 dispint_props
856 dispint_meths
857 '}' { $$ = $1;
858 type_dispinterface_define($$, $3, $4);
859 }
860 | dispinterfacehdr
861 '{' interface ';' '}' { $$ = $1;
862 type_dispinterface_define_from_iface($$, $3);
863 }
864 ;
865
866 inherit: { $$ = NULL; }
867 | ':' aKNOWNTYPE { $$ = find_type_or_error2($2, 0); }
868 ;
869
870 interface: tINTERFACE aIDENTIFIER { $$ = get_type(TYPE_INTERFACE, $2, 0); }
871 | tINTERFACE aKNOWNTYPE { $$ = get_type(TYPE_INTERFACE, $2, 0); }
872 ;
873
874 interfacehdr: attributes interface { $$.interface = $2;
875 $$.old_pointer_default = pointer_default;
876 if (is_attr($1, ATTR_POINTERDEFAULT))
877 pointer_default = get_attrv($1, ATTR_POINTERDEFAULT);
878 check_def($2);
879 $2->attrs = check_iface_attrs($2->name, $1);
880 $2->defined = TRUE;
881 }
882 ;
883
884 interfacedef: interfacehdr inherit
885 '{' int_statements '}' semicolon_opt { $$ = $1.interface;
886 type_interface_define($$, $2, $4);
887 pointer_default = $1.old_pointer_default;
888 }
889 /* MIDL is able to import the definition of a base class from inside the
890 * definition of a derived class, I'll try to support it with this rule */
891 | interfacehdr ':' aIDENTIFIER
892 '{' import int_statements '}'
893 semicolon_opt { $$ = $1.interface;
894 type_interface_define($$, find_type_or_error2($3, 0), $6);
895 pointer_default = $1.old_pointer_default;
896 }
897 | dispinterfacedef semicolon_opt { $$ = $1; }
898 ;
899
900 interfacedec:
901 interface ';' { $$ = $1; }
902 | dispinterface ';' { $$ = $1; }
903 ;
904
905 module: tMODULE aIDENTIFIER { $$ = type_new_module($2); }
906 | tMODULE aKNOWNTYPE { $$ = type_new_module($2); }
907 ;
908
909 modulehdr: attributes module { $$ = $2;
910 $$->attrs = check_module_attrs($2->name, $1);
911 }
912 ;
913
914 moduledef: modulehdr '{' int_statements '}'
915 semicolon_opt { $$ = $1;
916 type_module_define($$, $3);
917 }
918 ;
919
920 storage_cls_spec:
921 tEXTERN { $$ = STG_EXTERN; }
922 | tSTATIC { $$ = STG_STATIC; }
923 | tREGISTER { $$ = STG_REGISTER; }
924 ;
925
926 function_specifier:
927 tINLINE { $$ = make_attr(ATTR_INLINE); }
928 ;
929
930 type_qualifier:
931 tCONST { $$ = make_attr(ATTR_CONST); }
932 ;
933
934 m_type_qual_list: { $$ = NULL; }
935 | m_type_qual_list type_qualifier { $$ = append_attr($1, $2); }
936 ;
937
938 decl_spec: type m_decl_spec_no_type { $$ = make_decl_spec($1, $2, NULL, NULL, STG_NONE); }
939 | decl_spec_no_type type m_decl_spec_no_type
940 { $$ = make_decl_spec($2, $1, $3, NULL, STG_NONE); }
941 ;
942
943 m_decl_spec_no_type: { $$ = NULL; }
944 | decl_spec_no_type
945 ;
946
947 decl_spec_no_type:
948 type_qualifier m_decl_spec_no_type { $$ = make_decl_spec(NULL, $2, NULL, $1, STG_NONE); }
949 | function_specifier m_decl_spec_no_type { $$ = make_decl_spec(NULL, $2, NULL, $1, STG_NONE); }
950 | storage_cls_spec m_decl_spec_no_type { $$ = make_decl_spec(NULL, $2, NULL, NULL, $1); }
951 ;
952
953 declarator:
954 '*' m_type_qual_list declarator %prec PPTR
955 { $$ = $3; $$->type = append_ptrchain_type($$->type, type_new_pointer(pointer_default, NULL, $2)); }
956 | callconv declarator { $$ = $2; if ($$->func_type) $$->func_type->attrs = append_attr($$->func_type->attrs, make_attrp(ATTR_CALLCONV, $1));
957 else if ($$->type) $$->type->attrs = append_attr($$->type->attrs, make_attrp(ATTR_CALLCONV, $1)); }
958 | direct_declarator
959 ;
960
961 direct_declarator:
962 ident { $$ = make_declarator($1); }
963 | '(' declarator ')' { $$ = $2; }
964 | direct_declarator array { $$ = $1; $$->array = append_array($$->array, $2); }
965 | direct_declarator '(' m_args ')' { $$ = $1;
966 $$->func_type = append_ptrchain_type($$->type, type_new_function($3));
967 $$->type = NULL;
968 }
969 ;
970
971 /* abstract declarator */
972 abstract_declarator:
973 '*' m_type_qual_list m_abstract_declarator %prec PPTR
974 { $$ = $3; $$->type = append_ptrchain_type($$->type, type_new_pointer(pointer_default, NULL, $2)); }
975 | callconv m_abstract_declarator { $$ = $2; if ($$->func_type) $$->func_type->attrs = append_attr($$->func_type->attrs, make_attrp(ATTR_CALLCONV, $1));
976 else if ($$->type) $$->type->attrs = append_attr($$->type->attrs, make_attrp(ATTR_CALLCONV, $1)); }
977 | abstract_direct_declarator
978 ;
979
980 /* abstract declarator without accepting direct declarator */
981 abstract_declarator_no_direct:
982 '*' m_type_qual_list m_any_declarator %prec PPTR
983 { $$ = $3; $$->type = append_ptrchain_type($$->type, type_new_pointer(pointer_default, NULL, $2)); }
984 | callconv m_any_declarator { $$ = $2; if ($$->func_type) $$->func_type->attrs = append_attr($$->func_type->attrs, make_attrp(ATTR_CALLCONV, $1));
985 else if ($$->type) $$->type->attrs = append_attr($$->type->attrs, make_attrp(ATTR_CALLCONV, $1)); }
986 ;
987
988 /* abstract declarator or empty */
989 m_abstract_declarator: { $$ = make_declarator(NULL); }
990 | abstract_declarator
991 ;
992
993 /* abstract direct declarator */
994 abstract_direct_declarator:
995 '(' abstract_declarator_no_direct ')' { $$ = $2; }
996 | abstract_direct_declarator array { $$ = $1; $$->array = append_array($$->array, $2); }
997 | array { $$ = make_declarator(NULL); $$->array = append_array($$->array, $1); }
998 | '(' m_args ')'
999 { $$ = make_declarator(NULL);
1000 $$->func_type = append_ptrchain_type($$->type, type_new_function($2));
1001 $$->type = NULL;
1002 }
1003 | abstract_direct_declarator '(' m_args ')'
1004 { $$ = $1;
1005 $$->func_type = append_ptrchain_type($$->type, type_new_function($3));
1006 $$->type = NULL;
1007 }
1008 ;
1009
1010 /* abstract or non-abstract declarator */
1011 any_declarator:
1012 '*' m_type_qual_list m_any_declarator %prec PPTR
1013 { $$ = $3; $$->type = append_ptrchain_type($$->type, type_new_pointer(pointer_default, NULL, $2)); }
1014 | callconv m_any_declarator { $$ = $2; $$->type->attrs = append_attr($$->type->attrs, make_attrp(ATTR_CALLCONV, $1)); }
1015 | any_direct_declarator
1016 ;
1017
1018 /* abstract or non-abstract declarator without accepting direct declarator */
1019 any_declarator_no_direct:
1020 '*' m_type_qual_list m_any_declarator %prec PPTR
1021 { $$ = $3; $$->type = append_ptrchain_type($$->type, type_new_pointer(pointer_default, NULL, $2)); }
1022 | callconv m_any_declarator { $$ = $2; $$->type->attrs = append_attr($$->type->attrs, make_attrp(ATTR_CALLCONV, $1)); }
1023 ;
1024
1025 /* abstract or non-abstract declarator or empty */
1026 m_any_declarator: { $$ = make_declarator(NULL); }
1027 | any_declarator
1028 ;
1029
1030 /* abstract or non-abstract direct declarator. note: direct declarators
1031 * aren't accepted inside brackets to avoid ambiguity with the rule for
1032 * function arguments */
1033 any_direct_declarator:
1034 ident { $$ = make_declarator($1); }
1035 | '(' any_declarator_no_direct ')' { $$ = $2; }
1036 | any_direct_declarator array { $$ = $1; $$->array = append_array($$->array, $2); }
1037 | array { $$ = make_declarator(NULL); $$->array = append_array($$->array, $1); }
1038 | '(' m_args ')'
1039 { $$ = make_declarator(NULL);
1040 $$->func_type = append_ptrchain_type($$->type, type_new_function($2));
1041 $$->type = NULL;
1042 }
1043 | any_direct_declarator '(' m_args ')'
1044 { $$ = $1;
1045 $$->func_type = append_ptrchain_type($$->type, type_new_function($3));
1046 $$->type = NULL;
1047 }
1048 ;
1049
1050 declarator_list:
1051 declarator { $$ = append_declarator( NULL, $1 ); }
1052 | declarator_list ',' declarator { $$ = append_declarator( $1, $3 ); }
1053 ;
1054
1055 m_bitfield: { $$ = NULL; }
1056 | ':' expr_const { $$ = $2; }
1057 ;
1058
1059 struct_declarator: any_declarator m_bitfield { $$ = $1; $$->bits = $2;
1060 if (!$$->bits && !$$->var->name)
1061 error_loc("unnamed fields are not allowed\n");
1062 }
1063 ;
1064
1065 struct_declarator_list:
1066 struct_declarator { $$ = append_declarator( NULL, $1 ); }
1067 | struct_declarator_list ',' struct_declarator
1068 { $$ = append_declarator( $1, $3 ); }
1069 ;
1070
1071 init_declarator:
1072 declarator { $$ = $1; }
1073 | declarator '=' expr_const { $$ = $1; $1->var->eval = $3; }
1074 ;
1075
1076 threading_type:
1077 tAPARTMENT { $$ = THREADING_APARTMENT; }
1078 | tNEUTRAL { $$ = THREADING_NEUTRAL; }
1079 | tSINGLE { $$ = THREADING_SINGLE; }
1080 | tFREE { $$ = THREADING_FREE; }
1081 | tBOTH { $$ = THREADING_BOTH; }
1082 ;
1083
1084 pointer_type:
1085 tREF { $$ = RPC_FC_RP; }
1086 | tUNIQUE { $$ = RPC_FC_UP; }
1087 | tPTR { $$ = RPC_FC_FP; }
1088 ;
1089
1090 structdef: tSTRUCT t_ident '{' fields '}' { $$ = type_new_struct($2, TRUE, $4); }
1091 ;
1092
1093 type: tVOID { $$ = type_new_void(); }
1094 | aKNOWNTYPE { $$ = find_type_or_error($1, 0); }
1095 | base_type { $$ = $1; }
1096 | enumdef { $$ = $1; }
1097 | tENUM aIDENTIFIER { $$ = type_new_enum($2, FALSE, NULL); }
1098 | structdef { $$ = $1; }
1099 | tSTRUCT aIDENTIFIER { $$ = type_new_struct($2, FALSE, NULL); }
1100 | uniondef { $$ = $1; }
1101 | tUNION aIDENTIFIER { $$ = type_new_nonencapsulated_union($2, FALSE, NULL); }
1102 | tSAFEARRAY '(' type ')' { $$ = make_safearray($3); }
1103 ;
1104
1105 typedef: tTYPEDEF m_attributes decl_spec declarator_list
1106 { reg_typedefs($3, $4, check_typedef_attrs($2));
1107 $$ = make_statement_typedef($4);
1108 }
1109 ;
1110
1111 uniondef: tUNION t_ident '{' ne_union_fields '}'
1112 { $$ = type_new_nonencapsulated_union($2, TRUE, $4); }
1113 | tUNION t_ident
1114 tSWITCH '(' s_field ')'
1115 m_ident '{' cases '}' { $$ = type_new_encapsulated_union($2, $5, $7, $9); }
1116 ;
1117
1118 version:
1119 aNUM { $$ = MAKEVERSION($1, 0); }
1120 | aNUM '.' aNUM { $$ = MAKEVERSION($1, $3); }
1121 ;
1122
1123 %%
1124
1125 static void decl_builtin_basic(const char *name, enum type_basic_type type)
1126 {
1127 type_t *t = type_new_basic(type);
1128 reg_type(t, name, 0);
1129 }
1130
1131 static void decl_builtin_alias(const char *name, type_t *t)
1132 {
1133 reg_type(type_new_alias(t, name), name, 0);
1134 }
1135
1136 void init_types(void)
1137 {
1138 decl_builtin_basic("byte", TYPE_BASIC_BYTE);
1139 decl_builtin_basic("wchar_t", TYPE_BASIC_WCHAR);
1140 decl_builtin_basic("float", TYPE_BASIC_FLOAT);
1141 decl_builtin_basic("double", TYPE_BASIC_DOUBLE);
1142 decl_builtin_basic("error_status_t", TYPE_BASIC_ERROR_STATUS_T);
1143 decl_builtin_basic("handle_t", TYPE_BASIC_HANDLE);
1144 decl_builtin_alias("boolean", type_new_basic(TYPE_BASIC_BYTE));
1145 }
1146
1147 static str_list_t *append_str(str_list_t *list, char *str)
1148 {
1149 struct str_list_entry_t *entry;
1150
1151 if (!str) return list;
1152 if (!list)
1153 {
1154 list = xmalloc( sizeof(*list) );
1155 list_init( list );
1156 }
1157 entry = xmalloc( sizeof(*entry) );
1158 entry->str = str;
1159 list_add_tail( list, &entry->entry );
1160 return list;
1161 }
1162
1163 static attr_list_t *append_attr(attr_list_t *list, attr_t *attr)
1164 {
1165 attr_t *attr_existing;
1166 if (!attr) return list;
1167 if (!list)
1168 {
1169 list = xmalloc( sizeof(*list) );
1170 list_init( list );
1171 }
1172 LIST_FOR_EACH_ENTRY(attr_existing, list, attr_t, entry)
1173 if (attr_existing->type == attr->type)
1174 {
1175 parser_warning("duplicate attribute %s\n", get_attr_display_name(attr->type));
1176 /* use the last attribute, like MIDL does */
1177 list_remove(&attr_existing->entry);
1178 break;
1179 }
1180 list_add_tail( list, &attr->entry );
1181 return list;
1182 }
1183
1184 static attr_list_t *move_attr(attr_list_t *dst, attr_list_t *src, enum attr_type type)
1185 {
1186 attr_t *attr;
1187 if (!src) return dst;
1188 LIST_FOR_EACH_ENTRY(attr, src, attr_t, entry)
1189 if (attr->type == type)
1190 {
1191 list_remove(&attr->entry);
1192 return append_attr(dst, attr);
1193 }
1194 return dst;
1195 }
1196
1197 static attr_list_t *append_attr_list(attr_list_t *new_list, attr_list_t *old_list)
1198 {
1199 struct list *entry;
1200
1201 if (!old_list) return new_list;
1202
1203 while ((entry = list_head(old_list)))
1204 {
1205 attr_t *attr = LIST_ENTRY(entry, attr_t, entry);
1206 list_remove(entry);
1207 new_list = append_attr(new_list, attr);
1208 }
1209 return new_list;
1210 }
1211
1212 static attr_list_t *dupattrs(const attr_list_t *list)
1213 {
1214 attr_list_t *new_list;
1215 const attr_t *attr;
1216
1217 if (!list) return NULL;
1218
1219 new_list = xmalloc( sizeof(*list) );
1220 list_init( new_list );
1221 LIST_FOR_EACH_ENTRY(attr, list, const attr_t, entry)
1222 {
1223 attr_t *new_attr = xmalloc(sizeof(*new_attr));
1224 *new_attr = *attr;
1225 list_add_tail(new_list, &new_attr->entry);
1226 }
1227 return new_list;
1228 }
1229
1230 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)
1231 {
1232 decl_spec_t *declspec = left ? left : right;
1233 if (!declspec)
1234 {
1235 declspec = xmalloc(sizeof(*declspec));
1236 declspec->type = NULL;
1237 declspec->attrs = NULL;
1238 declspec->stgclass = STG_NONE;
1239 }
1240 declspec->type = type;
1241 if (left && declspec != left)
1242 {
1243 declspec->attrs = append_attr_list(declspec->attrs, left->attrs);
1244 if (declspec->stgclass == STG_NONE)
1245 declspec->stgclass = left->stgclass;
1246 else if (left->stgclass != STG_NONE)
1247 error_loc("only one storage class can be specified\n");
1248 assert(!left->type);
1249 free(left);
1250 }
1251 if (right && declspec != right)
1252 {
1253 declspec->attrs = append_attr_list(declspec->attrs, right->attrs);
1254 if (declspec->stgclass == STG_NONE)
1255 declspec->stgclass = right->stgclass;
1256 else if (right->stgclass != STG_NONE)
1257 error_loc("only one storage class can be specified\n");
1258 assert(!right->type);
1259 free(right);
1260 }
1261
1262 declspec->attrs = append_attr(declspec->attrs, attr);
1263 if (declspec->stgclass == STG_NONE)
1264 declspec->stgclass = stgclass;
1265 else if (stgclass != STG_NONE)
1266 error_loc("only one storage class can be specified\n");
1267
1268 /* apply attributes to type */
1269 if (type && declspec->attrs)
1270 {
1271 attr_list_t *attrs;
1272 declspec->type = duptype(type, 1);
1273 attrs = dupattrs(type->attrs);
1274 declspec->type->attrs = append_attr_list(attrs, declspec->attrs);
1275 declspec->attrs = NULL;
1276 }
1277
1278 return declspec;
1279 }
1280
1281 static attr_t *make_attr(enum attr_type type)
1282 {
1283 attr_t *a = xmalloc(sizeof(attr_t));
1284 a->type = type;
1285 a->u.ival = 0;
1286 return a;
1287 }
1288
1289 static attr_t *make_attrv(enum attr_type type, unsigned int val)
1290 {
1291 attr_t *a = xmalloc(sizeof(attr_t));
1292 a->type = type;
1293 a->u.ival = val;
1294 return a;
1295 }
1296
1297 static attr_t *make_attrp(enum attr_type type, void *val)
1298 {
1299 attr_t *a = xmalloc(sizeof(attr_t));
1300 a->type = type;
1301 a->u.pval = val;
1302 return a;
1303 }
1304
1305 static expr_list_t *append_expr(expr_list_t *list, expr_t *expr)
1306 {
1307 if (!expr) return list;
1308 if (!list)
1309 {
1310 list = xmalloc( sizeof(*list) );
1311 list_init( list );
1312 }
1313 list_add_tail( list, &expr->entry );
1314 return list;
1315 }
1316
1317 static array_dims_t *append_array(array_dims_t *list, expr_t *expr)
1318 {
1319 if (!expr) return list;
1320 if (!list)
1321 {
1322 list = xmalloc( sizeof(*list) );
1323 list_init( list );
1324 }
1325 list_add_tail( list, &expr->entry );
1326 return list;
1327 }
1328
1329 static struct list type_pool = LIST_INIT(type_pool);
1330 typedef struct
1331 {
1332 type_t data;
1333 struct list link;
1334 } type_pool_node_t;
1335
1336 type_t *alloc_type(void)
1337 {
1338 type_pool_node_t *node = xmalloc(sizeof *node);
1339 list_add_tail(&type_pool, &node->link);
1340 return &node->data;
1341 }
1342
1343 void set_all_tfswrite(int val)
1344 {
1345 type_pool_node_t *node;
1346 LIST_FOR_EACH_ENTRY(node, &type_pool, type_pool_node_t, link)
1347 node->data.tfswrite = val;
1348 }
1349
1350 void clear_all_offsets(void)
1351 {
1352 type_pool_node_t *node;
1353 LIST_FOR_EACH_ENTRY(node, &type_pool, type_pool_node_t, link)
1354 node->data.typestring_offset = node->data.ptrdesc = 0;
1355 }
1356
1357 static void type_function_add_head_arg(type_t *type, var_t *arg)
1358 {
1359 if (!type->details.function->args)
1360 {
1361 type->details.function->args = xmalloc( sizeof(*type->details.function->args) );
1362 list_init( type->details.function->args );
1363 }
1364 list_add_head( type->details.function->args, &arg->entry );
1365 }
1366
1367 static int is_allowed_range_type(const type_t *type)
1368 {
1369 switch (type_get_type(type))
1370 {
1371 case TYPE_ENUM:
1372 return TRUE;
1373 case TYPE_BASIC:
1374 switch (type_basic_get_type(type))
1375 {
1376 case TYPE_BASIC_INT8:
1377 case TYPE_BASIC_INT16:
1378 case TYPE_BASIC_INT32:
1379 case TYPE_BASIC_INT64:
1380 case TYPE_BASIC_INT:
1381 case TYPE_BASIC_INT3264:
1382 case TYPE_BASIC_BYTE:
1383 case TYPE_BASIC_CHAR:
1384 case TYPE_BASIC_WCHAR:
1385 case TYPE_BASIC_HYPER:
1386 return TRUE;
1387 case TYPE_BASIC_FLOAT:
1388 case TYPE_BASIC_DOUBLE:
1389 case TYPE_BASIC_ERROR_STATUS_T:
1390 case TYPE_BASIC_HANDLE:
1391 return FALSE;
1392 }
1393 return FALSE;
1394 default:
1395 return FALSE;
1396 }
1397 }
1398
1399 static type_t *append_ptrchain_type(type_t *ptrchain, type_t *type)
1400 {
1401 type_t *ptrchain_type;
1402 if (!ptrchain)
1403 return type;
1404 for (ptrchain_type = ptrchain; type_pointer_get_ref(ptrchain_type); ptrchain_type = type_pointer_get_ref(ptrchain_type))
1405 ;
1406 assert(ptrchain_type->type_type == TYPE_POINTER);
1407 ptrchain_type->details.pointer.ref = type;
1408 return ptrchain;
1409 }
1410
1411 static var_t *declare_var(attr_list_t *attrs, decl_spec_t *decl_spec, const declarator_t *decl,
1412 int top)
1413 {
1414 var_t *v = decl->var;
1415 expr_list_t *sizes = get_attrp(attrs, ATTR_SIZEIS);
1416 expr_list_t *lengs = get_attrp(attrs, ATTR_LENGTHIS);
1417 int sizeless;
1418 expr_t *dim;
1419 type_t **ptype;
1420 array_dims_t *arr = decl ? decl->array : NULL;
1421 type_t *func_type = decl ? decl->func_type : NULL;
1422 type_t *type = decl_spec->type;
1423
1424 if (is_attr(type->attrs, ATTR_INLINE))
1425 {
1426 if (!func_type)
1427 error_loc("inline attribute applied to non-function type\n");
1428 else
1429 {
1430 type_t *t;
1431 /* move inline attribute from return type node to function node */
1432 for (t = func_type; is_ptr(t); t = type_pointer_get_ref(t))
1433 ;
1434 t->attrs = move_attr(t->attrs, type->attrs, ATTR_INLINE);
1435 }
1436 }
1437
1438 /* add type onto the end of the pointers in pident->type */
1439 v->type = append_ptrchain_type(decl ? decl->type : NULL, type);
1440 v->stgclass = decl_spec->stgclass;
1441 v->attrs = attrs;
1442
1443 /* check for pointer attribute being applied to non-pointer, non-array
1444 * type */
1445 if (!arr)
1446 {
1447 int ptr_attr = get_attrv(v->attrs, ATTR_POINTERTYPE);
1448 const type_t *ptr = NULL;
1449 /* pointer attributes on the left side of the type belong to the function
1450 * pointer, if one is being declared */
1451 type_t **pt = func_type ? &func_type : &v->type;
1452 for (ptr = *pt; ptr && !ptr_attr; )
1453 {
1454 ptr_attr = get_attrv(ptr->attrs, ATTR_POINTERTYPE);
1455 if (!ptr_attr && type_is_alias(ptr))
1456 ptr = type_alias_get_aliasee(ptr);
1457 else
1458 break;
1459 }
1460 if (is_ptr(ptr))
1461 {
1462 if (ptr_attr && ptr_attr != RPC_FC_UP &&
1463 type_get_type(type_pointer_get_ref(ptr)) == TYPE_INTERFACE)
1464 warning_loc_info(&v->loc_info,
1465 "%s: pointer attribute applied to interface "
1466 "pointer type has no effect\n", v->name);
1467 if (!ptr_attr && top && (*pt)->details.pointer.def_fc != RPC_FC_RP)
1468 {
1469 /* FIXME: this is a horrible hack to cope with the issue that we
1470 * store an offset to the typeformat string in the type object, but
1471 * two typeformat strings may be written depending on whether the
1472 * pointer is a toplevel parameter or not */
1473 *pt = duptype(*pt, 1);
1474 }
1475 }
1476 else if (ptr_attr)
1477 error_loc("%s: pointer attribute applied to non-pointer type\n", v->name);
1478 }
1479
1480 if (is_attr(v->attrs, ATTR_STRING))
1481 {
1482 type_t *t = type;
1483
1484 if (!is_ptr(v->type) && !arr)
1485 error_loc("'%s': [string] attribute applied to non-pointer, non-array type\n",
1486 v->name);
1487
1488 while (is_ptr(t))
1489 t = type_pointer_get_ref(t);
1490
1491 if (type_get_type(t) != TYPE_BASIC &&
1492 (get_basic_fc(t) != RPC_FC_CHAR &&
1493 get_basic_fc(t) != RPC_FC_BYTE &&
1494 get_basic_fc(t) != RPC_FC_WCHAR))
1495 {
1496 error_loc("'%s': [string] attribute is only valid on 'char', 'byte', or 'wchar_t' pointers and arrays\n",
1497 v->name);
1498 }
1499 }
1500
1501 if (is_attr(v->attrs, ATTR_V1ENUM))
1502 {
1503 if (type_get_type_detect_alias(v->type) != TYPE_ENUM)
1504 error_loc("'%s': [v1_enum] attribute applied to non-enum type\n", v->name);
1505 }
1506
1507 if (is_attr(v->attrs, ATTR_RANGE) && !is_allowed_range_type(v->type))
1508 error_loc("'%s': [range] attribute applied to non-integer type\n",
1509 v->name);
1510
1511 ptype = &v->type;
1512 sizeless = FALSE;
1513 if (arr) LIST_FOR_EACH_ENTRY_REV(dim, arr, expr_t, entry)
1514 {
1515 if (sizeless)
1516 error_loc("%s: only the first array dimension can be unspecified\n", v->name);
1517
1518 if (dim->is_const)
1519 {
1520 if (dim->cval <= 0)
1521 error_loc("%s: array dimension must be positive\n", v->name);
1522
1523 /* FIXME: should use a type_memsize that allows us to pass in a pointer size */
1524 if (0)
1525 {
1526 unsigned int size = type_memsize(v->type);
1527
1528 if (0xffffffffu / size < dim->cval)
1529 error_loc("%s: total array size is too large\n", v->name);
1530 }
1531 }
1532 else
1533 sizeless = TRUE;
1534
1535 *ptype = type_new_array(NULL, *ptype, FALSE,
1536 dim->is_const ? dim->cval : 0,
1537 dim->is_const ? NULL : dim, NULL,
1538 pointer_default);
1539 }
1540
1541 ptype = &v->type;
1542 if (sizes) LIST_FOR_EACH_ENTRY(dim, sizes, expr_t, entry)
1543 {
1544 if (dim->type != EXPR_VOID)
1545 {
1546 if (is_array(*ptype))
1547 {
1548 if (!type_array_get_conformance(*ptype) ||
1549 type_array_get_conformance(*ptype)->type != EXPR_VOID)
1550 error_loc("%s: cannot specify size_is for an already sized array\n", v->name);
1551 else
1552 *ptype = type_new_array((*ptype)->name,
1553 type_array_get_element(*ptype), FALSE,
1554 0, dim, NULL, 0);
1555 }
1556 else if (is_ptr(*ptype))
1557 *ptype = type_new_array((*ptype)->name, type_pointer_get_ref(*ptype), TRUE,
1558 0, dim, NULL, pointer_default);
1559 else
1560 error_loc("%s: size_is attribute applied to illegal type\n", v->name);
1561 }
1562
1563 if (is_ptr(*ptype))
1564 ptype = &(*ptype)->details.pointer.ref;
1565 else if (is_array(*ptype))
1566 ptype = &(*ptype)->details.array.elem;
1567 else
1568 error_loc("%s: too many expressions in size_is attribute\n", v->name);
1569 }
1570
1571 ptype = &v->type;
1572 if (lengs) LIST_FOR_EACH_ENTRY(dim, lengs, expr_t, entry)
1573 {
1574 if (dim->type != EXPR_VOID)
1575 {
1576 if (is_array(*ptype))
1577 {
1578 *ptype = type_new_array((*ptype)->name,
1579 type_array_get_element(*ptype),
1580 type_array_is_decl_as_ptr(*ptype),
1581 type_array_get_dim(*ptype),
1582 type_array_get_conformance(*ptype),
1583 dim, type_array_get_ptr_default_fc(*ptype));
1584 }
1585 else
1586 error_loc("%s: length_is attribute applied to illegal type\n", v->name);
1587 }
1588
1589 if (is_ptr(*ptype))
1590 ptype = &(*ptype)->details.pointer.ref;
1591 else if (is_array(*ptype))
1592 ptype = &(*ptype)->details.array.elem;
1593 else
1594 error_loc("%s: too many expressions in length_is attribute\n", v->name);
1595 }
1596
1597 /* v->type is currently pointing to the type on the left-side of the
1598 * declaration, so we need to fix this up so that it is the return type of the
1599 * function and make v->type point to the function side of the declaration */
1600 if (func_type)
1601 {
1602 type_t *ft, *t;
1603 type_t *return_type = v->type;
1604 v->type = func_type;
1605 for (ft = v->type; is_ptr(ft); ft = type_pointer_get_ref(ft))
1606 ;
1607 assert(type_get_type_detect_alias(ft) == TYPE_FUNCTION);
1608 ft->details.function->rettype = return_type;
1609 /* move calling convention attribute, if present, from pointer nodes to
1610 * function node */
1611 for (t = v->type; is_ptr(t); t = type_pointer_get_ref(t))
1612 ft->attrs = move_attr(ft->attrs, t->attrs, ATTR_CALLCONV);
1613 }
1614 else
1615 {
1616 type_t *t;
1617 for (t = v->type; is_ptr(t); t = type_pointer_get_ref(t))
1618 if (is_attr(t->attrs, ATTR_CALLCONV))
1619 error_loc("calling convention applied to non-function-pointer type\n");
1620 }
1621
1622 if (decl->bits)
1623 v->type = type_new_bitfield(v->type, decl->bits);
1624
1625 return v;
1626 }
1627
1628 static var_list_t *set_var_types(attr_list_t *attrs, decl_spec_t *decl_spec, declarator_list_t *decls)
1629 {
1630 declarator_t *decl, *next;
1631 var_list_t *var_list = NULL;
1632
1633 LIST_FOR_EACH_ENTRY_SAFE( decl, next, decls, declarator_t, entry )
1634 {
1635 var_t *var = declare_var(attrs, decl_spec, decl, 0);
1636 var_list = append_var(var_list, var);
1637 free(decl);
1638 }
1639 free(decl_spec);
1640 return var_list;
1641 }
1642
1643 static ifref_list_t *append_ifref(ifref_list_t *list, ifref_t *iface)
1644 {
1645 if (!iface) return list;
1646 if (!list)
1647 {
1648 list = xmalloc( sizeof(*list) );
1649 list_init( list );
1650 }
1651 list_add_tail( list, &iface->entry );
1652 return list;
1653 }
1654
1655 static ifref_t *make_ifref(type_t *iface)
1656 {
1657 ifref_t *l = xmalloc(sizeof(ifref_t));
1658 l->iface = iface;
1659 l->attrs = NULL;
1660 return l;
1661 }
1662
1663 var_list_t *append_var(var_list_t *list, var_t *var)
1664 {
1665 if (!var) return list;
1666 if (!list)
1667 {
1668 list = xmalloc( sizeof(*list) );
1669 list_init( list );
1670 }
1671 list_add_tail( list, &var->entry );
1672 return list;
1673 }
1674
1675 static var_list_t *append_var_list(var_list_t *list, var_list_t *vars)
1676 {
1677 if (!vars) return list;
1678 if (!list)
1679 {
1680 list = xmalloc( sizeof(*list) );
1681 list_init( list );
1682 }
1683 list_move_tail( list, vars );
1684 return list;
1685 }
1686
1687 var_t *make_var(char *name)
1688 {
1689 var_t *v = xmalloc(sizeof(var_t));
1690 v->name = name;
1691 v->type = NULL;
1692 v->attrs = NULL;
1693 v->eval = NULL;
1694 v->stgclass = STG_NONE;
1695 init_loc_info(&v->loc_info);
1696 return v;
1697 }
1698
1699 static declarator_list_t *append_declarator(declarator_list_t *list, declarator_t *d)
1700 {
1701 if (!d) return list;
1702 if (!list) {
1703 list = xmalloc(sizeof(*list));
1704 list_init(list);
1705 }
1706 list_add_tail(list, &d->entry);
1707 return list;
1708 }
1709
1710 static declarator_t *make_declarator(var_t *var)
1711 {
1712 declarator_t *d = xmalloc(sizeof(*d));
1713 d->var = var ? var : make_var(NULL);
1714 d->type = NULL;
1715 d->func_type = NULL;
1716 d->array = NULL;
1717 d->bits = NULL;
1718 return d;
1719 }
1720
1721 static type_t *make_safearray(type_t *type)
1722 {
1723 return type_new_array(NULL, type_new_alias(type, "SAFEARRAY"), TRUE, 0,
1724 NULL, NULL, RPC_FC_RP);
1725 }
1726
1727 static typelib_t *make_library(const char *name, const attr_list_t *attrs)
1728 {
1729 typelib_t *typelib = xmalloc(sizeof(*typelib));
1730 typelib->name = xstrdup(name);
1731 typelib->filename = NULL;
1732 typelib->attrs = attrs;
1733 list_init( &typelib->importlibs );
1734 return typelib;
1735 }
1736
1737 #define HASHMAX 64
1738
1739 static int hash_ident(const char *name)
1740 {
1741 const char *p = name;
1742 int sum = 0;
1743 /* a simple sum hash is probably good enough */
1744 while (*p) {
1745 sum += *p;
1746 p++;
1747 }
1748 return sum & (HASHMAX-1);
1749 }
1750
1751 /***** type repository *****/
1752
1753 struct rtype {
1754 const char *name;
1755 type_t *type;
1756 int t;
1757 struct rtype *next;
1758 };
1759
1760 struct rtype *type_hash[HASHMAX];
1761
1762 type_t *reg_type(type_t *type, const char *name, int t)
1763 {
1764 struct rtype *nt;
1765 int hash;
1766 if (!name) {
1767 error_loc("registering named type without name\n");
1768 return type;
1769 }
1770 hash = hash_ident(name);
1771 nt = xmalloc(sizeof(struct rtype));
1772 nt->name = name;
1773 nt->type = type;
1774 nt->t = t;
1775 nt->next = type_hash[hash];
1776 type_hash[hash] = nt;
1777 if ((t == tsSTRUCT || t == tsUNION))
1778 fix_incomplete_types(type);
1779 return type;
1780 }
1781
1782 static int is_incomplete(const type_t *t)
1783 {
1784 return !t->defined &&
1785 (type_get_type_detect_alias(t) == TYPE_STRUCT ||
1786 type_get_type_detect_alias(t) == TYPE_UNION ||
1787 type_get_type_detect_alias(t) == TYPE_ENCAPSULATED_UNION);
1788 }
1789
1790 void add_incomplete(type_t *t)
1791 {
1792 struct typenode *tn = xmalloc(sizeof *tn);
1793 tn->type = t;
1794 list_add_tail(&incomplete_types, &tn->entry);
1795 }
1796
1797 static void fix_type(type_t *t)
1798 {
1799 if (type_is_alias(t) && is_incomplete(t)) {
1800 type_t *ot = type_alias_get_aliasee(t);
1801 fix_type(ot);
1802 if (type_get_type_detect_alias(ot) == TYPE_STRUCT ||
1803 type_get_type_detect_alias(ot) == TYPE_UNION ||
1804 type_get_type_detect_alias(ot) == TYPE_ENCAPSULATED_UNION)
1805 t->details.structure = ot->details.structure;
1806 t->defined = ot->defined;
1807 }
1808 }
1809
1810 static void fix_incomplete(void)
1811 {
1812 struct typenode *tn, *next;
1813
1814 LIST_FOR_EACH_ENTRY_SAFE(tn, next, &incomplete_types, struct typenode, entry) {
1815 fix_type(tn->type);
1816 list_remove(&tn->entry);
1817 free(tn);
1818 }
1819 }
1820
1821 static void fix_incomplete_types(type_t *complete_type)
1822 {
1823 struct typenode *tn, *next;
1824
1825 LIST_FOR_EACH_ENTRY_SAFE(tn, next, &incomplete_types, struct typenode, entry)
1826 {
1827 if (type_is_equal(complete_type, tn->type))
1828 {
1829 tn->type->details.structure = complete_type->details.structure;
1830 list_remove(&tn->entry);
1831 free(tn);
1832 }
1833 }
1834 }
1835
1836 static type_t *reg_typedefs(decl_spec_t *decl_spec, declarator_list_t *decls, attr_list_t *attrs)
1837 {
1838 const declarator_t *decl;
1839 type_t *type = decl_spec->type;
1840
1841 /* We must generate names for tagless enum, struct or union.
1842 Typedef-ing a tagless enum, struct or union means we want the typedef
1843 to be included in a library hence the public attribute. */
1844 if ((type_get_type_detect_alias(type) == TYPE_ENUM ||
1845 type_get_type_detect_alias(type) == TYPE_STRUCT ||
1846 type_get_type_detect_alias(type) == TYPE_UNION ||
1847 type_get_type_detect_alias(type) == TYPE_ENCAPSULATED_UNION) &&
1848 !type->name && !parse_only)
1849 {
1850 if (! is_attr(attrs, ATTR_PUBLIC))
1851 attrs = append_attr( attrs, make_attr(ATTR_PUBLIC) );
1852 type->name = gen_name();
1853 }
1854 else if (is_attr(attrs, ATTR_UUID) && !is_attr(attrs, ATTR_PUBLIC))
1855 attrs = append_attr( attrs, make_attr(ATTR_PUBLIC) );
1856
1857 /* Append the SWITCHTYPE attribute to a non-encapsulated union if it does not already have it. */
1858 if (type_get_type_detect_alias(type) == TYPE_UNION &&
1859 is_attr(attrs, ATTR_SWITCHTYPE) &&
1860 !is_attr(type->attrs, ATTR_SWITCHTYPE))
1861 type->attrs = append_attr(type->attrs, make_attrp(ATTR_SWITCHTYPE, get_attrp(attrs, ATTR_SWITCHTYPE)));
1862
1863 LIST_FOR_EACH_ENTRY( decl, decls, const declarator_t, entry )
1864 {
1865
1866 if (decl->var->name) {
1867 type_t *cur;
1868 var_t *name;
1869
1870 cur = find_type(decl->var->name, 0);
1871 if (cur)
1872 error_loc("%s: redefinition error; original definition was at %s:%d\n",
1873 cur->name, cur->loc_info.input_name,
1874 cur->loc_info.line_number);
1875
1876 name = declare_var(attrs, decl_spec, decl, 0);
1877 cur = type_new_alias(name->type, name->name);
1878 cur->attrs = attrs;
1879
1880 if (is_incomplete(cur))
1881 add_incomplete(cur);
1882 reg_type(cur, cur->name, 0);
1883 }
1884 }
1885 return type;
1886 }
1887
1888 type_t *find_type(const char *name, int t)
1889 {
1890 struct rtype *cur = type_hash[hash_ident(name)];
1891 while (cur && (cur->t != t || strcmp(cur->name, name)))
1892 cur = cur->next;
1893 return cur ? cur->type : NULL;
1894 }
1895
1896 static type_t *find_type_or_error(const char *name, int t)
1897 {
1898 type_t *type = find_type(name, t);
1899 if (!type) {
1900 error_loc("type '%s' not found\n", name);
1901 return NULL;
1902 }
1903 return type;
1904 }
1905
1906 static type_t *find_type_or_error2(char *name, int t)
1907 {
1908 type_t *tp = find_type_or_error(name, t);
1909 free(name);
1910 return tp;
1911 }
1912
1913 int is_type(const char *name)
1914 {
1915 return find_type(name, 0) != NULL;
1916 }
1917
1918 type_t *get_type(enum type_type type, char *name, int t)
1919 {
1920 type_t *tp;
1921 if (name) {
1922 tp = find_type(name, t);
1923 if (tp) {
1924 free(name);
1925 return tp;
1926 }
1927 }
1928 tp = make_type(type);
1929 tp->name = name;
1930 if (!name) return tp;
1931 return reg_type(tp, name, t);
1932 }
1933
1934 /***** constant repository *****/
1935
1936 struct rconst {
1937 char *name;
1938 var_t *var;
1939 struct rconst *next;
1940 };
1941
1942 struct rconst *const_hash[HASHMAX];
1943
1944 static var_t *reg_const(var_t *var)
1945 {
1946 struct rconst *nc;
1947 int hash;
1948 if (!var->name) {
1949 error_loc("registering constant without name\n");
1950 return var;
1951 }
1952 hash = hash_ident(var->name);
1953 nc = xmalloc(sizeof(struct rconst));
1954 nc->name = var->name;
1955 nc->var = var;
1956 nc->next = const_hash[hash];
1957 const_hash[hash] = nc;
1958 return var;
1959 }
1960
1961 var_t *find_const(const char *name, int f)
1962 {
1963 struct rconst *cur = const_hash[hash_ident(name)];
1964 while (cur && strcmp(cur->name, name))
1965 cur = cur->next;
1966 if (!cur) {
1967 if (f) error_loc("constant '%s' not found\n", name);
1968 return NULL;
1969 }
1970 return cur->var;
1971 }
1972
1973 static char *gen_name(void)
1974 {
1975 static const char format[] = "__WIDL_%s_generated_name_%08lX";
1976 static unsigned long n = 0;
1977 static const char *file_id;
1978 static size_t size;
1979 char *name;
1980
1981 if (! file_id)
1982 {
1983 char *dst = dup_basename(input_name, ".idl");
1984 file_id = dst;
1985
1986 for (; *dst; ++dst)
1987 if (! isalnum((unsigned char) *dst))
1988 *dst = '_';
1989
1990 size = sizeof format - 7 + strlen(file_id) + 8;
1991 }
1992
1993 name = xmalloc(size);
1994 sprintf(name, format, file_id, n++);
1995 return name;
1996 }
1997
1998 struct allowed_attr
1999 {
2000 unsigned int dce_compatible : 1;
2001 unsigned int acf : 1;
2002 unsigned int on_interface : 1;
2003 unsigned int on_function : 1;
2004 unsigned int on_arg : 1;
2005 unsigned int on_type : 1;
2006 unsigned int on_enum : 1;
2007 unsigned int on_struct : 1;
2008 unsigned int on_union : 1;
2009 unsigned int on_field : 1;
2010 unsigned int on_library : 1;
2011 unsigned int on_dispinterface : 1;
2012 unsigned int on_module : 1;
2013 unsigned int on_coclass : 1;
2014 const char *display_name;
2015 };
2016
2017 struct allowed_attr allowed_attr[] =
2018 {
2019 /* attr { D ACF I Fn ARG T En St Un Fi L DI M C <display name> } */
2020 /* ATTR_AGGREGATABLE */ { 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 1, "aggregatable" },
2021 /* ATTR_ANNOTATION */ { 0, 0, 0, 0, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, "annotation" },
2022 /* ATTR_APPOBJECT */ { 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 1, "appobject" },
2023 /* ATTR_ASYNC */ { 0, 1, 0, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, "async" },
2024 /* ATTR_AUTO_HANDLE */ { 1, 1, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, "auto_handle" },
2025 /* ATTR_BINDABLE */ { 0, 0, 0, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, "bindable" },
2026 /* ATTR_BROADCAST */ { 1, 0, 0, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, "broadcast" },
2027 /* ATTR_CALLAS */ { 0, 0, 0, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, "call_as" },
2028 /* ATTR_CALLCONV */ { 0, 0, 0, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, NULL },
2029 /* ATTR_CASE */ { 1, 0, 0, 0, 0, 0, 0, 0, 0, 1, 0, 0, 0, 0, "case" },
2030 /* ATTR_CODE */ { 0, 1, 1, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, "code" },
2031 /* ATTR_COMMSTATUS */ { 0, 0, 0, 1, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, "comm_status" },
2032 /* ATTR_CONST */ { 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, "const" },
2033 /* ATTR_CONTEXTHANDLE */ { 1, 0, 0, 0, 0, 1, 0, 0, 0, 0, 0, 0, 0, 0, "context_handle" },
2034 /* ATTR_CONTROL */ { 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 1, 0, 0, 1, "control" },
2035 /* ATTR_DECODE */ { 0, 0, 1, 1, 0, 1, 0, 0, 0, 0, 0, 0, 0, 0, "decode" },
2036 /* ATTR_DEFAULT */ { 0, 0, 1, 0, 0, 0, 0, 0, 0, 1, 0, 1, 0, 0, "default" },
2037 /* ATTR_DEFAULTBIND */ { 0, 0, 0, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, "defaultbind" },
2038 /* ATTR_DEFAULTCOLLELEM */ { 0, 0, 0, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, "defaultcollelem" },
2039 /* ATTR_DEFAULTVALUE */ { 0, 0, 0, 0, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, "defaultvalue" },
2040 /* ATTR_DEFAULTVTABLE */ { 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 1, "defaultvtable" },
2041 /* ATTR_DISABLECONSISTENCYCHECK */{ 0, 0, 0, 0, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, "disable_consistency_check" },
2042 /* ATTR_DISPINTERFACE */ { 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, NULL },
2043 /* ATTR_DISPLAYBIND */ { 0, 0, 0, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, "displaybind" },
2044 /* ATTR_DLLNAME */ { 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 1, 0, "dllname" },
2045 /* ATTR_DUAL */ { 0, 0, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, "dual" },
2046 /* ATTR_ENABLEALLOCATE */ { 0, 0, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, "enable_allocate" },
2047 /* ATTR_ENCODE */ { 0, 0, 1, 1, 0, 1, 0, 0, 0, 0, 0, 0, 0, 0, "encode" },
2048 /* ATTR_ENDPOINT */ { 1, 0, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, "endpoint" },
2049 /* ATTR_ENTRY */ { 0, 0, 0, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, "entry" },
2050 /* ATTR_EXPLICIT_HANDLE */ { 1, 1, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, "explicit_handle" },
2051 /* ATTR_FAULTSTATUS */ { 0, 0, 0, 1, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, "fault_status" },
2052 /* ATTR_FORCEALLOCATE */ { 0, 0, 0, 0, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, "force_allocate" },
2053 /* ATTR_HANDLE */ { 1, 0, 0, 0, 0, 1, 0, 0, 0, 0, 0, 0, 0, 0, "handle" },
2054 /* ATTR_HELPCONTEXT */ { 0, 0, 1, 1, 0, 1, 1, 0, 0, 0, 1, 1, 1, 1, "helpcontext" },
2055 /* ATTR_HELPFILE */ { 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 1, 0, 0, 0, "helpfile" },
2056 /* ATTR_HELPSTRING */ { 0, 0, 1, 1, 0, 1, 1, 0, 0, 0, 1, 1, 1, 1, "helpstring" },
2057 /* ATTR_HELPSTRINGCONTEXT */ { 0, 0, 1, 1, 0, 1, 1, 0, 0, 0, 1, 1, 1, 1, "helpstringcontext" },
2058 /* ATTR_HELPSTRINGDLL */ { 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 1, 0, 0, 0, "helpstringdll" },
2059 /* ATTR_HIDDEN */ { 0, 0, 1, 1, 0, 0, 0, 0, 0, 0, 1, 1, 0, 1, "hidden" },
2060 /* ATTR_ID */ { 0, 0, 0, 1, 0, 0, 0, 0, 0, 1, 0, 0, 0, 0, "id" },
2061 /* ATTR_IDEMPOTENT */ { 1, 0, 0, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, "idempotent" },
2062 /* ATTR_IGNORE */ { 0, 0, 0, 0, 0, 0, 0, 0, 0, 1, 0, 0, 0, 0, "ignore" },
2063 /* ATTR_IIDIS */ { 0, 0, 0, 0, 1, 0, 0, 0, 0, 1, 0, 0, 0, 0, "iid_is" },
2064 /* ATTR_IMMEDIATEBIND */ { 0, 0, 0, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, "immediatebind" },
2065 /* ATTR_IMPLICIT_HANDLE */ { 1, 1, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, "implicit_handle" },
2066 /* ATTR_IN */ { 0, 0, 0, 0, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, "in" },
2067 /* ATTR_INLINE */ { 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, "inline" },
2068 /* ATTR_INPUTSYNC */ { 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, "inputsync" },
2069 /* ATTR_LENGTHIS */ { 0, 0, 0, 0, 1, 0, 0, 0, 0, 1, 0, 0, 0, 0, "length_is" },
2070 /* ATTR_LIBLCID */ { 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 1, 0, 0, 0, "lcid" },
2071 /* ATTR_LICENSED */ { 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 1, "licensed" },
2072 /* ATTR_LOCAL */ { 1, 0, 1, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, "local" },
2073 /* ATTR_MAYBE */ { 0, 0, 0, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, "maybe" },
2074 /* ATTR_MESSAGE */ { 0, 0, 0, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, "message" },
2075 /* ATTR_NOCODE */ { 0, 1, 1, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, "nocode" },
2076 /* ATTR_NONBROWSABLE */ { 0, 0, 0, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, "nonbrowsable" },
2077 /* ATTR_NONCREATABLE */ { 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 1, "noncreatable" },
2078 /* ATTR_NONEXTENSIBLE */ { 0, 0, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, "nonextensible" },
2079 /* ATTR_NOTIFY */ { 0, 0, 0, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, "notify" },
2080 /* ATTR_NOTIFYFLAG */ { 0, 0, 0, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, "notify_flag" },
2081 /* ATTR_OBJECT */ { 0, 0, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, "object" },
2082 /* ATTR_ODL */ { 0, 0, 1, 0, 0, 0, 0, 0, 0, 0, 0, 1, 0, 0, "odl" },
2083 /* ATTR_OLEAUTOMATION */ { 0, 0, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, "oleautomation" },
2084 /* ATTR_OPTIMIZE */ { 0, 0, 1, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, "optimize" },
2085 /* ATTR_OPTIONAL */ { 0, 0, 0, 0, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, "optional" },
2086 /* ATTR_OUT */ { 1, 0, 0, 0, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, "out" },
2087 /* ATTR_PARAMLCID */ { 0, 0, 0, 0, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, "lcid" },
2088 /* ATTR_PARTIALIGNORE */ { 0, 0, 0, 0, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, "partial_ignore" },
2089 /* ATTR_POINTERDEFAULT */ { 1, 0, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, "pointer_default" },
2090 /* ATTR_POINTERTYPE */ { 1, 0, 0, 0, 1, 1, 0, 0, 0, 1, 0, 0, 0, 0, "ref, unique or ptr" },
2091 /* ATTR_PROGID */ { 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 1, "progid" },
2092 /* ATTR_PROPGET */ { 0, 0, 0, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, "propget" },
2093 /* ATTR_PROPPUT */ { 0, 0, 0, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, "propput" },
2094 /* ATTR_PROPPUTREF */ { 0, 0, 0, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, "propputref" },
2095 /* ATTR_PROXY */ { 0, 0, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, "proxy" },
2096 /* ATTR_PUBLIC */ { 0, 0, 0, 0, 0, 1, 0, 0, 0, 0, 0, 0, 0, 0, "public" },
2097 /* ATTR_RANGE */ { 0, 0, 0, 0, 1, 1, 1, 0, 0, 1, 0, 0, 0, 0, "range" },
2098 /* ATTR_READONLY */ { 0, 0, 0, 0, 1, 0, 0, 0, 0, 1, 0, 0, 0, 0, "readonly" },
2099 /* ATTR_REPRESENTAS */ { 1, 0, 0, 0, 0, 1, 0, 0, 0, 0, 0, 0, 0, 0, "represent_as" },
2100 /* ATTR_REQUESTEDIT */ { 0, 0, 0, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, "requestedit" },
2101 /* ATTR_RESTRICTED */ { 0, 0, 1, 1, 0, 1, 1, 1, 0, 0, 1, 1, 1, 0, "restricted" },
2102 /* ATTR_RETVAL */ { 0, 0, 0, 0, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, "retval" },
2103 /* ATTR_SIZEIS */ { 0, 0, 0, 0, 1, 0, 0, 0, 0, 1, 0, 0, 0, 0, "size_is" },
2104 /* ATTR_SOURCE */ { 0, 0, 1, 1, 0, 0, 0, 0, 0, 0, 0, 1, 0, 0, "source" },
2105 /* ATTR_STRICTCONTEXTHANDLE */ { 0, 0, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, "strict_context_handle" },
2106 /* ATTR_STRING */ { 1, 0, 0, 1, 1, 1, 0, 0, 0, 1, 0, 0, 0, 0, "string" },
2107 /* ATTR_SWITCHIS */ { 1, 0, 0, 0, 1, 0, 0, 0, 0, 1, 0, 0, 0, 0, "switch_is" },
2108 /* ATTR_SWITCHTYPE */ { 1, 0, 0, 0, 0, 1, 0, 0, 0, 1, 0, 0, 0, 0, "switch_type" },
2109 /* ATTR_THREADING */ { 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 1, "threading" },
2110 /* ATTR_TRANSMITAS */ { 1, 0, 0, 0, 0, 1, 0, 0, 0, 0, 0, 0, 0, 0, "transmit_as" },
2111 /* ATTR_UIDEFAULT */ { 0, 0, 0, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, "uidefault" },
2112 /* ATTR_USESGETLASTERROR */ { 0, 0, 0, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, "usesgetlasterror" },
2113 /* ATTR_USERMARSHAL */ { 0, 0, 0, 0, 0, 1, 0, 0, 0, 0, 0, 0, 0, 0, "user_marshal" },
2114 /* ATTR_UUID */ { 1, 0, 1, 0, 0, 1, 1, 0, 0, 0, 1, 1, 1, 1, "uuid" },
2115 /* ATTR_V1ENUM */ { 0, 0, 0, 0, 0, 1, 1, 0, 0, 0, 0, 0, 0, 0, "v1_enum" },
2116 /* ATTR_VARARG */ { 0, 0, 0, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, "vararg" },
2117 /* ATTR_VERSION */ { 1, 0, 1, 0, 0, 0, 0, 0, 0, 0, 1, 0, 0, 0, "version" },
2118 /* ATTR_VIPROGID */ { 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 1, "vi_progid" },
2119 /* ATTR_WIREMARSHAL */ { 1, 0, 0, 0, 0, 1, 0, 0, 0, 0, 0, 0, 0, 0, "wire_marshal" },
2120 };
2121
2122 const char *get_attr_display_name(enum attr_type type)
2123 {
2124 return allowed_attr[type].display_name;
2125 }
2126
2127 static attr_list_t *check_iface_attrs(const char *name, attr_list_t *attrs)
2128 {
2129 const attr_t *attr;
2130 if (!attrs) return attrs;
2131 LIST_FOR_EACH_ENTRY(attr, attrs, const attr_t, entry)
2132 {
2133 if (!allowed_attr[attr->type].on_interface)
2134 error_loc("inapplicable attribute %s for interface %s\n",
2135 allowed_attr[attr->type].display_name, name);
2136 }
2137 return attrs;
2138 }
2139
2140 static attr_list_t *check_function_attrs(const char *name, attr_list_t *attrs)
2141 {
2142 const attr_t *attr;
2143 if (!attrs) return attrs;
2144 LIST_FOR_EACH_ENTRY(attr, attrs, const attr_t, entry)
2145 {
2146 if (!allowed_attr[attr->type].on_function)
2147 error_loc("inapplicable attribute %s for function %s\n",
2148 allowed_attr[attr->type].display_name, name);
2149 }
2150 return attrs;
2151 }
2152
2153 static void check_arg_attrs(const var_t *arg)
2154 {
2155 const attr_t *attr;
2156
2157 if (arg->attrs)
2158 {
2159 LIST_FOR_EACH_ENTRY(attr, arg->attrs, const attr_t, entry)
2160 {
2161 if (!allowed_attr[attr->type].on_arg)
2162 error_loc("inapplicable attribute %s for argument %s\n",
2163 allowed_attr[attr->type].display_name, arg->name);
2164 }
2165 }
2166 }
2167
2168 static attr_list_t *check_typedef_attrs(attr_list_t *attrs)
2169 {
2170 const attr_t *attr;
2171 if (!attrs) return attrs;
2172 LIST_FOR_EACH_ENTRY(attr, attrs, const attr_t, entry)
2173 {
2174 if (!allowed_attr[attr->type].on_type)
2175 error_loc("inapplicable attribute %s for typedef\n",
2176 allowed_attr[attr->type].display_name);
2177 }
2178 return attrs;
2179 }
2180
2181 static attr_list_t *check_enum_attrs(attr_list_t *attrs)
2182 {
2183 const attr_t *attr;
2184 if (!attrs) return attrs;
2185 LIST_FOR_EACH_ENTRY(attr, attrs, const attr_t, entry)
2186 {
2187 if (!allowed_attr[attr->type].on_enum)
2188 error_loc("inapplicable attribute %s for enum\n",
2189 allowed_attr[attr->type].display_name);
2190 }
2191 return attrs;
2192 }
2193
2194 static attr_list_t *check_struct_attrs(attr_list_t *attrs)
2195 {
2196 const attr_t *attr;
2197 if (!attrs) return attrs;
2198 LIST_FOR_EACH_ENTRY(attr, attrs, const attr_t, entry)
2199 {
2200 if (!allowed_attr[attr->type].on_struct)
2201 error_loc("inapplicable attribute %s for struct\n",
2202 allowed_attr[attr->type].display_name);
2203 }
2204 return attrs;
2205 }
2206
2207 static attr_list_t *check_union_attrs(attr_list_t *attrs)
2208 {
2209 const attr_t *attr;
2210 if (!attrs) return attrs;
2211 LIST_FOR_EACH_ENTRY(attr, attrs, const attr_t, entry)
2212 {
2213 if (!allowed_attr[attr->type].on_union)
2214 error_loc("inapplicable attribute %s for union\n",
2215 allowed_attr[attr->type].display_name);
2216 }
2217 return attrs;
2218 }
2219
2220 static attr_list_t *check_field_attrs(const char *name, attr_list_t *attrs)
2221 {
2222 const attr_t *attr;
2223 if (!attrs) return attrs;
2224 LIST_FOR_EACH_ENTRY(attr, attrs, const attr_t, entry)
2225 {
2226 if (!allowed_attr[attr->type].on_field)
2227 error_loc("inapplicable attribute %s for field %s\n",
2228 allowed_attr[attr->type].display_name, name);
2229 }
2230 return attrs;
2231 }
2232
2233 static attr_list_t *check_library_attrs(const char *name, attr_list_t *attrs)
2234 {
2235 const attr_t *attr;
2236 if (!attrs) return attrs;
2237 LIST_FOR_EACH_ENTRY(attr, attrs, const attr_t, entry)
2238 {
2239 if (!allowed_attr[attr->type].on_library)
2240 error_loc("inapplicable attribute %s for library %s\n",
2241 allowed_attr[attr->type].display_name, name);
2242 }
2243 return attrs;
2244 }
2245
2246 static attr_list_t *check_dispiface_attrs(const char *name, attr_list_t *attrs)
2247 {
2248 const attr_t *attr;
2249 if (!attrs) return attrs;
2250 LIST_FOR_EACH_ENTRY(attr, attrs, const attr_t, entry)
2251 {
2252 if (!allowed_attr[attr->type].on_dispinterface)
2253 error_loc("inapplicable attribute %s for dispinterface %s\n",
2254 allowed_attr[attr->type].display_name, name);
2255 }
2256 return attrs;
2257 }
2258
2259 static attr_list_t *check_module_attrs(const char *name, attr_list_t *attrs)
2260 {
2261 const attr_t *attr;
2262 if (!attrs) return attrs;
2263 LIST_FOR_EACH_ENTRY(attr, attrs, const attr_t, entry)
2264 {
2265 if (!allowed_attr[attr->type].on_module)
2266 error_loc("inapplicable attribute %s for module %s\n",
2267 allowed_attr[attr->type].display_name, name);
2268 }
2269 return attrs;
2270 }
2271
2272 static attr_list_t *check_coclass_attrs(const char *name, attr_list_t *attrs)
2273 {
2274 const attr_t *attr;
2275 if (!attrs) return attrs;
2276 LIST_FOR_EACH_ENTRY(attr, attrs, const attr_t, entry)
2277 {
2278 if (!allowed_attr[attr->type].on_coclass)
2279 error_loc("inapplicable attribute %s for coclass %s\n",
2280 allowed_attr[attr->type].display_name, name);
2281 }
2282 return attrs;
2283 }
2284
2285 static int is_allowed_conf_type(const type_t *type)
2286 {
2287 switch (type_get_type(type))
2288 {
2289 case TYPE_ENUM:
2290 return TRUE;
2291 case TYPE_BASIC:
2292 switch (type_basic_get_type(type))
2293 {
2294 case TYPE_BASIC_INT8:
2295 case TYPE_BASIC_INT16:
2296 case TYPE_BASIC_INT32:
2297 case TYPE_BASIC_INT64:
2298 case TYPE_BASIC_INT:
2299 case TYPE_BASIC_CHAR:
2300 case TYPE_BASIC_HYPER:
2301 case TYPE_BASIC_BYTE:
2302 case TYPE_BASIC_WCHAR:
2303 return TRUE;
2304 default:
2305 return FALSE;
2306 }
2307 case TYPE_ALIAS:
2308 /* shouldn't get here because of type_get_type call above */
2309 assert(0);
2310 /* fall through */
2311 case TYPE_STRUCT:
2312 case TYPE_UNION:
2313 case TYPE_ENCAPSULATED_UNION:
2314 case TYPE_ARRAY:
2315 case TYPE_POINTER:
2316 case TYPE_VOID:
2317 case TYPE_MODULE:
2318 case TYPE_COCLASS:
2319 case TYPE_FUNCTION:
2320 case TYPE_INTERFACE:
2321 case TYPE_BITFIELD:
2322 return FALSE;
2323 }
2324 return FALSE;
2325 }
2326
2327 static int is_ptr_guid_type(const type_t *type)
2328 {
2329 /* first, make sure it is a pointer to something */
2330 if (!is_ptr(type)) return FALSE;
2331
2332 /* second, make sure it is a pointer to something of size sizeof(GUID),
2333 * i.e. 16 bytes */
2334 return (type_memsize(type_pointer_get_ref(type)) == 16);
2335 }
2336
2337 static void check_conformance_expr_list(const char *attr_name, const var_t *arg, const type_t *container_type, expr_list_t *expr_list)
2338 {
2339 expr_t *dim;
2340 struct expr_loc expr_loc;
2341 expr_loc.v = arg;
2342 expr_loc.attr = attr_name;
2343 if (expr_list) LIST_FOR_EACH_ENTRY(dim, expr_list, expr_t, entry)
2344 {
2345 if (dim->type != EXPR_VOID)
2346 {
2347 const type_t *expr_type = expr_resolve_type(&expr_loc, container_type, dim);
2348 if (!is_allowed_conf_type(expr_type))
2349 error_loc_info(&arg->loc_info, "expression must resolve to integral type <= 32bits for attribute %s\n",
2350 attr_name);
2351 }
2352 }
2353 }
2354
2355 static void check_remoting_fields(const var_t *var, type_t *type);
2356
2357 /* checks that properties common to fields and arguments are consistent */
2358 static void check_field_common(const type_t *container_type,
2359 const char *container_name, const var_t *arg)
2360 {
2361 type_t *type = arg->type;
2362 int more_to_do;
2363 const char *container_type_name;
2364 const char *var_type;
2365
2366 switch (type_get_type(container_type))
2367 {
2368 case TYPE_STRUCT:
2369 container_type_name = "struct";
2370 var_type = "field";
2371 break;
2372 case TYPE_UNION:
2373 container_type_name = "union";
2374 var_type = "arm";
2375 break;
2376 case TYPE_ENCAPSULATED_UNION:
2377 container_type_name = "encapsulated union";
2378 var_type = "arm";
2379 break;
2380 case TYPE_FUNCTION:
2381 container_type_name = "function";
2382 var_type = "parameter";
2383 break;
2384 default:
2385 /* should be no other container types */
2386 assert(0);
2387 return;
2388 }
2389
2390 if (is_attr(arg->attrs, ATTR_LENGTHIS) &&
2391 (is_attr(arg->attrs, ATTR_STRING) || is_aliaschain_attr(arg->type, ATTR_STRING)))
2392 error_loc_info(&arg->loc_info,
2393 "string and length_is specified for argument %s are mutually exclusive attributes\n",
2394 arg->name);
2395
2396 if (is_attr(arg->attrs, ATTR_SIZEIS))
2397 {
2398 expr_list_t *size_is_exprs = get_attrp(arg->attrs, ATTR_SIZEIS);
2399 check_conformance_expr_list("size_is", arg, container_type, size_is_exprs);
2400 }
2401 if (is_attr(arg->attrs, ATTR_LENGTHIS))
2402 {
2403 expr_list_t *length_is_exprs = get_attrp(arg->attrs, ATTR_LENGTHIS);
2404 check_conformance_expr_list("length_is", arg, container_type, length_is_exprs);
2405 }
2406 if (is_attr(arg->attrs, ATTR_IIDIS))
2407 {
2408 struct expr_loc expr_loc;
2409 expr_t *expr = get_attrp(arg->attrs, ATTR_IIDIS);
2410 if (expr->type != EXPR_VOID)
2411 {
2412 const type_t *expr_type;
2413 expr_loc.v = arg;
2414 expr_loc.attr = "iid_is";
2415 expr_type = expr_resolve_type(&expr_loc, container_type, expr);
2416 if (!expr_type || !is_ptr_guid_type(expr_type))
2417 error_loc_info(&arg->loc_info, "expression must resolve to pointer to GUID type for attribute iid_is\n");
2418 }
2419 }
2420 if (is_attr(arg->attrs, ATTR_SWITCHIS))
2421 {
2422 struct expr_loc expr_loc;
2423 expr_t *expr = get_attrp(arg->attrs, ATTR_SWITCHIS);
2424 if (expr->type != EXPR_VOID)
2425 {
2426 const type_t *expr_type;
2427 expr_loc.v = arg;
2428 expr_loc.attr = "switch_is";
2429 expr_type = expr_resolve_type(&expr_loc, container_type, expr);
2430 if (!expr_type || !is_allowed_conf_type(expr_type))
2431 error_loc_info(&arg->loc_info, "expression must resolve to integral type <= 32bits for attribute %s\n",
2432 expr_loc.attr);
2433 }
2434 }
2435
2436 do
2437 {
2438 more_to_do = FALSE;
2439
2440 switch (typegen_detect_type(type, arg->attrs, TDT_IGNORE_STRINGS))
2441 {
2442 case TGT_STRUCT:
2443 case TGT_UNION:
2444 check_remoting_fields(arg, type);
2445 break;
2446 case TGT_INVALID:
2447 {
2448 const char *reason = "is invalid";
2449 switch (type_get_type(type))
2450 {
2451 case TYPE_VOID:
2452 reason = "cannot derive from void *";
2453 break;
2454 case TYPE_FUNCTION:
2455 reason = "cannot be a function pointer";
2456 break;
2457 case TYPE_BITFIELD:
2458 reason = "cannot be a bit-field";
2459 break;
2460 case TYPE_COCLASS:
2461 reason = "cannot be a class";
2462 break;
2463 case TYPE_INTERFACE:
2464 reason = "cannot be a non-pointer to an interface";
2465 break;
2466 case TYPE_MODULE:
2467 reason = "cannot be a module";
2468 break;
2469 default:
2470 break;
2471 }
2472 error_loc_info(&arg->loc_info, "%s \'%s\' of %s \'%s\' %s\n",
2473 var_type, arg->name, container_type_name, container_name, reason);
2474 break;
2475 }
2476 case TGT_CTXT_HANDLE:
2477 case TGT_CTXT_HANDLE_POINTER:
2478 if (type_get_type(container_type) != TYPE_FUNCTION)
2479 error_loc_info(&arg->loc_info,
2480 "%s \'%s\' of %s \'%s\' cannot be a context handle\n",
2481 var_type, arg->name, container_type_name,
2482 container_name);
2483 break;
2484 case TGT_STRING:
2485 {
2486 const type_t *t = type;
2487 while (is_ptr(t))
2488 t = type_pointer_get_ref(t);
2489 if (is_aliaschain_attr(t, ATTR_RANGE))
2490 warning_loc_info(&arg->loc_info, "%s: range not verified for a string of ranged types\n", arg->name);
2491 break;
2492 }
2493 case TGT_POINTER:
2494 type = type_pointer_get_ref(type);
2495 more_to_do = TRUE;
2496 break;
2497 case TGT_ARRAY:
2498 type = type_array_get_element(type);
2499 more_to_do = TRUE;
2500 break;
2501 case TGT_USER_TYPE:
2502 case TGT_IFACE_POINTER:
2503 case TGT_BASIC:
2504 case TGT_ENUM:
2505 case TGT_RANGE:
2506 /* nothing to do */
2507 break;
2508 }
2509 } while (more_to_do);
2510 }
2511
2512 static void check_remoting_fields(const var_t *var, type_t *type)
2513 {
2514 const var_t *field;
2515 const var_list_t *fields = NULL;
2516
2517 type = type_get_real_type(type);
2518
2519 if (type->checked)
2520 return;
2521
2522 type->checked = TRUE;
2523
2524 if (type_get_type(type) == TYPE_STRUCT)
2525 {
2526 if (type_is_complete(type))
2527 fields = type_struct_get_fields(type);
2528 else
2529 error_loc_info(&var->loc_info, "undefined type declaration %s\n", type->name);
2530 }
2531 else if (type_get_type(type) == TYPE_UNION || type_get_type(type) == TYPE_ENCAPSULATED_UNION)
2532 fields = type_union_get_cases(type);
2533
2534 if (fields) LIST_FOR_EACH_ENTRY( field, fields, const var_t, entry )
2535 if (field->type) check_field_common(type, type->name, field);
2536 }
2537
2538 /* checks that arguments for a function make sense for marshalling and unmarshalling */
2539 static void check_remoting_args(const var_t *func)
2540 {
2541 const char *funcname = func->name;
2542 const var_t *arg;
2543
2544 if (func->type->details.function->args) LIST_FOR_EACH_ENTRY( arg, func->type->details.function->args, const var_t, entry )
2545 {
2546 const type_t *type = arg->type;
2547
2548 /* check that [out] parameters have enough pointer levels */
2549 if (is_attr(arg->attrs, ATTR_OUT))
2550 {
2551 switch (typegen_detect_type(type, arg->attrs, TDT_ALL_TYPES))
2552 {
2553 case TGT_BASIC:
2554 case TGT_ENUM:
2555 case TGT_RANGE:
2556 case TGT_STRUCT:
2557 case TGT_UNION:
2558 case TGT_CTXT_HANDLE:
2559 case TGT_USER_TYPE:
2560 error_loc_info(&arg->loc_info, "out parameter \'%s\' of function \'%s\' is not a pointer\n", arg->name, funcname);
2561 break;
2562 case TGT_IFACE_POINTER:
2563 error_loc_info(&arg->loc_info, "out interface pointer \'%s\' of function \'%s\' is not a double pointer\n", arg->name, funcname);
2564 break;
2565 case TGT_STRING:
2566 if (is_ptr(type) ||
2567 (is_array(type) &&
2568 (!type_array_has_conformance(type) ||
2569 type_array_get_conformance(type)->type == EXPR_VOID)))
2570 error_loc_info(&arg->loc_info, "out parameter \'%s\' of function \'%s\' cannot be an unsized string\n", arg->name, funcname);
2571 break;
2572 case TGT_INVALID:
2573 /* already error'd before we get here */
2574 case TGT_CTXT_HANDLE_POINTER:
2575 case TGT_POINTER:
2576 case TGT_ARRAY:
2577 /* OK */
2578 break;
2579 }
2580 }
2581
2582 check_field_common(func->type, funcname, arg);
2583 }
2584
2585 if (type_get_type(type_function_get_rettype(func->type)) != TYPE_VOID)
2586 {
2587 var_t var;
2588 var = *func;
2589 var.type = type_function_get_rettype(func->type);
2590 var.name = xstrdup("return value");
2591 check_field_common(func->type, funcname, &var);
2592 free(var.name);
2593 }
2594 }
2595
2596 static void add_explicit_handle_if_necessary(var_t *func)
2597 {
2598 const var_t* explicit_handle_var;
2599 const var_t* explicit_generic_handle_var = NULL;
2600 const var_t* context_handle_var = NULL;
2601
2602 /* check for a defined binding handle */
2603 explicit_handle_var = get_explicit_handle_var(func);
2604 if (!explicit_handle_var)
2605 {
2606 explicit_generic_handle_var = get_explicit_generic_handle_var(func);
2607 if (!explicit_generic_handle_var)
2608 {
2609 context_handle_var = get_context_handle_var(func);
2610 if (!context_handle_var)
2611 {
2612 /* no explicit handle specified so add
2613 * "[in] handle_t IDL_handle" as the first parameter to the
2614 * function */
2615 var_t *idl_handle = make_var(xstrdup("IDL_handle"));
2616 idl_handle->attrs = append_attr(NULL, make_attr(ATTR_IN));
2617 idl_handle->type = find_type_or_error("handle_t", 0);
2618 type_function_add_head_arg(func->type, idl_handle);
2619 }
2620 }
2621 }
2622 }
2623
2624 static void check_functions(const type_t *iface, int is_inside_library)
2625 {
2626 const statement_t *stmt;
2627 if (is_attr(iface->attrs, ATTR_EXPLICIT_HANDLE))
2628 {
2629 STATEMENTS_FOR_EACH_FUNC( stmt, type_iface_get_stmts(iface) )
2630 {
2631 var_t *func = stmt->u.var;
2632 add_explicit_handle_if_necessary(func);
2633 }
2634 }
2635 if (!is_inside_library && !is_attr(iface->attrs, ATTR_LOCAL))
2636 {
2637 STATEMENTS_FOR_EACH_FUNC( stmt, type_iface_get_stmts(iface) )
2638 {
2639 const var_t *func = stmt->u.var;
2640 if (!is_attr(func->attrs, ATTR_LOCAL))
2641 check_remoting_args(func);
2642 }
2643 }
2644 }
2645
2646 static void check_statements(const statement_list_t *stmts, int is_inside_library)
2647 {
2648 const statement_t *stmt;
2649
2650 if (stmts) LIST_FOR_EACH_ENTRY(stmt, stmts, const statement_t, entry)
2651 {
2652 if (stmt->type == STMT_LIBRARY)
2653 check_statements(stmt->u.lib->stmts, TRUE);
2654 else if (stmt->type == STMT_TYPE && type_get_type(stmt->u.type) == TYPE_INTERFACE)
2655 check_functions(stmt->u.type, is_inside_library);
2656 }
2657 }
2658
2659 static void check_all_user_types(const statement_list_t *stmts)
2660 {
2661 const statement_t *stmt;
2662
2663 if (stmts) LIST_FOR_EACH_ENTRY(stmt, stmts, const statement_t, entry)
2664 {
2665 if (stmt->type == STMT_LIBRARY)
2666 check_all_user_types(stmt->u.lib->stmts);
2667 else if (stmt->type == STMT_TYPE && type_get_type(stmt->u.type) == TYPE_INTERFACE &&
2668 !is_local(stmt->u.type->attrs))
2669 {
2670 const statement_t *stmt_func;
2671 STATEMENTS_FOR_EACH_FUNC(stmt_func, type_iface_get_stmts(stmt->u.type)) {
2672 const var_t *func = stmt_func->u.var;
2673 check_for_additional_prototype_types(func->type->details.function->args);
2674 }
2675 }
2676 }
2677 }
2678
2679 int is_valid_uuid(const char *s)
2680 {
2681 int i;
2682
2683 for (i = 0; i < 36; ++i)
2684 if (i == 8 || i == 13 || i == 18 || i == 23)
2685 {
2686 if (s[i] != '-')
2687 return FALSE;
2688 }
2689 else
2690 if (!isxdigit(s[i]))
2691 return FALSE;
2692
2693 return s[i] == '\0';
2694 }
2695
2696 static statement_t *make_statement(enum statement_type type)
2697 {
2698 statement_t *stmt = xmalloc(sizeof(*stmt));
2699 stmt->type = type;
2700 return stmt;
2701 }
2702
2703 static statement_t *make_statement_type_decl(type_t *type)
2704 {
2705 statement_t *stmt = make_statement(STMT_TYPE);
2706 stmt->u.type = type;
2707 return stmt;
2708 }
2709
2710 static statement_t *make_statement_reference(type_t *type)
2711 {
2712 statement_t *stmt = make_statement(STMT_TYPEREF);
2713 stmt->u.type = type;
2714 return stmt;
2715 }
2716
2717 static statement_t *make_statement_declaration(var_t *var)
2718 {
2719 statement_t *stmt = make_statement(STMT_DECLARATION);
2720 stmt->u.var = var;
2721 if (var->stgclass == STG_EXTERN && var->eval)
2722 warning("'%s' initialised and declared extern\n", var->name);
2723 if (is_const_decl(var))
2724 {
2725 if (var->eval)
2726 reg_const(var);
2727 }
2728 else if (type_get_type(var->type) == TYPE_FUNCTION)
2729 check_function_attrs(var->name, var->attrs);
2730 else if (var->stgclass == STG_NONE || var->stgclass == STG_REGISTER)
2731 error_loc("instantiation of data is illegal\n");
2732 return stmt;
2733 }
2734
2735 static statement_t *make_statement_library(typelib_t *typelib)
2736 {
2737 statement_t *stmt = make_statement(STMT_LIBRARY);
2738 stmt->u.lib = typelib;
2739 return stmt;
2740 }
2741
2742 static statement_t *make_statement_cppquote(const char *str)
2743 {
2744 statement_t *stmt = make_statement(STMT_CPPQUOTE);
2745 stmt->u.str = str;
2746 return stmt;
2747 }
2748
2749 static statement_t *make_statement_importlib(const char *str)
2750 {
2751 statement_t *stmt = make_statement(STMT_IMPORTLIB);
2752 stmt->u.str = str;
2753 return stmt;
2754 }
2755
2756 static statement_t *make_statement_import(const char *str)
2757 {
2758 statement_t *stmt = make_statement(STMT_IMPORT);
2759 stmt->u.str = str;
2760 return stmt;
2761 }
2762
2763 static statement_t *make_statement_module(type_t *type)
2764 {
2765 statement_t *stmt = make_statement(STMT_MODULE);
2766 stmt->u.type = type;
2767 return stmt;
2768 }
2769
2770 static statement_t *make_statement_typedef(declarator_list_t *decls)
2771 {
2772 declarator_t *decl, *next;
2773 statement_t *stmt;
2774 type_list_t **type_list;
2775
2776 if (!decls) return NULL;
2777
2778 stmt = make_statement(STMT_TYPEDEF);
2779 stmt->u.type_list = NULL;
2780 type_list = &stmt->u.type_list;
2781
2782 LIST_FOR_EACH_ENTRY_SAFE( decl, next, decls, declarator_t, entry )
2783 {
2784 var_t *var = decl->var;
2785 type_t *type = find_type_or_error(var->name, 0);
2786 *type_list = xmalloc(sizeof(type_list_t));
2787 (*type_list)->type = type;
2788 (*type_list)->next = NULL;
2789
2790 type_list = &(*type_list)->next;
2791 free(decl);
2792 free(var);
2793 }
2794
2795 return stmt;
2796 }
2797
2798 static statement_list_t *append_statement(statement_list_t *list, statement_t *stmt)
2799 {
2800 if (!stmt) return list;
2801 if (!list)
2802 {
2803 list = xmalloc( sizeof(*list) );
2804 list_init( list );
2805 }
2806 list_add_tail( list, &stmt->entry );
2807 return list;
2808 }
2809
2810 void init_loc_info(loc_info_t *i)
2811 {
2812 i->input_name = input_name ? input_name : "stdin";
2813 i->line_number = line_number;
2814 i->near_text = parser_text;
2815 }
2816
2817 static void check_def(const type_t *t)
2818 {
2819 if (t->defined)
2820 error_loc("%s: redefinition error; original definition was at %s:%d\n",
2821 t->name, t->loc_info.input_name, t->loc_info.line_number);
2822 }
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