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server: Use the generic named object functions for named pipes.
[wine.git] / tools / widl / parser.y
blob7de756753523f808a09597397cb4e8a35913f030
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 static unsigned char pointer_default = RPC_FC_UP;
42
43 typedef struct list typelist_t;
44 struct typenode {
45 type_t *type;
46 struct list entry;
47 };
48
49 struct _import_t
50 {
51 char *name;
52 int import_performed;
53 };
54
55 typedef struct _decl_spec_t
56 {
57 type_t *type;
58 attr_list_t *attrs;
59 enum storage_class stgclass;
60 } decl_spec_t;
61
62 typelist_t incomplete_types = LIST_INIT(incomplete_types);
63
64 static void fix_incomplete(void);
65 static void fix_incomplete_types(type_t *complete_type);
66
67 static str_list_t *append_str(str_list_t *list, char *str);
68 static attr_list_t *append_attr(attr_list_t *list, attr_t *attr);
69 static attr_list_t *append_attr_list(attr_list_t *new_list, attr_list_t *old_list);
70 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);
71 static attr_t *make_attr(enum attr_type type);
72 static attr_t *make_attrv(enum attr_type type, unsigned int val);
73 static attr_t *make_attrp(enum attr_type type, void *val);
74 static expr_list_t *append_expr(expr_list_t *list, expr_t *expr);
75 static array_dims_t *append_array(array_dims_t *list, expr_t *expr);
76 static var_t *declare_var(attr_list_t *attrs, decl_spec_t *decl_spec, const declarator_t *decl, int top);
77 static var_list_t *set_var_types(attr_list_t *attrs, decl_spec_t *decl_spec, declarator_list_t *decls);
78 static ifref_list_t *append_ifref(ifref_list_t *list, ifref_t *iface);
79 static ifref_t *make_ifref(type_t *iface);
80 static var_list_t *append_var_list(var_list_t *list, var_list_t *vars);
81 static declarator_list_t *append_declarator(declarator_list_t *list, declarator_t *p);
82 static declarator_t *make_declarator(var_t *var);
83 static type_t *make_safearray(type_t *type);
84 static typelib_t *make_library(const char *name, const attr_list_t *attrs);
85 static type_t *append_ptrchain_type(type_t *ptrchain, type_t *type);
86
87 static type_t *reg_typedefs(decl_spec_t *decl_spec, var_list_t *names, attr_list_t *attrs);
88 static type_t *find_type_or_error(const char *name, int t);
89 static type_t *find_type_or_error2(char *name, int t);
90
91 static var_t *reg_const(var_t *var);
92
93 static void push_namespace(const char *name);
94 static void pop_namespace(const char *name);
95
96 static char *gen_name(void);
97 static void check_arg_attrs(const var_t *arg);
98 static void check_statements(const statement_list_t *stmts, int is_inside_library);
99 static void check_all_user_types(const statement_list_t *stmts);
100 static attr_list_t *check_iface_attrs(const char *name, attr_list_t *attrs);
101 static attr_list_t *check_function_attrs(const char *name, attr_list_t *attrs);
102 static attr_list_t *check_typedef_attrs(attr_list_t *attrs);
103 static attr_list_t *check_enum_attrs(attr_list_t *attrs);
104 static attr_list_t *check_struct_attrs(attr_list_t *attrs);
105 static attr_list_t *check_union_attrs(attr_list_t *attrs);
106 static attr_list_t *check_field_attrs(const char *name, attr_list_t *attrs);
107 static attr_list_t *check_library_attrs(const char *name, attr_list_t *attrs);
108 static attr_list_t *check_dispiface_attrs(const char *name, attr_list_t *attrs);
109 static attr_list_t *check_module_attrs(const char *name, attr_list_t *attrs);
110 static attr_list_t *check_coclass_attrs(const char *name, attr_list_t *attrs);
111 const char *get_attr_display_name(enum attr_type type);
112 static void add_explicit_handle_if_necessary(const type_t *iface, var_t *func);
113 static void check_def(const type_t *t);
114
115 static statement_t *make_statement(enum statement_type type);
116 static statement_t *make_statement_type_decl(type_t *type);
117 static statement_t *make_statement_reference(type_t *type);
118 static statement_t *make_statement_declaration(var_t *var);
119 static statement_t *make_statement_library(typelib_t *typelib);
120 static statement_t *make_statement_pragma(const char *str);
121 static statement_t *make_statement_cppquote(const char *str);
122 static statement_t *make_statement_importlib(const char *str);
123 static statement_t *make_statement_module(type_t *type);
124 static statement_t *make_statement_typedef(var_list_t *names);
125 static statement_t *make_statement_import(const char *str);
126 static statement_list_t *append_statement(statement_list_t *list, statement_t *stmt);
127 static statement_list_t *append_statements(statement_list_t *, statement_list_t *);
128 static attr_list_t *append_attribs(attr_list_t *, attr_list_t *);
129
130 static struct namespace global_namespace = {
131 NULL, NULL, LIST_INIT(global_namespace.entry), LIST_INIT(global_namespace.children)
132 };
133
134 static struct namespace *current_namespace = &global_namespace;
135
136 %}
137 %union {
138 attr_t *attr;
139 attr_list_t *attr_list;
140 str_list_t *str_list;
141 expr_t *expr;
142 expr_list_t *expr_list;
143 array_dims_t *array_dims;
144 type_t *type;
145 var_t *var;
146 var_list_t *var_list;
147 declarator_t *declarator;
148 declarator_list_t *declarator_list;
149 statement_t *statement;
150 statement_list_t *stmt_list;
151 ifref_t *ifref;
152 ifref_list_t *ifref_list;
153 char *str;
154 UUID *uuid;
155 unsigned int num;
156 double dbl;
157 interface_info_t ifinfo;
158 typelib_t *typelib;
159 struct _import_t *import;
160 struct _decl_spec_t *declspec;
161 enum storage_class stgclass;
162 }
163
164 %token <str> aIDENTIFIER aPRAGMA
165 %token <str> aKNOWNTYPE
166 %token <num> aNUM aHEXNUM
167 %token <dbl> aDOUBLE
168 %token <str> aSTRING aWSTRING aSQSTRING
169 %token <uuid> aUUID
170 %token aEOF
171 %token SHL SHR
172 %token MEMBERPTR
173 %token EQUALITY INEQUALITY
174 %token GREATEREQUAL LESSEQUAL
175 %token LOGICALOR LOGICALAND
176 %token ELLIPSIS
177 %token tAGGREGATABLE tALLOCATE tANNOTATION tAPPOBJECT tASYNC tASYNCUUID
178 %token tAUTOHANDLE tBINDABLE tBOOLEAN tBROADCAST tBYTE tBYTECOUNT
179 %token tCALLAS tCALLBACK tCASE tCDECL tCHAR tCOCLASS tCODE tCOMMSTATUS
180 %token tCONST tCONTEXTHANDLE tCONTEXTHANDLENOSERIALIZE
181 %token tCONTEXTHANDLESERIALIZE tCONTROL tCPPQUOTE
182 %token tDECODE tDEFAULT tDEFAULTBIND
183 %token tDEFAULTCOLLELEM
184 %token tDEFAULTVALUE
185 %token tDEFAULTVTABLE
186 %token tDISABLECONSISTENCYCHECK tDISPLAYBIND
187 %token tDISPINTERFACE
188 %token tDLLNAME tDOUBLE tDUAL
189 %token tENABLEALLOCATE tENCODE tENDPOINT
190 %token tENTRY tENUM tERRORSTATUST
191 %token tEXPLICITHANDLE tEXTERN
192 %token tFALSE
193 %token tFASTCALL tFAULTSTATUS
194 %token tFLOAT tFORCEALLOCATE
195 %token tHANDLE
196 %token tHANDLET
197 %token tHELPCONTEXT tHELPFILE
198 %token tHELPSTRING tHELPSTRINGCONTEXT tHELPSTRINGDLL
199 %token tHIDDEN
200 %token tHYPER tID tIDEMPOTENT
201 %token tIGNORE tIIDIS
202 %token tIMMEDIATEBIND
203 %token tIMPLICITHANDLE
204 %token tIMPORT tIMPORTLIB
205 %token tIN tIN_LINE tINLINE
206 %token tINPUTSYNC
207 %token tINT tINT3264 tINT64
208 %token tINTERFACE
209 %token tLCID
210 %token tLENGTHIS tLIBRARY
211 %token tLICENSED tLOCAL
212 %token tLONG
213 %token tMAYBE tMESSAGE
214 %token tMETHODS
215 %token tMODULE
216 %token tNAMESPACE
217 %token tNOCODE tNONBROWSABLE
218 %token tNONCREATABLE
219 %token tNONEXTENSIBLE
220 %token tNOTIFY tNOTIFYFLAG
221 %token tNULL
222 %token tOBJECT tODL tOLEAUTOMATION
223 %token tOPTIMIZE tOPTIONAL
224 %token tOUT
225 %token tPARTIALIGNORE tPASCAL
226 %token tPOINTERDEFAULT
227 %token tPROGID tPROPERTIES
228 %token tPROPGET tPROPPUT tPROPPUTREF
229 %token tPROXY tPTR
230 %token tPUBLIC
231 %token tRANGE
232 %token tREADONLY tREF
233 %token tREGISTER tREPRESENTAS
234 %token tREQUESTEDIT
235 %token tRESTRICTED
236 %token tRETVAL
237 %token tSAFEARRAY
238 %token tSHORT
239 %token tSIGNED
240 %token tSIZEIS tSIZEOF
241 %token tSMALL
242 %token tSOURCE
243 %token tSTATIC
244 %token tSTDCALL
245 %token tSTRICTCONTEXTHANDLE
246 %token tSTRING tSTRUCT
247 %token tSWITCH tSWITCHIS tSWITCHTYPE
248 %token tTHREADING tTRANSMITAS
249 %token tTRUE
250 %token tTYPEDEF
251 %token tUIDEFAULT tUNION
252 %token tUNIQUE
253 %token tUNSIGNED
254 %token tUSESGETLASTERROR tUSERMARSHAL tUUID
255 %token tV1ENUM
256 %token tVARARG
257 %token tVERSION tVIPROGID
258 %token tVOID
259 %token tWCHAR tWIREMARSHAL
260 %token tAPARTMENT tNEUTRAL tSINGLE tFREE tBOTH
261
262 %type <attr> attribute type_qualifier function_specifier
263 %type <attr_list> m_attributes attributes attrib_list m_type_qual_list
264 %type <str_list> str_list
265 %type <expr> m_expr expr expr_const expr_int_const array m_bitfield
266 %type <expr_list> m_exprs /* exprs expr_list */ expr_list_int_const
267 %type <ifinfo> interfacehdr
268 %type <stgclass> storage_cls_spec
269 %type <declspec> decl_spec decl_spec_no_type m_decl_spec_no_type
270 %type <type> inherit interface interfacedef interfacedec
271 %type <type> dispinterface dispinterfacehdr dispinterfacedef
272 %type <type> module modulehdr moduledef
273 %type <str> namespacedef
274 %type <type> base_type int_std
275 %type <type> enumdef structdef uniondef typedecl
276 %type <type> type
277 %type <ifref> coclass_int
278 %type <ifref_list> coclass_ints
279 %type <var> arg ne_union_field union_field s_field case enum declaration
280 %type <var> funcdef
281 %type <var_list> m_args arg_list args dispint_meths
282 %type <var_list> fields ne_union_fields cases enums enum_list dispint_props field
283 %type <var> m_ident ident
284 %type <declarator> declarator direct_declarator init_declarator struct_declarator
285 %type <declarator> m_any_declarator any_declarator any_declarator_no_direct any_direct_declarator
286 %type <declarator> m_abstract_declarator abstract_declarator abstract_declarator_no_direct abstract_direct_declarator
287 %type <declarator_list> declarator_list struct_declarator_list
288 %type <type> coclass coclasshdr coclassdef
289 %type <num> pointer_type threading_type version
290 %type <str> libraryhdr callconv cppquote importlib import t_ident
291 %type <uuid> uuid_string
292 %type <import> import_start
293 %type <typelib> library_start librarydef
294 %type <statement> statement typedef
295 %type <stmt_list> gbl_statements imp_statements int_statements
296
297 %left ','
298 %right '?' ':'
299 %left LOGICALOR
300 %left LOGICALAND
301 %left '|'
302 %left '^'
303 %left '&'
304 %left EQUALITY INEQUALITY
305 %left '<' '>' LESSEQUAL GREATEREQUAL
306 %left SHL SHR
307 %left '-' '+'
308 %left '*' '/' '%'
309 %right '!' '~' CAST PPTR POS NEG ADDRESSOF tSIZEOF
310 %left '.' MEMBERPTR '[' ']'
311
312 %error-verbose
313
314 %%
315
316 input: gbl_statements { fix_incomplete();
317 check_statements($1, FALSE);
318 check_all_user_types($1);
319 write_header($1);
320 write_id_data($1);
321 write_proxies($1);
322 write_client($1);
323 write_server($1);
324 write_regscript($1);
325 write_dlldata($1);
326 write_local_stubs($1);
327 }
328 ;
329
330 gbl_statements: { $$ = NULL; }
331 | gbl_statements namespacedef '{' { push_namespace($2); } gbl_statements '}'
332 { pop_namespace($2); $$ = append_statements($1, $5); }
333 | gbl_statements interfacedec { $$ = append_statement($1, make_statement_reference($2)); }
334 | gbl_statements interfacedef { $$ = append_statement($1, make_statement_type_decl($2)); }
335 | gbl_statements coclass ';' { $$ = $1;
336 reg_type($2, $2->name, current_namespace, 0);
337 }
338 | gbl_statements coclassdef { $$ = append_statement($1, make_statement_type_decl($2));
339 reg_type($2, $2->name, current_namespace, 0);
340 }
341 | gbl_statements moduledef { $$ = append_statement($1, make_statement_module($2)); }
342 | gbl_statements librarydef { $$ = append_statement($1, make_statement_library($2)); }
343 | gbl_statements statement { $$ = append_statement($1, $2); }
344 ;
345
346 imp_statements: { $$ = NULL; }
347 | imp_statements interfacedec { $$ = append_statement($1, make_statement_reference($2)); }
348 | imp_statements namespacedef '{' { push_namespace($2); } imp_statements '}'
349 { pop_namespace($2); $$ = append_statements($1, $5); }
350 | imp_statements interfacedef { $$ = append_statement($1, make_statement_type_decl($2)); }
351 | imp_statements coclass ';' { $$ = $1; reg_type($2, $2->name, current_namespace, 0); }
352 | imp_statements coclassdef { $$ = append_statement($1, make_statement_type_decl($2));
353 reg_type($2, $2->name, current_namespace, 0);
354 }
355 | imp_statements moduledef { $$ = append_statement($1, make_statement_module($2)); }
356 | imp_statements statement { $$ = append_statement($1, $2); }
357 | imp_statements importlib { $$ = append_statement($1, make_statement_importlib($2)); }
358 | imp_statements librarydef { $$ = append_statement($1, make_statement_library($2)); }
359 ;
360
361 int_statements: { $$ = NULL; }
362 | int_statements statement { $$ = append_statement($1, $2); }
363 ;
364
365 semicolon_opt:
366 | ';'
367 ;
368
369 statement:
370 cppquote { $$ = make_statement_cppquote($1); }
371 | typedecl ';' { $$ = make_statement_type_decl($1); }
372 | declaration ';' { $$ = make_statement_declaration($1); }
373 | import { $$ = make_statement_import($1); }
374 | typedef ';' { $$ = $1; }
375 | aPRAGMA { $$ = make_statement_pragma($1); }
376 ;
377
378 typedecl:
379 enumdef
380 | tENUM aIDENTIFIER { $$ = type_new_enum($2, current_namespace, FALSE, NULL); }
381 | structdef
382 | tSTRUCT aIDENTIFIER { $$ = type_new_struct($2, current_namespace, FALSE, NULL); }
383 | uniondef
384 | tUNION aIDENTIFIER { $$ = type_new_nonencapsulated_union($2, FALSE, NULL); }
385 | attributes enumdef { $$ = $2; $$->attrs = check_enum_attrs($1); }
386 | attributes structdef { $$ = $2; $$->attrs = check_struct_attrs($1); }
387 | attributes uniondef { $$ = $2; $$->attrs = check_union_attrs($1); }
388 ;
389
390 cppquote: tCPPQUOTE '(' aSTRING ')' { $$ = $3; }
391 ;
392 import_start: tIMPORT aSTRING ';' { assert(yychar == YYEMPTY);
393 $$ = xmalloc(sizeof(struct _import_t));
394 $$->name = $2;
395 $$->import_performed = do_import($2);
396 if (!$$->import_performed) yychar = aEOF;
397 }
398 ;
399
400 import: import_start imp_statements aEOF { $$ = $1->name;
401 if ($1->import_performed) pop_import();
402 free($1);
403 }
404 ;
405
406 importlib: tIMPORTLIB '(' aSTRING ')'
407 semicolon_opt { $$ = $3; if(!parse_only) add_importlib($3); }
408 ;
409
410 libraryhdr: tLIBRARY aIDENTIFIER { $$ = $2; }
411 ;
412 library_start: attributes libraryhdr '{' { $$ = make_library($2, check_library_attrs($2, $1));
413 if (!parse_only) start_typelib($$);
414 }
415 ;
416 librarydef: library_start imp_statements '}'
417 semicolon_opt { $$ = $1;
418 $$->stmts = $2;
419 if (!parse_only) end_typelib();
420 }
421 ;
422
423 m_args: { $$ = NULL; }
424 | args
425 ;
426
427 arg_list: arg { check_arg_attrs($1); $$ = append_var( NULL, $1 ); }
428 | arg_list ',' arg { check_arg_attrs($3); $$ = append_var( $1, $3 ); }
429 ;
430
431 args: arg_list
432 | arg_list ',' ELLIPSIS { $$ = append_var( $1, make_var(strdup("...")) ); }
433 ;
434
435 /* split into two rules to get bison to resolve a tVOID conflict */
436 arg: attributes decl_spec m_any_declarator { if ($2->stgclass != STG_NONE && $2->stgclass != STG_REGISTER)
437 error_loc("invalid storage class for function parameter\n");
438 $$ = declare_var($1, $2, $3, TRUE);
439 free($2); free($3);
440 }
441 | decl_spec m_any_declarator { if ($1->stgclass != STG_NONE && $1->stgclass != STG_REGISTER)
442 error_loc("invalid storage class for function parameter\n");
443 $$ = declare_var(NULL, $1, $2, TRUE);
444 free($1); free($2);
445 }
446 ;
447
448 array: '[' expr ']' { $$ = $2;
449 if (!$$->is_const)
450 error_loc("array dimension is not an integer constant\n");
451 }
452 | '[' '*' ']' { $$ = make_expr(EXPR_VOID); }
453 | '[' ']' { $$ = 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 '(' arg ')' { $$ = make_attrp(ATTR_IMPLICIT_HANDLE, $3); }
519 | tIN { $$ = 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 | tASYNCUUID '(' uuid_string ')' { $$ = make_attrp(ATTR_ASYNCUUID, $3); }
570 | tV1ENUM { $$ = make_attr(ATTR_V1ENUM); }
571 | tVARARG { $$ = make_attr(ATTR_VARARG); }
572 | tVERSION '(' version ')' { $$ = make_attrv(ATTR_VERSION, $3); }
573 | tVIPROGID '(' aSTRING ')' { $$ = make_attrp(ATTR_VIPROGID, $3); }
574 | tWIREMARSHAL '(' type ')' { $$ = make_attrp(ATTR_WIREMARSHAL, $3); }
575 | pointer_type { $$ = make_attrv(ATTR_POINTERTYPE, $1); }
576 ;
577
578 uuid_string:
579 aUUID
580 | aSTRING { if (!is_valid_uuid($1))
581 error_loc("invalid UUID: %s\n", $1);
582 $$ = parse_uuid($1); }
583 ;
584
585 callconv: tCDECL { $$ = xstrdup("__cdecl"); }
586 | tFASTCALL { $$ = xstrdup("__fastcall"); }
587 | tPASCAL { $$ = xstrdup("__pascal"); }
588 | tSTDCALL { $$ = xstrdup("__stdcall"); }
589 ;
590
591 cases: { $$ = NULL; }
592 | cases case { $$ = append_var( $1, $2 ); }
593 ;
594
595 case: tCASE expr_int_const ':' union_field { attr_t *a = make_attrp(ATTR_CASE, append_expr( NULL, $2 ));
596 $$ = $4; if (!$$) $$ = make_var(NULL);
597 $$->attrs = append_attr( $$->attrs, a );
598 }
599 | tDEFAULT ':' union_field { attr_t *a = make_attr(ATTR_DEFAULT);
600 $$ = $3; if (!$$) $$ = make_var(NULL);
601 $$->attrs = append_attr( $$->attrs, a );
602 }
603 ;
604
605 enums: { $$ = NULL; }
606 | enum_list ',' { $$ = $1; }
607 | enum_list
608 ;
609
610 enum_list: enum { if (!$1->eval)
611 $1->eval = make_exprl(EXPR_NUM, 0 /* default for first enum entry */);
612 $$ = append_var( NULL, $1 );
613 }
614 | enum_list ',' enum { if (!$3->eval)
615 {
616 var_t *last = LIST_ENTRY( list_tail($$), var_t, entry );
617 enum expr_type type = EXPR_NUM;
618 if (last->eval->type == EXPR_HEXNUM) type = EXPR_HEXNUM;
619 if (last->eval->cval + 1 < 0) type = EXPR_HEXNUM;
620 $3->eval = make_exprl(type, last->eval->cval + 1);
621 }
622 $$ = append_var( $1, $3 );
623 }
624 ;
625
626 enum: ident '=' expr_int_const { $$ = reg_const($1);
627 $$->eval = $3;
628 $$->type = type_new_int(TYPE_BASIC_INT, 0);
629 }
630 | ident { $$ = reg_const($1);
631 $$->type = type_new_int(TYPE_BASIC_INT, 0);
632 }
633 ;
634
635 enumdef: tENUM t_ident '{' enums '}' { $$ = type_new_enum($2, current_namespace, TRUE, $4); }
636 ;
637
638 m_exprs: m_expr { $$ = append_expr( NULL, $1 ); }
639 | m_exprs ',' m_expr { $$ = append_expr( $1, $3 ); }
640 ;
641
642 m_expr: { $$ = make_expr(EXPR_VOID); }
643 | expr
644 ;
645
646 expr: aNUM { $$ = make_exprl(EXPR_NUM, $1); }
647 | aHEXNUM { $$ = make_exprl(EXPR_HEXNUM, $1); }
648 | aDOUBLE { $$ = make_exprd(EXPR_DOUBLE, $1); }
649 | tFALSE { $$ = make_exprl(EXPR_TRUEFALSE, 0); }
650 | tNULL { $$ = make_exprl(EXPR_NUM, 0); }
651 | tTRUE { $$ = make_exprl(EXPR_TRUEFALSE, 1); }
652 | aSTRING { $$ = make_exprs(EXPR_STRLIT, $1); }
653 | aWSTRING { $$ = make_exprs(EXPR_WSTRLIT, $1); }
654 | aSQSTRING { $$ = make_exprs(EXPR_CHARCONST, $1); }
655 | aIDENTIFIER { $$ = make_exprs(EXPR_IDENTIFIER, $1); }
656 | expr '?' expr ':' expr { $$ = make_expr3(EXPR_COND, $1, $3, $5); }
657 | expr LOGICALOR expr { $$ = make_expr2(EXPR_LOGOR, $1, $3); }
658 | expr LOGICALAND expr { $$ = make_expr2(EXPR_LOGAND, $1, $3); }
659 | expr '|' expr { $$ = make_expr2(EXPR_OR , $1, $3); }
660 | expr '^' expr { $$ = make_expr2(EXPR_XOR, $1, $3); }
661 | expr '&' expr { $$ = make_expr2(EXPR_AND, $1, $3); }
662 | expr EQUALITY expr { $$ = make_expr2(EXPR_EQUALITY, $1, $3); }
663 | expr INEQUALITY expr { $$ = make_expr2(EXPR_INEQUALITY, $1, $3); }
664 | expr '>' expr { $$ = make_expr2(EXPR_GTR, $1, $3); }
665 | expr '<' expr { $$ = make_expr2(EXPR_LESS, $1, $3); }
666 | expr GREATEREQUAL expr { $$ = make_expr2(EXPR_GTREQL, $1, $3); }
667 | expr LESSEQUAL expr { $$ = make_expr2(EXPR_LESSEQL, $1, $3); }
668 | expr SHL expr { $$ = make_expr2(EXPR_SHL, $1, $3); }
669 | expr SHR expr { $$ = make_expr2(EXPR_SHR, $1, $3); }
670 | expr '+' expr { $$ = make_expr2(EXPR_ADD, $1, $3); }
671 | expr '-' expr { $$ = make_expr2(EXPR_SUB, $1, $3); }
672 | expr '%' expr { $$ = make_expr2(EXPR_MOD, $1, $3); }
673 | expr '*' expr { $$ = make_expr2(EXPR_MUL, $1, $3); }
674 | expr '/' expr { $$ = make_expr2(EXPR_DIV, $1, $3); }
675 | '!' expr { $$ = make_expr1(EXPR_LOGNOT, $2); }
676 | '~' expr { $$ = make_expr1(EXPR_NOT, $2); }
677 | '+' expr %prec POS { $$ = make_expr1(EXPR_POS, $2); }
678 | '-' expr %prec NEG { $$ = make_expr1(EXPR_NEG, $2); }
679 | '&' expr %prec ADDRESSOF { $$ = make_expr1(EXPR_ADDRESSOF, $2); }
680 | '*' expr %prec PPTR { $$ = make_expr1(EXPR_PPTR, $2); }
681 | expr MEMBERPTR aIDENTIFIER { $$ = make_expr2(EXPR_MEMBER, make_expr1(EXPR_PPTR, $1), make_exprs(EXPR_IDENTIFIER, $3)); }
682 | expr '.' aIDENTIFIER { $$ = make_expr2(EXPR_MEMBER, $1, make_exprs(EXPR_IDENTIFIER, $3)); }
683 | '(' decl_spec m_abstract_declarator ')' expr %prec CAST
684 { $$ = make_exprt(EXPR_CAST, declare_var(NULL, $2, $3, 0), $5); free($2); free($3); }
685 | tSIZEOF '(' decl_spec m_abstract_declarator ')'
686 { $$ = make_exprt(EXPR_SIZEOF, declare_var(NULL, $3, $4, 0), NULL); free($3); free($4); }
687 | expr '[' expr ']' { $$ = make_expr2(EXPR_ARRAY, $1, $3); }
688 | '(' expr ')' { $$ = $2; }
689 ;
690
691 expr_list_int_const: expr_int_const { $$ = append_expr( NULL, $1 ); }
692 | expr_list_int_const ',' expr_int_const { $$ = append_expr( $1, $3 ); }
693 ;
694
695 expr_int_const: expr { $$ = $1;
696 if (!$$->is_const)
697 error_loc("expression is not an integer constant\n");
698 }
699 ;
700
701 expr_const: expr { $$ = $1;
702 if (!$$->is_const && $$->type != EXPR_STRLIT && $$->type != EXPR_WSTRLIT)
703 error_loc("expression is not constant\n");
704 }
705 ;
706
707 fields: { $$ = NULL; }
708 | fields field { $$ = append_var_list($1, $2); }
709 ;
710
711 field: m_attributes decl_spec struct_declarator_list ';'
712 { const char *first = LIST_ENTRY(list_head($3), declarator_t, entry)->var->name;
713 check_field_attrs(first, $1);
714 $$ = set_var_types($1, $2, $3);
715 }
716 | m_attributes uniondef ';' { var_t *v = make_var(NULL);
717 v->type = $2; v->attrs = $1;
718 $$ = append_var(NULL, v);
719 }
720 ;
721
722 ne_union_field:
723 s_field ';' { $$ = $1; }
724 | attributes ';' { $$ = make_var(NULL); $$->attrs = $1; }
725 ;
726
727 ne_union_fields: { $$ = NULL; }
728 | ne_union_fields ne_union_field { $$ = append_var( $1, $2 ); }
729 ;
730
731 union_field:
732 s_field ';' { $$ = $1; }
733 | ';' { $$ = NULL; }
734 ;
735
736 s_field: m_attributes decl_spec declarator { $$ = declare_var(check_field_attrs($3->var->name, $1),
737 $2, $3, FALSE);
738 free($3);
739 }
740 | m_attributes structdef { var_t *v = make_var(NULL);
741 v->type = $2; v->attrs = $1;
742 $$ = v;
743 }
744 ;
745
746 funcdef: declaration { $$ = $1;
747 if (type_get_type($$->type) != TYPE_FUNCTION)
748 error_loc("only methods may be declared inside the methods section of a dispinterface\n");
749 check_function_attrs($$->name, $$->attrs);
750 }
751 ;
752
753 declaration:
754 attributes decl_spec init_declarator
755 { $$ = declare_var($1, $2, $3, FALSE);
756 free($3);
757 }
758 | decl_spec init_declarator { $$ = declare_var(NULL, $1, $2, FALSE);
759 free($2);
760 }
761 ;
762
763 m_ident: { $$ = NULL; }
764 | ident
765 ;
766
767 t_ident: { $$ = NULL; }
768 | aIDENTIFIER { $$ = $1; }
769 | aKNOWNTYPE { $$ = $1; }
770 ;
771
772 ident: aIDENTIFIER { $$ = make_var($1); }
773 /* some "reserved words" used in attributes are also used as field names in some MS IDL files */
774 | aKNOWNTYPE { $$ = make_var($<str>1); }
775 ;
776
777 base_type: tBYTE { $$ = find_type_or_error($<str>1, 0); }
778 | tWCHAR { $$ = find_type_or_error($<str>1, 0); }
779 | int_std
780 | tSIGNED int_std { $$ = type_new_int(type_basic_get_type($2), -1); }
781 | tUNSIGNED int_std { $$ = type_new_int(type_basic_get_type($2), 1); }
782 | tUNSIGNED { $$ = type_new_int(TYPE_BASIC_INT, 1); }
783 | tFLOAT { $$ = find_type_or_error($<str>1, 0); }
784 | tDOUBLE { $$ = find_type_or_error($<str>1, 0); }
785 | tBOOLEAN { $$ = find_type_or_error($<str>1, 0); }
786 | tERRORSTATUST { $$ = find_type_or_error($<str>1, 0); }
787 | tHANDLET { $$ = find_type_or_error($<str>1, 0); }
788 ;
789
790 m_int:
791 | tINT
792 ;
793
794 int_std: tINT { $$ = type_new_int(TYPE_BASIC_INT, 0); }
795 | tSHORT m_int { $$ = type_new_int(TYPE_BASIC_INT16, 0); }
796 | tSMALL { $$ = type_new_int(TYPE_BASIC_INT8, 0); }
797 | tLONG m_int { $$ = type_new_int(TYPE_BASIC_INT32, 0); }
798 | tHYPER m_int { $$ = type_new_int(TYPE_BASIC_HYPER, 0); }
799 | tINT64 { $$ = type_new_int(TYPE_BASIC_INT64, 0); }
800 | tCHAR { $$ = type_new_int(TYPE_BASIC_CHAR, 0); }
801 | tINT3264 { $$ = type_new_int(TYPE_BASIC_INT3264, 0); }
802 ;
803
804 coclass: tCOCLASS aIDENTIFIER { $$ = type_new_coclass($2); }
805 | tCOCLASS aKNOWNTYPE { $$ = find_type($2, NULL, 0);
806 if (type_get_type_detect_alias($$) != TYPE_COCLASS)
807 error_loc("%s was not declared a coclass at %s:%d\n",
808 $2, $$->loc_info.input_name,
809 $$->loc_info.line_number);
810 }
811 ;
812
813 coclasshdr: attributes coclass { $$ = $2;
814 check_def($$);
815 $$->attrs = check_coclass_attrs($2->name, $1);
816 }
817 ;
818
819 coclassdef: coclasshdr '{' coclass_ints '}' semicolon_opt
820 { $$ = type_coclass_define($1, $3); }
821 ;
822
823 namespacedef: tNAMESPACE aIDENTIFIER { $$ = $2; }
824 ;
825
826 coclass_ints: { $$ = NULL; }
827 | coclass_ints coclass_int { $$ = append_ifref( $1, $2 ); }
828 ;
829
830 coclass_int:
831 m_attributes interfacedec { $$ = make_ifref($2); $$->attrs = $1; }
832 ;
833
834 dispinterface: tDISPINTERFACE aIDENTIFIER { $$ = get_type(TYPE_INTERFACE, $2, current_namespace, 0); }
835 | tDISPINTERFACE aKNOWNTYPE { $$ = get_type(TYPE_INTERFACE, $2, current_namespace, 0); }
836 ;
837
838 dispinterfacehdr: attributes dispinterface { attr_t *attrs;
839 $$ = $2;
840 check_def($$);
841 attrs = make_attr(ATTR_DISPINTERFACE);
842 $$->attrs = append_attr( check_dispiface_attrs($2->name, $1), attrs );
843 $$->defined = TRUE;
844 }
845 ;
846
847 dispint_props: tPROPERTIES ':' { $$ = NULL; }
848 | dispint_props s_field ';' { $$ = append_var( $1, $2 ); }
849 ;
850
851 dispint_meths: tMETHODS ':' { $$ = NULL; }
852 | dispint_meths funcdef ';' { $$ = append_var( $1, $2 ); }
853 ;
854
855 dispinterfacedef: dispinterfacehdr '{'
856 dispint_props
857 dispint_meths
858 '}' { $$ = $1;
859 type_dispinterface_define($$, $3, $4);
860 }
861 | dispinterfacehdr
862 '{' interface ';' '}' { $$ = $1;
863 type_dispinterface_define_from_iface($$, $3);
864 }
865 ;
866
867 inherit: { $$ = NULL; }
868 | ':' aKNOWNTYPE { $$ = find_type_or_error2($2, 0); }
869 ;
870
871 interface: tINTERFACE aIDENTIFIER { $$ = get_type(TYPE_INTERFACE, $2, current_namespace, 0); }
872 | tINTERFACE aKNOWNTYPE { $$ = get_type(TYPE_INTERFACE, $2, current_namespace, 0); }
873 ;
874
875 interfacehdr: attributes interface { $$.interface = $2;
876 $$.old_pointer_default = pointer_default;
877 if (is_attr($1, ATTR_POINTERDEFAULT))
878 pointer_default = get_attrv($1, ATTR_POINTERDEFAULT);
879 check_def($2);
880 $2->attrs = check_iface_attrs($2->name, $1);
881 $2->defined = TRUE;
882 }
883 ;
884
885 interfacedef: interfacehdr inherit
886 '{' int_statements '}' semicolon_opt { $$ = $1.interface;
887 if($$ == $2)
888 error_loc("Interface can't inherit from itself\n");
889 type_interface_define($$, $2, $4);
890 pointer_default = $1.old_pointer_default;
891 }
892 /* MIDL is able to import the definition of a base class from inside the
893 * definition of a derived class, I'll try to support it with this rule */
894 | interfacehdr ':' aIDENTIFIER
895 '{' import int_statements '}'
896 semicolon_opt { $$ = $1.interface;
897 type_interface_define($$, find_type_or_error2($3, 0), $6);
898 pointer_default = $1.old_pointer_default;
899 }
900 | dispinterfacedef semicolon_opt { $$ = $1; }
901 ;
902
903 interfacedec:
904 interface ';' { $$ = $1; }
905 | dispinterface ';' { $$ = $1; }
906 ;
907
908 module: tMODULE aIDENTIFIER { $$ = type_new_module($2); }
909 | tMODULE aKNOWNTYPE { $$ = type_new_module($2); }
910 ;
911
912 modulehdr: attributes module { $$ = $2;
913 $$->attrs = check_module_attrs($2->name, $1);
914 }
915 ;
916
917 moduledef: modulehdr '{' int_statements '}'
918 semicolon_opt { $$ = $1;
919 type_module_define($$, $3);
920 }
921 ;
922
923 storage_cls_spec:
924 tEXTERN { $$ = STG_EXTERN; }
925 | tSTATIC { $$ = STG_STATIC; }
926 | tREGISTER { $$ = STG_REGISTER; }
927 ;
928
929 function_specifier:
930 tINLINE { $$ = make_attr(ATTR_INLINE); }
931 ;
932
933 type_qualifier:
934 tCONST { $$ = make_attr(ATTR_CONST); }
935 ;
936
937 m_type_qual_list: { $$ = NULL; }
938 | m_type_qual_list type_qualifier { $$ = append_attr($1, $2); }
939 ;
940
941 decl_spec: type m_decl_spec_no_type { $$ = make_decl_spec($1, $2, NULL, NULL, STG_NONE); }
942 | decl_spec_no_type type m_decl_spec_no_type
943 { $$ = make_decl_spec($2, $1, $3, NULL, STG_NONE); }
944 ;
945
946 m_decl_spec_no_type: { $$ = NULL; }
947 | decl_spec_no_type
948 ;
949
950 decl_spec_no_type:
951 type_qualifier m_decl_spec_no_type { $$ = make_decl_spec(NULL, $2, NULL, $1, STG_NONE); }
952 | function_specifier m_decl_spec_no_type { $$ = make_decl_spec(NULL, $2, NULL, $1, STG_NONE); }
953 | storage_cls_spec m_decl_spec_no_type { $$ = make_decl_spec(NULL, $2, NULL, NULL, $1); }
954 ;
955
956 declarator:
957 '*' m_type_qual_list declarator %prec PPTR
958 { $$ = $3; $$->type = append_ptrchain_type($$->type, type_new_pointer(pointer_default, NULL, $2)); }
959 | callconv declarator { $$ = $2; if ($$->func_type) $$->func_type->attrs = append_attr($$->func_type->attrs, make_attrp(ATTR_CALLCONV, $1));
960 else if ($$->type) $$->type->attrs = append_attr($$->type->attrs, make_attrp(ATTR_CALLCONV, $1)); }
961 | direct_declarator
962 ;
963
964 direct_declarator:
965 ident { $$ = make_declarator($1); }
966 | '(' declarator ')' { $$ = $2; }
967 | direct_declarator array { $$ = $1; $$->array = append_array($$->array, $2); }
968 | direct_declarator '(' m_args ')' { $$ = $1;
969 $$->func_type = append_ptrchain_type($$->type, type_new_function($3));
970 $$->type = NULL;
971 }
972 ;
973
974 /* abstract declarator */
975 abstract_declarator:
976 '*' m_type_qual_list m_abstract_declarator %prec PPTR
977 { $$ = $3; $$->type = append_ptrchain_type($$->type, type_new_pointer(pointer_default, NULL, $2)); }
978 | callconv m_abstract_declarator { $$ = $2; if ($$->func_type) $$->func_type->attrs = append_attr($$->func_type->attrs, make_attrp(ATTR_CALLCONV, $1));
979 else if ($$->type) $$->type->attrs = append_attr($$->type->attrs, make_attrp(ATTR_CALLCONV, $1)); }
980 | abstract_direct_declarator
981 ;
982
983 /* abstract declarator without accepting direct declarator */
984 abstract_declarator_no_direct:
985 '*' m_type_qual_list m_any_declarator %prec PPTR
986 { $$ = $3; $$->type = append_ptrchain_type($$->type, type_new_pointer(pointer_default, NULL, $2)); }
987 | callconv m_any_declarator { $$ = $2; if ($$->func_type) $$->func_type->attrs = append_attr($$->func_type->attrs, make_attrp(ATTR_CALLCONV, $1));
988 else if ($$->type) $$->type->attrs = append_attr($$->type->attrs, make_attrp(ATTR_CALLCONV, $1)); }
989 ;
990
991 /* abstract declarator or empty */
992 m_abstract_declarator: { $$ = make_declarator(NULL); }
993 | abstract_declarator
994 ;
995
996 /* abstract direct declarator */
997 abstract_direct_declarator:
998 '(' abstract_declarator_no_direct ')' { $$ = $2; }
999 | abstract_direct_declarator array { $$ = $1; $$->array = append_array($$->array, $2); }
1000 | array { $$ = make_declarator(NULL); $$->array = append_array($$->array, $1); }
1001 | '(' m_args ')'
1002 { $$ = make_declarator(NULL);
1003 $$->func_type = append_ptrchain_type($$->type, type_new_function($2));
1004 $$->type = NULL;
1005 }
1006 | abstract_direct_declarator '(' m_args ')'
1007 { $$ = $1;
1008 $$->func_type = append_ptrchain_type($$->type, type_new_function($3));
1009 $$->type = NULL;
1010 }
1011 ;
1012
1013 /* abstract or non-abstract declarator */
1014 any_declarator:
1015 '*' m_type_qual_list m_any_declarator %prec PPTR
1016 { $$ = $3; $$->type = append_ptrchain_type($$->type, type_new_pointer(pointer_default, NULL, $2)); }
1017 | callconv m_any_declarator { $$ = $2; $$->type->attrs = append_attr($$->type->attrs, make_attrp(ATTR_CALLCONV, $1)); }
1018 | any_direct_declarator
1019 ;
1020
1021 /* abstract or non-abstract declarator without accepting direct declarator */
1022 any_declarator_no_direct:
1023 '*' m_type_qual_list m_any_declarator %prec PPTR
1024 { $$ = $3; $$->type = append_ptrchain_type($$->type, type_new_pointer(pointer_default, NULL, $2)); }
1025 | callconv m_any_declarator { $$ = $2; $$->type->attrs = append_attr($$->type->attrs, make_attrp(ATTR_CALLCONV, $1)); }
1026 ;
1027
1028 /* abstract or non-abstract declarator or empty */
1029 m_any_declarator: { $$ = make_declarator(NULL); }
1030 | any_declarator
1031 ;
1032
1033 /* abstract or non-abstract direct declarator. note: direct declarators
1034 * aren't accepted inside brackets to avoid ambiguity with the rule for
1035 * function arguments */
1036 any_direct_declarator:
1037 ident { $$ = make_declarator($1); }
1038 | '(' any_declarator_no_direct ')' { $$ = $2; }
1039 | any_direct_declarator array { $$ = $1; $$->array = append_array($$->array, $2); }
1040 | array { $$ = make_declarator(NULL); $$->array = append_array($$->array, $1); }
1041 | '(' m_args ')'
1042 { $$ = make_declarator(NULL);
1043 $$->func_type = append_ptrchain_type($$->type, type_new_function($2));
1044 $$->type = NULL;
1045 }
1046 | any_direct_declarator '(' m_args ')'
1047 { $$ = $1;
1048 $$->func_type = append_ptrchain_type($$->type, type_new_function($3));
1049 $$->type = NULL;
1050 }
1051 ;
1052
1053 declarator_list:
1054 declarator { $$ = append_declarator( NULL, $1 ); }
1055 | declarator_list ',' declarator { $$ = append_declarator( $1, $3 ); }
1056 ;
1057
1058 m_bitfield: { $$ = NULL; }
1059 | ':' expr_const { $$ = $2; }
1060 ;
1061
1062 struct_declarator: any_declarator m_bitfield { $$ = $1; $$->bits = $2;
1063 if (!$$->bits && !$$->var->name)
1064 error_loc("unnamed fields are not allowed\n");
1065 }
1066 ;
1067
1068 struct_declarator_list:
1069 struct_declarator { $$ = append_declarator( NULL, $1 ); }
1070 | struct_declarator_list ',' struct_declarator
1071 { $$ = append_declarator( $1, $3 ); }
1072 ;
1073
1074 init_declarator:
1075 declarator { $$ = $1; }
1076 | declarator '=' expr_const { $$ = $1; $1->var->eval = $3; }
1077 ;
1078
1079 threading_type:
1080 tAPARTMENT { $$ = THREADING_APARTMENT; }
1081 | tNEUTRAL { $$ = THREADING_NEUTRAL; }
1082 | tSINGLE { $$ = THREADING_SINGLE; }
1083 | tFREE { $$ = THREADING_FREE; }
1084 | tBOTH { $$ = THREADING_BOTH; }
1085 ;
1086
1087 pointer_type:
1088 tREF { $$ = RPC_FC_RP; }
1089 | tUNIQUE { $$ = RPC_FC_UP; }
1090 | tPTR { $$ = RPC_FC_FP; }
1091 ;
1092
1093 structdef: tSTRUCT t_ident '{' fields '}' { $$ = type_new_struct($2, current_namespace, TRUE, $4); }
1094 ;
1095
1096 type: tVOID { $$ = type_new_void(); }
1097 | aKNOWNTYPE { $$ = find_type_or_error($1, 0); }
1098 | base_type { $$ = $1; }
1099 | enumdef { $$ = $1; }
1100 | tENUM aIDENTIFIER { $$ = type_new_enum($2, current_namespace, FALSE, NULL); }
1101 | structdef { $$ = $1; }
1102 | tSTRUCT aIDENTIFIER { $$ = type_new_struct($2, current_namespace, FALSE, NULL); }
1103 | uniondef { $$ = $1; }
1104 | tUNION aIDENTIFIER { $$ = type_new_nonencapsulated_union($2, FALSE, NULL); }
1105 | tSAFEARRAY '(' type ')' { $$ = make_safearray($3); }
1106 ;
1107
1108 typedef: m_attributes tTYPEDEF m_attributes decl_spec declarator_list
1109 { $1 = append_attribs($1, $3);
1110 reg_typedefs($4, $5, check_typedef_attrs($1));
1111 $$ = make_statement_typedef($5);
1112 }
1113 ;
1114
1115 uniondef: tUNION t_ident '{' ne_union_fields '}'
1116 { $$ = type_new_nonencapsulated_union($2, TRUE, $4); }
1117 | tUNION t_ident
1118 tSWITCH '(' s_field ')'
1119 m_ident '{' cases '}' { $$ = type_new_encapsulated_union($2, $5, $7, $9); }
1120 ;
1121
1122 version:
1123 aNUM { $$ = MAKEVERSION($1, 0); }
1124 | aNUM '.' aNUM { $$ = MAKEVERSION($1, $3); }
1125 | aHEXNUM { $$ = $1; }
1126 ;
1127
1128 %%
1129
1130 static void decl_builtin_basic(const char *name, enum type_basic_type type)
1131 {
1132 type_t *t = type_new_basic(type);
1133 reg_type(t, name, NULL, 0);
1134 }
1135
1136 static void decl_builtin_alias(const char *name, type_t *t)
1137 {
1138 reg_type(type_new_alias(t, name), name, NULL, 0);
1139 }
1140
1141 void init_types(void)
1142 {
1143 decl_builtin_basic("byte", TYPE_BASIC_BYTE);
1144 decl_builtin_basic("wchar_t", TYPE_BASIC_WCHAR);
1145 decl_builtin_basic("float", TYPE_BASIC_FLOAT);
1146 decl_builtin_basic("double", TYPE_BASIC_DOUBLE);
1147 decl_builtin_basic("error_status_t", TYPE_BASIC_ERROR_STATUS_T);
1148 decl_builtin_basic("handle_t", TYPE_BASIC_HANDLE);
1149 decl_builtin_alias("boolean", type_new_basic(TYPE_BASIC_BYTE));
1150 }
1151
1152 static str_list_t *append_str(str_list_t *list, char *str)
1153 {
1154 struct str_list_entry_t *entry;
1155
1156 if (!str) return list;
1157 if (!list)
1158 {
1159 list = xmalloc( sizeof(*list) );
1160 list_init( list );
1161 }
1162 entry = xmalloc( sizeof(*entry) );
1163 entry->str = str;
1164 list_add_tail( list, &entry->entry );
1165 return list;
1166 }
1167
1168 static attr_list_t *append_attr(attr_list_t *list, attr_t *attr)
1169 {
1170 attr_t *attr_existing;
1171 if (!attr) return list;
1172 if (!list)
1173 {
1174 list = xmalloc( sizeof(*list) );
1175 list_init( list );
1176 }
1177 LIST_FOR_EACH_ENTRY(attr_existing, list, attr_t, entry)
1178 if (attr_existing->type == attr->type)
1179 {
1180 parser_warning("duplicate attribute %s\n", get_attr_display_name(attr->type));
1181 /* use the last attribute, like MIDL does */
1182 list_remove(&attr_existing->entry);
1183 break;
1184 }
1185 list_add_tail( list, &attr->entry );
1186 return list;
1187 }
1188
1189 static attr_list_t *move_attr(attr_list_t *dst, attr_list_t *src, enum attr_type type)
1190 {
1191 attr_t *attr;
1192 if (!src) return dst;
1193 LIST_FOR_EACH_ENTRY(attr, src, attr_t, entry)
1194 if (attr->type == type)
1195 {
1196 list_remove(&attr->entry);
1197 return append_attr(dst, attr);
1198 }
1199 return dst;
1200 }
1201
1202 static attr_list_t *append_attr_list(attr_list_t *new_list, attr_list_t *old_list)
1203 {
1204 struct list *entry;
1205
1206 if (!old_list) return new_list;
1207
1208 while ((entry = list_head(old_list)))
1209 {
1210 attr_t *attr = LIST_ENTRY(entry, attr_t, entry);
1211 list_remove(entry);
1212 new_list = append_attr(new_list, attr);
1213 }
1214 return new_list;
1215 }
1216
1217 static attr_list_t *dupattrs(const attr_list_t *list)
1218 {
1219 attr_list_t *new_list;
1220 const attr_t *attr;
1221
1222 if (!list) return NULL;
1223
1224 new_list = xmalloc( sizeof(*list) );
1225 list_init( new_list );
1226 LIST_FOR_EACH_ENTRY(attr, list, const attr_t, entry)
1227 {
1228 attr_t *new_attr = xmalloc(sizeof(*new_attr));
1229 *new_attr = *attr;
1230 list_add_tail(new_list, &new_attr->entry);
1231 }
1232 return new_list;
1233 }
1234
1235 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)
1236 {
1237 decl_spec_t *declspec = left ? left : right;
1238 if (!declspec)
1239 {
1240 declspec = xmalloc(sizeof(*declspec));
1241 declspec->type = NULL;
1242 declspec->attrs = NULL;
1243 declspec->stgclass = STG_NONE;
1244 }
1245 declspec->type = type;
1246 if (left && declspec != left)
1247 {
1248 declspec->attrs = append_attr_list(declspec->attrs, left->attrs);
1249 if (declspec->stgclass == STG_NONE)
1250 declspec->stgclass = left->stgclass;
1251 else if (left->stgclass != STG_NONE)
1252 error_loc("only one storage class can be specified\n");
1253 assert(!left->type);
1254 free(left);
1255 }
1256 if (right && declspec != right)
1257 {
1258 declspec->attrs = append_attr_list(declspec->attrs, right->attrs);
1259 if (declspec->stgclass == STG_NONE)
1260 declspec->stgclass = right->stgclass;
1261 else if (right->stgclass != STG_NONE)
1262 error_loc("only one storage class can be specified\n");
1263 assert(!right->type);
1264 free(right);
1265 }
1266
1267 declspec->attrs = append_attr(declspec->attrs, attr);
1268 if (declspec->stgclass == STG_NONE)
1269 declspec->stgclass = stgclass;
1270 else if (stgclass != STG_NONE)
1271 error_loc("only one storage class can be specified\n");
1272
1273 /* apply attributes to type */
1274 if (type && declspec->attrs)
1275 {
1276 attr_list_t *attrs;
1277 declspec->type = duptype(type, 1);
1278 attrs = dupattrs(type->attrs);
1279 declspec->type->attrs = append_attr_list(attrs, declspec->attrs);
1280 declspec->attrs = NULL;
1281 }
1282
1283 return declspec;
1284 }
1285
1286 static attr_t *make_attr(enum attr_type type)
1287 {
1288 attr_t *a = xmalloc(sizeof(attr_t));
1289 a->type = type;
1290 a->u.ival = 0;
1291 return a;
1292 }
1293
1294 static attr_t *make_attrv(enum attr_type type, unsigned int val)
1295 {
1296 attr_t *a = xmalloc(sizeof(attr_t));
1297 a->type = type;
1298 a->u.ival = val;
1299 return a;
1300 }
1301
1302 static attr_t *make_attrp(enum attr_type type, void *val)
1303 {
1304 attr_t *a = xmalloc(sizeof(attr_t));
1305 a->type = type;
1306 a->u.pval = val;
1307 return a;
1308 }
1309
1310 static expr_list_t *append_expr(expr_list_t *list, expr_t *expr)
1311 {
1312 if (!expr) return list;
1313 if (!list)
1314 {
1315 list = xmalloc( sizeof(*list) );
1316 list_init( list );
1317 }
1318 list_add_tail( list, &expr->entry );
1319 return list;
1320 }
1321
1322 static array_dims_t *append_array(array_dims_t *list, expr_t *expr)
1323 {
1324 if (!expr) return list;
1325 if (!list)
1326 {
1327 list = xmalloc( sizeof(*list) );
1328 list_init( list );
1329 }
1330 list_add_tail( list, &expr->entry );
1331 return list;
1332 }
1333
1334 static struct list type_pool = LIST_INIT(type_pool);
1335 typedef struct
1336 {
1337 type_t data;
1338 struct list link;
1339 } type_pool_node_t;
1340
1341 type_t *alloc_type(void)
1342 {
1343 type_pool_node_t *node = xmalloc(sizeof *node);
1344 list_add_tail(&type_pool, &node->link);
1345 return &node->data;
1346 }
1347
1348 void set_all_tfswrite(int val)
1349 {
1350 type_pool_node_t *node;
1351 LIST_FOR_EACH_ENTRY(node, &type_pool, type_pool_node_t, link)
1352 node->data.tfswrite = val;
1353 }
1354
1355 void clear_all_offsets(void)
1356 {
1357 type_pool_node_t *node;
1358 LIST_FOR_EACH_ENTRY(node, &type_pool, type_pool_node_t, link)
1359 node->data.typestring_offset = node->data.ptrdesc = 0;
1360 }
1361
1362 static void type_function_add_head_arg(type_t *type, var_t *arg)
1363 {
1364 if (!type->details.function->args)
1365 {
1366 type->details.function->args = xmalloc( sizeof(*type->details.function->args) );
1367 list_init( type->details.function->args );
1368 }
1369 list_add_head( type->details.function->args, &arg->entry );
1370 }
1371
1372 static int is_allowed_range_type(const type_t *type)
1373 {
1374 switch (type_get_type(type))
1375 {
1376 case TYPE_ENUM:
1377 return TRUE;
1378 case TYPE_BASIC:
1379 switch (type_basic_get_type(type))
1380 {
1381 case TYPE_BASIC_INT8:
1382 case TYPE_BASIC_INT16:
1383 case TYPE_BASIC_INT32:
1384 case TYPE_BASIC_INT64:
1385 case TYPE_BASIC_INT:
1386 case TYPE_BASIC_INT3264:
1387 case TYPE_BASIC_BYTE:
1388 case TYPE_BASIC_CHAR:
1389 case TYPE_BASIC_WCHAR:
1390 case TYPE_BASIC_HYPER:
1391 return TRUE;
1392 case TYPE_BASIC_FLOAT:
1393 case TYPE_BASIC_DOUBLE:
1394 case TYPE_BASIC_ERROR_STATUS_T:
1395 case TYPE_BASIC_HANDLE:
1396 return FALSE;
1397 }
1398 return FALSE;
1399 default:
1400 return FALSE;
1401 }
1402 }
1403
1404 static type_t *append_ptrchain_type(type_t *ptrchain, type_t *type)
1405 {
1406 type_t *ptrchain_type;
1407 if (!ptrchain)
1408 return type;
1409 for (ptrchain_type = ptrchain; type_pointer_get_ref(ptrchain_type); ptrchain_type = type_pointer_get_ref(ptrchain_type))
1410 ;
1411 assert(ptrchain_type->type_type == TYPE_POINTER);
1412 ptrchain_type->details.pointer.ref = type;
1413 return ptrchain;
1414 }
1415
1416 static var_t *declare_var(attr_list_t *attrs, decl_spec_t *decl_spec, const declarator_t *decl,
1417 int top)
1418 {
1419 var_t *v = decl->var;
1420 expr_list_t *sizes = get_attrp(attrs, ATTR_SIZEIS);
1421 expr_list_t *lengs = get_attrp(attrs, ATTR_LENGTHIS);
1422 int sizeless;
1423 expr_t *dim;
1424 type_t **ptype;
1425 array_dims_t *arr = decl ? decl->array : NULL;
1426 type_t *func_type = decl ? decl->func_type : NULL;
1427 type_t *type = decl_spec->type;
1428
1429 if (is_attr(type->attrs, ATTR_INLINE))
1430 {
1431 if (!func_type)
1432 error_loc("inline attribute applied to non-function type\n");
1433 else
1434 {
1435 type_t *t;
1436 /* move inline attribute from return type node to function node */
1437 for (t = func_type; is_ptr(t); t = type_pointer_get_ref(t))
1438 ;
1439 t->attrs = move_attr(t->attrs, type->attrs, ATTR_INLINE);
1440 }
1441 }
1442
1443 /* add type onto the end of the pointers in pident->type */
1444 v->type = append_ptrchain_type(decl ? decl->type : NULL, type);
1445 v->stgclass = decl_spec->stgclass;
1446 v->attrs = attrs;
1447
1448 /* check for pointer attribute being applied to non-pointer, non-array
1449 * type */
1450 if (!arr)
1451 {
1452 int ptr_attr = get_attrv(v->attrs, ATTR_POINTERTYPE);
1453 const type_t *ptr = NULL;
1454 /* pointer attributes on the left side of the type belong to the function
1455 * pointer, if one is being declared */
1456 type_t **pt = func_type ? &func_type : &v->type;
1457 for (ptr = *pt; ptr && !ptr_attr; )
1458 {
1459 ptr_attr = get_attrv(ptr->attrs, ATTR_POINTERTYPE);
1460 if (!ptr_attr && type_is_alias(ptr))
1461 ptr = type_alias_get_aliasee(ptr);
1462 else
1463 break;
1464 }
1465 if (is_ptr(ptr))
1466 {
1467 if (ptr_attr && ptr_attr != RPC_FC_UP &&
1468 type_get_type(type_pointer_get_ref(ptr)) == TYPE_INTERFACE)
1469 warning_loc_info(&v->loc_info,
1470 "%s: pointer attribute applied to interface "
1471 "pointer type has no effect\n", v->name);
1472 if (!ptr_attr && top && (*pt)->details.pointer.def_fc != RPC_FC_RP)
1473 {
1474 /* FIXME: this is a horrible hack to cope with the issue that we
1475 * store an offset to the typeformat string in the type object, but
1476 * two typeformat strings may be written depending on whether the
1477 * pointer is a toplevel parameter or not */
1478 *pt = duptype(*pt, 1);
1479 }
1480 }
1481 else if (ptr_attr)
1482 error_loc("%s: pointer attribute applied to non-pointer type\n", v->name);
1483 }
1484
1485 if (is_attr(v->attrs, ATTR_STRING))
1486 {
1487 type_t *t = type;
1488
1489 if (!is_ptr(v->type) && !arr)
1490 error_loc("'%s': [string] attribute applied to non-pointer, non-array type\n",
1491 v->name);
1492
1493 while (is_ptr(t))
1494 t = type_pointer_get_ref(t);
1495
1496 if (type_get_type(t) != TYPE_BASIC &&
1497 (get_basic_fc(t) != RPC_FC_CHAR &&
1498 get_basic_fc(t) != RPC_FC_BYTE &&
1499 get_basic_fc(t) != RPC_FC_WCHAR))
1500 {
1501 error_loc("'%s': [string] attribute is only valid on 'char', 'byte', or 'wchar_t' pointers and arrays\n",
1502 v->name);
1503 }
1504 }
1505
1506 if (is_attr(v->attrs, ATTR_V1ENUM))
1507 {
1508 if (type_get_type_detect_alias(v->type) != TYPE_ENUM)
1509 error_loc("'%s': [v1_enum] attribute applied to non-enum type\n", v->name);
1510 }
1511
1512 if (is_attr(v->attrs, ATTR_RANGE) && !is_allowed_range_type(v->type))
1513 error_loc("'%s': [range] attribute applied to non-integer type\n",
1514 v->name);
1515
1516 ptype = &v->type;
1517 sizeless = FALSE;
1518 if (arr) LIST_FOR_EACH_ENTRY_REV(dim, arr, expr_t, entry)
1519 {
1520 if (sizeless)
1521 error_loc("%s: only the first array dimension can be unspecified\n", v->name);
1522
1523 if (dim->is_const)
1524 {
1525 if (dim->cval <= 0)
1526 error_loc("%s: array dimension must be positive\n", v->name);
1527
1528 /* FIXME: should use a type_memsize that allows us to pass in a pointer size */
1529 if (0)
1530 {
1531 unsigned int size = type_memsize(v->type);
1532
1533 if (0xffffffffu / size < dim->cval)
1534 error_loc("%s: total array size is too large\n", v->name);
1535 }
1536 }
1537 else
1538 sizeless = TRUE;
1539
1540 *ptype = type_new_array(NULL, *ptype, FALSE,
1541 dim->is_const ? dim->cval : 0,
1542 dim->is_const ? NULL : dim, NULL,
1543 pointer_default);
1544 }
1545
1546 ptype = &v->type;
1547 if (sizes) LIST_FOR_EACH_ENTRY(dim, sizes, expr_t, entry)
1548 {
1549 if (dim->type != EXPR_VOID)
1550 {
1551 if (is_array(*ptype))
1552 {
1553 if (!type_array_get_conformance(*ptype) ||
1554 type_array_get_conformance(*ptype)->type != EXPR_VOID)
1555 error_loc("%s: cannot specify size_is for an already sized array\n", v->name);
1556 else
1557 *ptype = type_new_array((*ptype)->name,
1558 type_array_get_element(*ptype), FALSE,
1559 0, dim, NULL, 0);
1560 }
1561 else if (is_ptr(*ptype))
1562 *ptype = type_new_array((*ptype)->name, type_pointer_get_ref(*ptype), TRUE,
1563 0, dim, NULL, pointer_default);
1564 else
1565 error_loc("%s: size_is attribute applied to illegal type\n", v->name);
1566 }
1567
1568 if (is_ptr(*ptype))
1569 ptype = &(*ptype)->details.pointer.ref;
1570 else if (is_array(*ptype))
1571 ptype = &(*ptype)->details.array.elem;
1572 else
1573 error_loc("%s: too many expressions in size_is attribute\n", v->name);
1574 }
1575
1576 ptype = &v->type;
1577 if (lengs) LIST_FOR_EACH_ENTRY(dim, lengs, expr_t, entry)
1578 {
1579 if (dim->type != EXPR_VOID)
1580 {
1581 if (is_array(*ptype))
1582 {
1583 *ptype = type_new_array((*ptype)->name,
1584 type_array_get_element(*ptype),
1585 type_array_is_decl_as_ptr(*ptype),
1586 type_array_get_dim(*ptype),
1587 type_array_get_conformance(*ptype),
1588 dim, type_array_get_ptr_default_fc(*ptype));
1589 }
1590 else
1591 error_loc("%s: length_is attribute applied to illegal type\n", v->name);
1592 }
1593
1594 if (is_ptr(*ptype))
1595 ptype = &(*ptype)->details.pointer.ref;
1596 else if (is_array(*ptype))
1597 ptype = &(*ptype)->details.array.elem;
1598 else
1599 error_loc("%s: too many expressions in length_is attribute\n", v->name);
1600 }
1601
1602 /* v->type is currently pointing to the type on the left-side of the
1603 * declaration, so we need to fix this up so that it is the return type of the
1604 * function and make v->type point to the function side of the declaration */
1605 if (func_type)
1606 {
1607 type_t *ft, *t;
1608 type_t *return_type = v->type;
1609 v->type = func_type;
1610 for (ft = v->type; is_ptr(ft); ft = type_pointer_get_ref(ft))
1611 ;
1612 assert(type_get_type_detect_alias(ft) == TYPE_FUNCTION);
1613 ft->details.function->retval = make_var(xstrdup("_RetVal"));
1614 ft->details.function->retval->type = return_type;
1615 /* move calling convention attribute, if present, from pointer nodes to
1616 * function node */
1617 for (t = v->type; is_ptr(t); t = type_pointer_get_ref(t))
1618 ft->attrs = move_attr(ft->attrs, t->attrs, ATTR_CALLCONV);
1619 }
1620 else
1621 {
1622 type_t *t;
1623 for (t = v->type; is_ptr(t); t = type_pointer_get_ref(t))
1624 if (is_attr(t->attrs, ATTR_CALLCONV))
1625 error_loc("calling convention applied to non-function-pointer type\n");
1626 }
1627
1628 if (decl->bits)
1629 v->type = type_new_bitfield(v->type, decl->bits);
1630
1631 return v;
1632 }
1633
1634 static var_list_t *set_var_types(attr_list_t *attrs, decl_spec_t *decl_spec, declarator_list_t *decls)
1635 {
1636 declarator_t *decl, *next;
1637 var_list_t *var_list = NULL;
1638
1639 LIST_FOR_EACH_ENTRY_SAFE( decl, next, decls, declarator_t, entry )
1640 {
1641 var_t *var = declare_var(attrs, decl_spec, decl, 0);
1642 var_list = append_var(var_list, var);
1643 free(decl);
1644 }
1645 free(decl_spec);
1646 return var_list;
1647 }
1648
1649 static ifref_list_t *append_ifref(ifref_list_t *list, ifref_t *iface)
1650 {
1651 if (!iface) return list;
1652 if (!list)
1653 {
1654 list = xmalloc( sizeof(*list) );
1655 list_init( list );
1656 }
1657 list_add_tail( list, &iface->entry );
1658 return list;
1659 }
1660
1661 static ifref_t *make_ifref(type_t *iface)
1662 {
1663 ifref_t *l = xmalloc(sizeof(ifref_t));
1664 l->iface = iface;
1665 l->attrs = NULL;
1666 return l;
1667 }
1668
1669 var_list_t *append_var(var_list_t *list, var_t *var)
1670 {
1671 if (!var) return list;
1672 if (!list)
1673 {
1674 list = xmalloc( sizeof(*list) );
1675 list_init( list );
1676 }
1677 list_add_tail( list, &var->entry );
1678 return list;
1679 }
1680
1681 static var_list_t *append_var_list(var_list_t *list, var_list_t *vars)
1682 {
1683 if (!vars) return list;
1684 if (!list)
1685 {
1686 list = xmalloc( sizeof(*list) );
1687 list_init( list );
1688 }
1689 list_move_tail( list, vars );
1690 return list;
1691 }
1692
1693 var_t *make_var(char *name)
1694 {
1695 var_t *v = xmalloc(sizeof(var_t));
1696 v->name = name;
1697 v->type = NULL;
1698 v->attrs = NULL;
1699 v->eval = NULL;
1700 v->stgclass = STG_NONE;
1701 init_loc_info(&v->loc_info);
1702 return v;
1703 }
1704
1705 static declarator_list_t *append_declarator(declarator_list_t *list, declarator_t *d)
1706 {
1707 if (!d) return list;
1708 if (!list) {
1709 list = xmalloc(sizeof(*list));
1710 list_init(list);
1711 }
1712 list_add_tail(list, &d->entry);
1713 return list;
1714 }
1715
1716 static declarator_t *make_declarator(var_t *var)
1717 {
1718 declarator_t *d = xmalloc(sizeof(*d));
1719 d->var = var ? var : make_var(NULL);
1720 d->type = NULL;
1721 d->func_type = NULL;
1722 d->array = NULL;
1723 d->bits = NULL;
1724 return d;
1725 }
1726
1727 static type_t *make_safearray(type_t *type)
1728 {
1729 return type_new_array(NULL, type_new_alias(type, "SAFEARRAY"), TRUE, 0,
1730 NULL, NULL, RPC_FC_RP);
1731 }
1732
1733 static typelib_t *make_library(const char *name, const attr_list_t *attrs)
1734 {
1735 typelib_t *typelib = xmalloc(sizeof(*typelib));
1736 typelib->name = xstrdup(name);
1737 typelib->attrs = attrs;
1738 list_init( &typelib->importlibs );
1739 return typelib;
1740 }
1741
1742 static int hash_ident(const char *name)
1743 {
1744 const char *p = name;
1745 int sum = 0;
1746 /* a simple sum hash is probably good enough */
1747 while (*p) {
1748 sum += *p;
1749 p++;
1750 }
1751 return sum & (HASHMAX-1);
1752 }
1753
1754 /***** type repository *****/
1755
1756 static struct namespace *find_sub_namespace(struct namespace *namespace, const char *name)
1757 {
1758 struct namespace *cur;
1759
1760 LIST_FOR_EACH_ENTRY(cur, &namespace->children, struct namespace, entry) {
1761 if(!strcmp(cur->name, name))
1762 return cur;
1763 }
1764
1765 return NULL;
1766 }
1767
1768 static void push_namespace(const char *name)
1769 {
1770 struct namespace *namespace;
1771
1772 namespace = find_sub_namespace(current_namespace, name);
1773 if(!namespace) {
1774 namespace = xmalloc(sizeof(*namespace));
1775 namespace->name = xstrdup(name);
1776 namespace->parent = current_namespace;
1777 list_add_tail(&current_namespace->children, &namespace->entry);
1778 list_init(&namespace->children);
1779 memset(namespace->type_hash, 0, sizeof(namespace->type_hash));
1780 }
1781
1782 current_namespace = namespace;
1783 }
1784
1785 static void pop_namespace(const char *name)
1786 {
1787 assert(!strcmp(current_namespace->name, name) && current_namespace->parent);
1788 current_namespace = current_namespace->parent;
1789 }
1790
1791 struct rtype {
1792 const char *name;
1793 type_t *type;
1794 int t;
1795 struct rtype *next;
1796 };
1797
1798 type_t *reg_type(type_t *type, const char *name, struct namespace *namespace, int t)
1799 {
1800 struct rtype *nt;
1801 int hash;
1802 if (!name) {
1803 error_loc("registering named type without name\n");
1804 return type;
1805 }
1806 if (!namespace)
1807 namespace = &global_namespace;
1808 hash = hash_ident(name);
1809 nt = xmalloc(sizeof(struct rtype));
1810 nt->name = name;
1811 if (is_global_namespace(namespace))
1812 type->c_name = name;
1813 else
1814 type->c_name = format_namespace(namespace, "__x_", "_C", name);
1815 nt->type = type;
1816 nt->t = t;
1817 nt->next = namespace->type_hash[hash];
1818 namespace->type_hash[hash] = nt;
1819 if ((t == tsSTRUCT || t == tsUNION))
1820 fix_incomplete_types(type);
1821 return type;
1822 }
1823
1824 static int is_incomplete(const type_t *t)
1825 {
1826 return !t->defined &&
1827 (type_get_type_detect_alias(t) == TYPE_STRUCT ||
1828 type_get_type_detect_alias(t) == TYPE_UNION ||
1829 type_get_type_detect_alias(t) == TYPE_ENCAPSULATED_UNION);
1830 }
1831
1832 void add_incomplete(type_t *t)
1833 {
1834 struct typenode *tn = xmalloc(sizeof *tn);
1835 tn->type = t;
1836 list_add_tail(&incomplete_types, &tn->entry);
1837 }
1838
1839 static void fix_type(type_t *t)
1840 {
1841 if (type_is_alias(t) && is_incomplete(t)) {
1842 type_t *ot = type_alias_get_aliasee(t);
1843 fix_type(ot);
1844 if (type_get_type_detect_alias(ot) == TYPE_STRUCT ||
1845 type_get_type_detect_alias(ot) == TYPE_UNION ||
1846 type_get_type_detect_alias(ot) == TYPE_ENCAPSULATED_UNION)
1847 t->details.structure = ot->details.structure;
1848 t->defined = ot->defined;
1849 }
1850 }
1851
1852 static void fix_incomplete(void)
1853 {
1854 struct typenode *tn, *next;
1855
1856 LIST_FOR_EACH_ENTRY_SAFE(tn, next, &incomplete_types, struct typenode, entry) {
1857 fix_type(tn->type);
1858 list_remove(&tn->entry);
1859 free(tn);
1860 }
1861 }
1862
1863 static void fix_incomplete_types(type_t *complete_type)
1864 {
1865 struct typenode *tn, *next;
1866
1867 LIST_FOR_EACH_ENTRY_SAFE(tn, next, &incomplete_types, struct typenode, entry)
1868 {
1869 if (type_is_equal(complete_type, tn->type))
1870 {
1871 tn->type->details.structure = complete_type->details.structure;
1872 list_remove(&tn->entry);
1873 free(tn);
1874 }
1875 }
1876 }
1877
1878 static type_t *reg_typedefs(decl_spec_t *decl_spec, declarator_list_t *decls, attr_list_t *attrs)
1879 {
1880 const declarator_t *decl;
1881 type_t *type = decl_spec->type;
1882
1883 if (is_attr(attrs, ATTR_UUID) && !is_attr(attrs, ATTR_PUBLIC))
1884 attrs = append_attr( attrs, make_attr(ATTR_PUBLIC) );
1885
1886 /* We must generate names for tagless enum, struct or union.
1887 Typedef-ing a tagless enum, struct or union means we want the typedef
1888 to be included in a library hence the public attribute. */
1889 if (type_get_type_detect_alias(type) == TYPE_ENUM ||
1890 type_get_type_detect_alias(type) == TYPE_STRUCT ||
1891 type_get_type_detect_alias(type) == TYPE_UNION ||
1892 type_get_type_detect_alias(type) == TYPE_ENCAPSULATED_UNION)
1893 {
1894 if (!type->name)
1895 type->name = gen_name();
1896
1897 /* replace existing attributes when generating a typelib */
1898 if (do_typelib)
1899 type->attrs = attrs;
1900 }
1901
1902 LIST_FOR_EACH_ENTRY( decl, decls, const declarator_t, entry )
1903 {
1904
1905 if (decl->var->name) {
1906 type_t *cur;
1907 var_t *name;
1908
1909 cur = find_type(decl->var->name, current_namespace, 0);
1910
1911 /*
1912 * MIDL allows shadowing types that are declared in imported files.
1913 * We don't throw an error in this case and instead add a new type
1914 * (which is earlier on the list in hash table, so it will be used
1915 * instead of shadowed type).
1916 *
1917 * FIXME: We may consider string separated type tables for each input
1918 * for cleaner solution.
1919 */
1920 if (cur && input_name == cur->loc_info.input_name)
1921 error_loc("%s: redefinition error; original definition was at %s:%d\n",
1922 cur->name, cur->loc_info.input_name,
1923 cur->loc_info.line_number);
1924
1925 name = declare_var(attrs, decl_spec, decl, 0);
1926 cur = type_new_alias(name->type, name->name);
1927 cur->attrs = attrs;
1928
1929 if (is_incomplete(cur))
1930 add_incomplete(cur);
1931 reg_type(cur, cur->name, current_namespace, 0);
1932 }
1933 }
1934 return type;
1935 }
1936
1937 type_t *find_type(const char *name, struct namespace *namespace, int t)
1938 {
1939 struct rtype *cur;
1940
1941 if(namespace && namespace != &global_namespace) {
1942 for(cur = namespace->type_hash[hash_ident(name)]; cur; cur = cur->next) {
1943 if(cur->t == t && !strcmp(cur->name, name))
1944 return cur->type;
1945 }
1946 }
1947 for(cur = global_namespace.type_hash[hash_ident(name)]; cur; cur = cur->next) {
1948 if(cur->t == t && !strcmp(cur->name, name))
1949 return cur->type;
1950 }
1951 return NULL;
1952 }
1953
1954 static type_t *find_type_or_error(const char *name, int t)
1955 {
1956 type_t *type = find_type(name, NULL, t);
1957 if (!type) {
1958 error_loc("type '%s' not found\n", name);
1959 return NULL;
1960 }
1961 return type;
1962 }
1963
1964 static type_t *find_type_or_error2(char *name, int t)
1965 {
1966 type_t *tp = find_type_or_error(name, t);
1967 free(name);
1968 return tp;
1969 }
1970
1971 int is_type(const char *name)
1972 {
1973 return find_type(name, current_namespace, 0) != NULL;
1974 }
1975
1976 type_t *get_type(enum type_type type, char *name, struct namespace *namespace, int t)
1977 {
1978 type_t *tp;
1979 if (!namespace)
1980 namespace = &global_namespace;
1981 if (name) {
1982 tp = find_type(name, namespace, t);
1983 if (tp) {
1984 free(name);
1985 return tp;
1986 }
1987 }
1988 tp = make_type(type);
1989 tp->name = name;
1990 tp->namespace = namespace;
1991 if (!name) return tp;
1992 return reg_type(tp, name, namespace, t);
1993 }
1994
1995 /***** constant repository *****/
1996
1997 struct rconst {
1998 char *name;
1999 var_t *var;
2000 struct rconst *next;
2001 };
2002
2003 struct rconst *const_hash[HASHMAX];
2004
2005 static var_t *reg_const(var_t *var)
2006 {
2007 struct rconst *nc;
2008 int hash;
2009 if (!var->name) {
2010 error_loc("registering constant without name\n");
2011 return var;
2012 }
2013 hash = hash_ident(var->name);
2014 nc = xmalloc(sizeof(struct rconst));
2015 nc->name = var->name;
2016 nc->var = var;
2017 nc->next = const_hash[hash];
2018 const_hash[hash] = nc;
2019 return var;
2020 }
2021
2022 var_t *find_const(const char *name, int f)
2023 {
2024 struct rconst *cur = const_hash[hash_ident(name)];
2025 while (cur && strcmp(cur->name, name))
2026 cur = cur->next;
2027 if (!cur) {
2028 if (f) error_loc("constant '%s' not found\n", name);
2029 return NULL;
2030 }
2031 return cur->var;
2032 }
2033
2034 static char *gen_name(void)
2035 {
2036 static const char format[] = "__WIDL_%s_generated_name_%08lX";
2037 static unsigned long n = 0;
2038 static const char *file_id;
2039 static size_t size;
2040 char *name;
2041
2042 if (! file_id)
2043 {
2044 char *dst = dup_basename(input_idl_name, ".idl");
2045 file_id = dst;
2046
2047 for (; *dst; ++dst)
2048 if (! isalnum((unsigned char) *dst))
2049 *dst = '_';
2050
2051 size = sizeof format - 7 + strlen(file_id) + 8;
2052 }
2053
2054 name = xmalloc(size);
2055 sprintf(name, format, file_id, n++);
2056 return name;
2057 }
2058
2059 struct allowed_attr
2060 {
2061 unsigned int dce_compatible : 1;
2062 unsigned int acf : 1;
2063 unsigned int on_interface : 1;
2064 unsigned int on_function : 1;
2065 unsigned int on_arg : 1;
2066 unsigned int on_type : 1;
2067 unsigned int on_enum : 1;
2068 unsigned int on_struct : 2;
2069 unsigned int on_union : 1;
2070 unsigned int on_field : 1;
2071 unsigned int on_library : 1;
2072 unsigned int on_dispinterface : 1;
2073 unsigned int on_module : 1;
2074 unsigned int on_coclass : 1;
2075 const char *display_name;
2076 };
2077
2078 struct allowed_attr allowed_attr[] =
2079 {
2080 /* attr { D ACF I Fn ARG T En St Un Fi L DI M C <display name> } */
2081 /* ATTR_AGGREGATABLE */ { 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 1, "aggregatable" },
2082 /* ATTR_ANNOTATION */ { 0, 0, 0, 0, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, "annotation" },
2083 /* ATTR_APPOBJECT */ { 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 1, "appobject" },
2084 /* ATTR_ASYNC */ { 0, 1, 0, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, "async" },
2085 /* ATTR_ASYNCUUID */ { 1, 0, 1, 0, 0, 1, 1, 0, 0, 0, 1, 1, 1, 1, "async_uuid" },
2086 /* ATTR_AUTO_HANDLE */ { 1, 1, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, "auto_handle" },
2087 /* ATTR_BINDABLE */ { 0, 0, 0, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, "bindable" },
2088 /* ATTR_BROADCAST */ { 1, 0, 0, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, "broadcast" },
2089 /* ATTR_CALLAS */ { 0, 0, 0, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, "call_as" },
2090 /* ATTR_CALLCONV */ { 0, 0, 0, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, NULL },
2091 /* ATTR_CASE */ { 1, 0, 0, 0, 0, 0, 0, 0, 0, 1, 0, 0, 0, 0, "case" },
2092 /* ATTR_CODE */ { 0, 1, 1, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, "code" },
2093 /* ATTR_COMMSTATUS */ { 0, 0, 0, 1, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, "comm_status" },
2094 /* ATTR_CONST */ { 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, "const" },
2095 /* ATTR_CONTEXTHANDLE */ { 1, 0, 0, 0, 0, 1, 0, 0, 0, 0, 0, 0, 0, 0, "context_handle" },
2096 /* ATTR_CONTROL */ { 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 1, 0, 0, 1, "control" },
2097 /* ATTR_DECODE */ { 0, 0, 1, 1, 0, 1, 0, 0, 0, 0, 0, 0, 0, 0, "decode" },
2098 /* ATTR_DEFAULT */ { 0, 0, 1, 0, 0, 0, 0, 0, 0, 1, 0, 1, 0, 0, "default" },
2099 /* ATTR_DEFAULTBIND */ { 0, 0, 0, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, "defaultbind" },
2100 /* ATTR_DEFAULTCOLLELEM */ { 0, 0, 0, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, "defaultcollelem" },
2101 /* ATTR_DEFAULTVALUE */ { 0, 0, 0, 0, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, "defaultvalue" },
2102 /* ATTR_DEFAULTVTABLE */ { 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 1, "defaultvtable" },
2103 /* ATTR_DISABLECONSISTENCYCHECK */{ 0, 0, 0, 0, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, "disable_consistency_check" },
2104 /* ATTR_DISPINTERFACE */ { 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, NULL },
2105 /* ATTR_DISPLAYBIND */ { 0, 0, 0, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, "displaybind" },
2106 /* ATTR_DLLNAME */ { 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 1, 0, "dllname" },
2107 /* ATTR_DUAL */ { 0, 0, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, "dual" },
2108 /* ATTR_ENABLEALLOCATE */ { 0, 0, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, "enable_allocate" },
2109 /* ATTR_ENCODE */ { 0, 0, 1, 1, 0, 1, 0, 0, 0, 0, 0, 0, 0, 0, "encode" },
2110 /* ATTR_ENDPOINT */ { 1, 0, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, "endpoint" },
2111 /* ATTR_ENTRY */ { 0, 0, 0, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, "entry" },
2112 /* ATTR_EXPLICIT_HANDLE */ { 1, 1, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, "explicit_handle" },
2113 /* ATTR_FAULTSTATUS */ { 0, 0, 0, 1, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, "fault_status" },
2114 /* ATTR_FORCEALLOCATE */ { 0, 0, 0, 0, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, "force_allocate" },
2115 /* ATTR_HANDLE */ { 1, 0, 0, 0, 0, 1, 0, 0, 0, 0, 0, 0, 0, 0, "handle" },
2116 /* ATTR_HELPCONTEXT */ { 0, 0, 1, 1, 0, 1, 1, 0, 0, 0, 1, 1, 1, 1, "helpcontext" },
2117 /* ATTR_HELPFILE */ { 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 1, 0, 0, 0, "helpfile" },
2118 /* ATTR_HELPSTRING */ { 0, 0, 1, 1, 0, 1, 1, 0, 0, 0, 1, 1, 1, 1, "helpstring" },
2119 /* ATTR_HELPSTRINGCONTEXT */ { 0, 0, 1, 1, 0, 1, 1, 0, 0, 0, 1, 1, 1, 1, "helpstringcontext" },
2120 /* ATTR_HELPSTRINGDLL */ { 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 1, 0, 0, 0, "helpstringdll" },
2121 /* ATTR_HIDDEN */ { 0, 0, 1, 1, 0, 1, 0, 0, 0, 0, 1, 1, 0, 1, "hidden" },
2122 /* ATTR_ID */ { 0, 0, 0, 1, 0, 0, 0, 0, 0, 1, 1, 0, 0, 0, "id" },
2123 /* ATTR_IDEMPOTENT */ { 1, 0, 0, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, "idempotent" },
2124 /* ATTR_IGNORE */ { 0, 0, 0, 0, 0, 0, 0, 0, 0, 1, 0, 0, 0, 0, "ignore" },
2125 /* ATTR_IIDIS */ { 0, 0, 0, 0, 1, 0, 0, 0, 0, 1, 0, 0, 0, 0, "iid_is" },
2126 /* ATTR_IMMEDIATEBIND */ { 0, 0, 0, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, "immediatebind" },
2127 /* ATTR_IMPLICIT_HANDLE */ { 1, 1, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, "implicit_handle" },
2128 /* ATTR_IN */ { 0, 0, 0, 0, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, "in" },
2129 /* ATTR_INLINE */ { 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, "inline" },
2130 /* ATTR_INPUTSYNC */ { 0, 0, 0, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, "inputsync" },
2131 /* ATTR_LENGTHIS */ { 0, 0, 0, 0, 1, 0, 0, 0, 0, 1, 0, 0, 0, 0, "length_is" },
2132 /* ATTR_LIBLCID */ { 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 1, 0, 0, 0, "lcid" },
2133 /* ATTR_LICENSED */ { 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 1, "licensed" },
2134 /* ATTR_LOCAL */ { 1, 0, 1, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, "local" },
2135 /* ATTR_MAYBE */ { 0, 0, 0, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, "maybe" },
2136 /* ATTR_MESSAGE */ { 0, 0, 0, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, "message" },
2137 /* ATTR_NOCODE */ { 0, 1, 1, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, "nocode" },
2138 /* ATTR_NONBROWSABLE */ { 0, 0, 0, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, "nonbrowsable" },
2139 /* ATTR_NONCREATABLE */ { 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 1, "noncreatable" },
2140 /* ATTR_NONEXTENSIBLE */ { 0, 0, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, "nonextensible" },
2141 /* ATTR_NOTIFY */ { 0, 0, 0, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, "notify" },
2142 /* ATTR_NOTIFYFLAG */ { 0, 0, 0, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, "notify_flag" },
2143 /* ATTR_OBJECT */ { 0, 0, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, "object" },
2144 /* ATTR_ODL */ { 0, 0, 1, 0, 0, 0, 0, 0, 0, 0, 0, 1, 0, 0, "odl" },
2145 /* ATTR_OLEAUTOMATION */ { 0, 0, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, "oleautomation" },
2146 /* ATTR_OPTIMIZE */ { 0, 0, 1, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, "optimize" },
2147 /* ATTR_OPTIONAL */ { 0, 0, 0, 0, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, "optional" },
2148 /* ATTR_OUT */ { 1, 0, 0, 0, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, "out" },
2149 /* ATTR_PARAMLCID */ { 0, 0, 0, 0, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, "lcid" },
2150 /* ATTR_PARTIALIGNORE */ { 0, 0, 0, 0, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, "partial_ignore" },
2151 /* ATTR_POINTERDEFAULT */ { 1, 0, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, "pointer_default" },
2152 /* ATTR_POINTERTYPE */ { 1, 0, 0, 0, 1, 1, 0, 0, 0, 1, 0, 0, 0, 0, "ref, unique or ptr" },
2153 /* ATTR_PROGID */ { 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 1, "progid" },
2154 /* ATTR_PROPGET */ { 0, 0, 0, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, "propget" },
2155 /* ATTR_PROPPUT */ { 0, 0, 0, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, "propput" },
2156 /* ATTR_PROPPUTREF */ { 0, 0, 0, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, "propputref" },
2157 /* ATTR_PROXY */ { 0, 0, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, "proxy" },
2158 /* ATTR_PUBLIC */ { 0, 0, 0, 0, 0, 1, 0, 0, 0, 0, 0, 0, 0, 0, "public" },
2159 /* ATTR_RANGE */ { 0, 0, 0, 0, 1, 1, 1, 0, 0, 1, 0, 0, 0, 0, "range" },
2160 /* ATTR_READONLY */ { 0, 0, 0, 0, 1, 0, 0, 0, 0, 1, 0, 0, 0, 0, "readonly" },
2161 /* ATTR_REPRESENTAS */ { 1, 0, 0, 0, 0, 1, 0, 0, 0, 0, 0, 0, 0, 0, "represent_as" },
2162 /* ATTR_REQUESTEDIT */ { 0, 0, 0, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, "requestedit" },
2163 /* ATTR_RESTRICTED */ { 0, 0, 1, 1, 0, 1, 1, 1, 0, 0, 1, 1, 1, 0, "restricted" },
2164 /* ATTR_RETVAL */ { 0, 0, 0, 0, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, "retval" },
2165 /* ATTR_SIZEIS */ { 0, 0, 0, 0, 1, 0, 0, 0, 0, 1, 0, 0, 0, 0, "size_is" },
2166 /* ATTR_SOURCE */ { 0, 0, 1, 1, 0, 0, 0, 0, 0, 0, 0, 1, 0, 0, "source" },
2167 /* ATTR_STRICTCONTEXTHANDLE */ { 0, 0, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, "strict_context_handle" },
2168 /* ATTR_STRING */ { 1, 0, 0, 1, 1, 1, 0, 0, 0, 1, 0, 0, 0, 0, "string" },
2169 /* ATTR_SWITCHIS */ { 1, 0, 0, 0, 1, 0, 0, 0, 0, 1, 0, 0, 0, 0, "switch_is" },
2170 /* ATTR_SWITCHTYPE */ { 1, 0, 0, 0, 0, 1, 0, 0, 0, 1, 0, 0, 0, 0, "switch_type" },
2171 /* ATTR_THREADING */ { 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 1, "threading" },
2172 /* ATTR_TRANSMITAS */ { 1, 0, 0, 0, 0, 1, 0, 0, 0, 0, 0, 0, 0, 0, "transmit_as" },
2173 /* ATTR_UIDEFAULT */ { 0, 0, 0, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, "uidefault" },
2174 /* ATTR_USESGETLASTERROR */ { 0, 0, 0, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, "usesgetlasterror" },
2175 /* ATTR_USERMARSHAL */ { 0, 0, 0, 0, 0, 1, 0, 0, 0, 0, 0, 0, 0, 0, "user_marshal" },
2176 /* ATTR_UUID */ { 1, 0, 1, 0, 0, 1, 1, 1, 0, 0, 1, 1, 1, 1, "uuid" },
2177 /* ATTR_V1ENUM */ { 0, 0, 0, 0, 0, 1, 1, 0, 0, 0, 0, 0, 0, 0, "v1_enum" },
2178 /* ATTR_VARARG */ { 0, 0, 0, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, "vararg" },
2179 /* ATTR_VERSION */ { 1, 0, 1, 0, 0, 1, 1, 2, 0, 0, 1, 0, 0, 1, "version" },
2180 /* ATTR_VIPROGID */ { 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 1, "vi_progid" },
2181 /* ATTR_WIREMARSHAL */ { 1, 0, 0, 0, 0, 1, 0, 0, 0, 0, 0, 0, 0, 0, "wire_marshal" },
2182 };
2183
2184 const char *get_attr_display_name(enum attr_type type)
2185 {
2186 return allowed_attr[type].display_name;
2187 }
2188
2189 static attr_list_t *check_iface_attrs(const char *name, attr_list_t *attrs)
2190 {
2191 const attr_t *attr;
2192 if (!attrs) return attrs;
2193 LIST_FOR_EACH_ENTRY(attr, attrs, const attr_t, entry)
2194 {
2195 if (!allowed_attr[attr->type].on_interface)
2196 error_loc("inapplicable attribute %s for interface %s\n",
2197 allowed_attr[attr->type].display_name, name);
2198 if (attr->type == ATTR_IMPLICIT_HANDLE)
2199 {
2200 const var_t *var = attr->u.pval;
2201 if (type_get_type( var->type) == TYPE_BASIC &&
2202 type_basic_get_type( var->type ) == TYPE_BASIC_HANDLE)
2203 continue;
2204 if (is_aliaschain_attr( var->type, ATTR_HANDLE ))
2205 continue;
2206 error_loc("attribute %s requires a handle type in interface %s\n",
2207 allowed_attr[attr->type].display_name, name);
2208 }
2209 }
2210 return attrs;
2211 }
2212
2213 static attr_list_t *check_function_attrs(const char *name, attr_list_t *attrs)
2214 {
2215 const attr_t *attr;
2216 if (!attrs) return attrs;
2217 LIST_FOR_EACH_ENTRY(attr, attrs, const attr_t, entry)
2218 {
2219 if (!allowed_attr[attr->type].on_function)
2220 error_loc("inapplicable attribute %s for function %s\n",
2221 allowed_attr[attr->type].display_name, name);
2222 }
2223 return attrs;
2224 }
2225
2226 static void check_arg_attrs(const var_t *arg)
2227 {
2228 const attr_t *attr;
2229
2230 if (arg->attrs)
2231 {
2232 LIST_FOR_EACH_ENTRY(attr, arg->attrs, const attr_t, entry)
2233 {
2234 if (!allowed_attr[attr->type].on_arg)
2235 error_loc("inapplicable attribute %s for argument %s\n",
2236 allowed_attr[attr->type].display_name, arg->name);
2237 }
2238 }
2239 }
2240
2241 static attr_list_t *check_typedef_attrs(attr_list_t *attrs)
2242 {
2243 const attr_t *attr;
2244 if (!attrs) return attrs;
2245 LIST_FOR_EACH_ENTRY(attr, attrs, const attr_t, entry)
2246 {
2247 if (!allowed_attr[attr->type].on_type)
2248 error_loc("inapplicable attribute %s for typedef\n",
2249 allowed_attr[attr->type].display_name);
2250 }
2251 return attrs;
2252 }
2253
2254 static attr_list_t *check_enum_attrs(attr_list_t *attrs)
2255 {
2256 const attr_t *attr;
2257 if (!attrs) return attrs;
2258 LIST_FOR_EACH_ENTRY(attr, attrs, const attr_t, entry)
2259 {
2260 if (!allowed_attr[attr->type].on_enum)
2261 error_loc("inapplicable attribute %s for enum\n",
2262 allowed_attr[attr->type].display_name);
2263 }
2264 return attrs;
2265 }
2266
2267 static attr_list_t *check_struct_attrs(attr_list_t *attrs)
2268 {
2269 int mask = winrt_mode ? 3 : 1;
2270 const attr_t *attr;
2271 if (!attrs) return attrs;
2272 LIST_FOR_EACH_ENTRY(attr, attrs, const attr_t, entry)
2273 {
2274 if (!(allowed_attr[attr->type].on_struct & mask))
2275 error_loc("inapplicable attribute %s for struct\n",
2276 allowed_attr[attr->type].display_name);
2277 }
2278 return attrs;
2279 }
2280
2281 static attr_list_t *check_union_attrs(attr_list_t *attrs)
2282 {
2283 const attr_t *attr;
2284 if (!attrs) return attrs;
2285 LIST_FOR_EACH_ENTRY(attr, attrs, const attr_t, entry)
2286 {
2287 if (!allowed_attr[attr->type].on_union)
2288 error_loc("inapplicable attribute %s for union\n",
2289 allowed_attr[attr->type].display_name);
2290 }
2291 return attrs;
2292 }
2293
2294 static attr_list_t *check_field_attrs(const char *name, attr_list_t *attrs)
2295 {
2296 const attr_t *attr;
2297 if (!attrs) return attrs;
2298 LIST_FOR_EACH_ENTRY(attr, attrs, const attr_t, entry)
2299 {
2300 if (!allowed_attr[attr->type].on_field)
2301 error_loc("inapplicable attribute %s for field %s\n",
2302 allowed_attr[attr->type].display_name, name);
2303 }
2304 return attrs;
2305 }
2306
2307 static attr_list_t *check_library_attrs(const char *name, attr_list_t *attrs)
2308 {
2309 const attr_t *attr;
2310 if (!attrs) return attrs;
2311 LIST_FOR_EACH_ENTRY(attr, attrs, const attr_t, entry)
2312 {
2313 if (!allowed_attr[attr->type].on_library)
2314 error_loc("inapplicable attribute %s for library %s\n",
2315 allowed_attr[attr->type].display_name, name);
2316 }
2317 return attrs;
2318 }
2319
2320 static attr_list_t *check_dispiface_attrs(const char *name, attr_list_t *attrs)
2321 {
2322 const attr_t *attr;
2323 if (!attrs) return attrs;
2324 LIST_FOR_EACH_ENTRY(attr, attrs, const attr_t, entry)
2325 {
2326 if (!allowed_attr[attr->type].on_dispinterface)
2327 error_loc("inapplicable attribute %s for dispinterface %s\n",
2328 allowed_attr[attr->type].display_name, name);
2329 }
2330 return attrs;
2331 }
2332
2333 static attr_list_t *check_module_attrs(const char *name, attr_list_t *attrs)
2334 {
2335 const attr_t *attr;
2336 if (!attrs) return attrs;
2337 LIST_FOR_EACH_ENTRY(attr, attrs, const attr_t, entry)
2338 {
2339 if (!allowed_attr[attr->type].on_module)
2340 error_loc("inapplicable attribute %s for module %s\n",
2341 allowed_attr[attr->type].display_name, name);
2342 }
2343 return attrs;
2344 }
2345
2346 static attr_list_t *check_coclass_attrs(const char *name, attr_list_t *attrs)
2347 {
2348 const attr_t *attr;
2349 if (!attrs) return attrs;
2350 LIST_FOR_EACH_ENTRY(attr, attrs, const attr_t, entry)
2351 {
2352 if (!allowed_attr[attr->type].on_coclass)
2353 error_loc("inapplicable attribute %s for coclass %s\n",
2354 allowed_attr[attr->type].display_name, name);
2355 }
2356 return attrs;
2357 }
2358
2359 static int is_allowed_conf_type(const type_t *type)
2360 {
2361 switch (type_get_type(type))
2362 {
2363 case TYPE_ENUM:
2364 return TRUE;
2365 case TYPE_BASIC:
2366 switch (type_basic_get_type(type))
2367 {
2368 case TYPE_BASIC_INT8:
2369 case TYPE_BASIC_INT16:
2370 case TYPE_BASIC_INT32:
2371 case TYPE_BASIC_INT64:
2372 case TYPE_BASIC_INT:
2373 case TYPE_BASIC_CHAR:
2374 case TYPE_BASIC_HYPER:
2375 case TYPE_BASIC_BYTE:
2376 case TYPE_BASIC_WCHAR:
2377 return TRUE;
2378 default:
2379 return FALSE;
2380 }
2381 case TYPE_ALIAS:
2382 /* shouldn't get here because of type_get_type call above */
2383 assert(0);
2384 /* fall through */
2385 case TYPE_STRUCT:
2386 case TYPE_UNION:
2387 case TYPE_ENCAPSULATED_UNION:
2388 case TYPE_ARRAY:
2389 case TYPE_POINTER:
2390 case TYPE_VOID:
2391 case TYPE_MODULE:
2392 case TYPE_COCLASS:
2393 case TYPE_FUNCTION:
2394 case TYPE_INTERFACE:
2395 case TYPE_BITFIELD:
2396 return FALSE;
2397 }
2398 return FALSE;
2399 }
2400
2401 static int is_ptr_guid_type(const type_t *type)
2402 {
2403 /* first, make sure it is a pointer to something */
2404 if (!is_ptr(type)) return FALSE;
2405
2406 /* second, make sure it is a pointer to something of size sizeof(GUID),
2407 * i.e. 16 bytes */
2408 return (type_memsize(type_pointer_get_ref(type)) == 16);
2409 }
2410
2411 static void check_conformance_expr_list(const char *attr_name, const var_t *arg, const type_t *container_type, expr_list_t *expr_list)
2412 {
2413 expr_t *dim;
2414 struct expr_loc expr_loc;
2415 expr_loc.v = arg;
2416 expr_loc.attr = attr_name;
2417 if (expr_list) LIST_FOR_EACH_ENTRY(dim, expr_list, expr_t, entry)
2418 {
2419 if (dim->type != EXPR_VOID)
2420 {
2421 const type_t *expr_type = expr_resolve_type(&expr_loc, container_type, dim);
2422 if (!is_allowed_conf_type(expr_type))
2423 error_loc_info(&arg->loc_info, "expression must resolve to integral type <= 32bits for attribute %s\n",
2424 attr_name);
2425 }
2426 }
2427 }
2428
2429 static void check_remoting_fields(const var_t *var, type_t *type);
2430
2431 /* checks that properties common to fields and arguments are consistent */
2432 static void check_field_common(const type_t *container_type,
2433 const char *container_name, const var_t *arg)
2434 {
2435 type_t *type = arg->type;
2436 int more_to_do;
2437 const char *container_type_name;
2438 const char *var_type;
2439
2440 switch (type_get_type(container_type))
2441 {
2442 case TYPE_STRUCT:
2443 container_type_name = "struct";
2444 var_type = "field";
2445 break;
2446 case TYPE_UNION:
2447 container_type_name = "union";
2448 var_type = "arm";
2449 break;
2450 case TYPE_ENCAPSULATED_UNION:
2451 container_type_name = "encapsulated union";
2452 var_type = "arm";
2453 break;
2454 case TYPE_FUNCTION:
2455 container_type_name = "function";
2456 var_type = "parameter";
2457 break;
2458 default:
2459 /* should be no other container types */
2460 assert(0);
2461 return;
2462 }
2463
2464 if (is_attr(arg->attrs, ATTR_LENGTHIS) &&
2465 (is_attr(arg->attrs, ATTR_STRING) || is_aliaschain_attr(arg->type, ATTR_STRING)))
2466 error_loc_info(&arg->loc_info,
2467 "string and length_is specified for argument %s are mutually exclusive attributes\n",
2468 arg->name);
2469
2470 if (is_attr(arg->attrs, ATTR_SIZEIS))
2471 {
2472 expr_list_t *size_is_exprs = get_attrp(arg->attrs, ATTR_SIZEIS);
2473 check_conformance_expr_list("size_is", arg, container_type, size_is_exprs);
2474 }
2475 if (is_attr(arg->attrs, ATTR_LENGTHIS))
2476 {
2477 expr_list_t *length_is_exprs = get_attrp(arg->attrs, ATTR_LENGTHIS);
2478 check_conformance_expr_list("length_is", arg, container_type, length_is_exprs);
2479 }
2480 if (is_attr(arg->attrs, ATTR_IIDIS))
2481 {
2482 struct expr_loc expr_loc;
2483 expr_t *expr = get_attrp(arg->attrs, ATTR_IIDIS);
2484 if (expr->type != EXPR_VOID)
2485 {
2486 const type_t *expr_type;
2487 expr_loc.v = arg;
2488 expr_loc.attr = "iid_is";
2489 expr_type = expr_resolve_type(&expr_loc, container_type, expr);
2490 if (!expr_type || !is_ptr_guid_type(expr_type))
2491 error_loc_info(&arg->loc_info, "expression must resolve to pointer to GUID type for attribute iid_is\n");
2492 }
2493 }
2494 if (is_attr(arg->attrs, ATTR_SWITCHIS))
2495 {
2496 struct expr_loc expr_loc;
2497 expr_t *expr = get_attrp(arg->attrs, ATTR_SWITCHIS);
2498 if (expr->type != EXPR_VOID)
2499 {
2500 const type_t *expr_type;
2501 expr_loc.v = arg;
2502 expr_loc.attr = "switch_is";
2503 expr_type = expr_resolve_type(&expr_loc, container_type, expr);
2504 if (!expr_type || !is_allowed_conf_type(expr_type))
2505 error_loc_info(&arg->loc_info, "expression must resolve to integral type <= 32bits for attribute %s\n",
2506 expr_loc.attr);
2507 }
2508 }
2509
2510 do
2511 {
2512 more_to_do = FALSE;
2513
2514 switch (typegen_detect_type(type, arg->attrs, TDT_IGNORE_STRINGS))
2515 {
2516 case TGT_STRUCT:
2517 case TGT_UNION:
2518 check_remoting_fields(arg, type);
2519 break;
2520 case TGT_INVALID:
2521 {
2522 const char *reason = "is invalid";
2523 switch (type_get_type(type))
2524 {
2525 case TYPE_VOID:
2526 reason = "cannot derive from void *";
2527 break;
2528 case TYPE_FUNCTION:
2529 reason = "cannot be a function pointer";
2530 break;
2531 case TYPE_BITFIELD:
2532 reason = "cannot be a bit-field";
2533 break;
2534 case TYPE_COCLASS:
2535 reason = "cannot be a class";
2536 break;
2537 case TYPE_INTERFACE:
2538 reason = "cannot be a non-pointer to an interface";
2539 break;
2540 case TYPE_MODULE:
2541 reason = "cannot be a module";
2542 break;
2543 default:
2544 break;
2545 }
2546 error_loc_info(&arg->loc_info, "%s \'%s\' of %s \'%s\' %s\n",
2547 var_type, arg->name, container_type_name, container_name, reason);
2548 break;
2549 }
2550 case TGT_CTXT_HANDLE:
2551 case TGT_CTXT_HANDLE_POINTER:
2552 if (type_get_type(container_type) != TYPE_FUNCTION)
2553 error_loc_info(&arg->loc_info,
2554 "%s \'%s\' of %s \'%s\' cannot be a context handle\n",
2555 var_type, arg->name, container_type_name,
2556 container_name);
2557 break;
2558 case TGT_STRING:
2559 {
2560 const type_t *t = type;
2561 while (is_ptr(t))
2562 t = type_pointer_get_ref(t);
2563 if (is_aliaschain_attr(t, ATTR_RANGE))
2564 warning_loc_info(&arg->loc_info, "%s: range not verified for a string of ranged types\n", arg->name);
2565 break;
2566 }
2567 case TGT_POINTER:
2568 type = type_pointer_get_ref(type);
2569 more_to_do = TRUE;
2570 break;
2571 case TGT_ARRAY:
2572 type = type_array_get_element(type);
2573 more_to_do = TRUE;
2574 break;
2575 case TGT_USER_TYPE:
2576 case TGT_IFACE_POINTER:
2577 case TGT_BASIC:
2578 case TGT_ENUM:
2579 case TGT_RANGE:
2580 /* nothing to do */
2581 break;
2582 }
2583 } while (more_to_do);
2584 }
2585
2586 static void check_remoting_fields(const var_t *var, type_t *type)
2587 {
2588 const var_t *field;
2589 const var_list_t *fields = NULL;
2590
2591 type = type_get_real_type(type);
2592
2593 if (type->checked)
2594 return;
2595
2596 type->checked = TRUE;
2597
2598 if (type_get_type(type) == TYPE_STRUCT)
2599 {
2600 if (type_is_complete(type))
2601 fields = type_struct_get_fields(type);
2602 else
2603 error_loc_info(&var->loc_info, "undefined type declaration %s\n", type->name);
2604 }
2605 else if (type_get_type(type) == TYPE_UNION || type_get_type(type) == TYPE_ENCAPSULATED_UNION)
2606 fields = type_union_get_cases(type);
2607
2608 if (fields) LIST_FOR_EACH_ENTRY( field, fields, const var_t, entry )
2609 if (field->type) check_field_common(type, type->name, field);
2610 }
2611
2612 /* checks that arguments for a function make sense for marshalling and unmarshalling */
2613 static void check_remoting_args(const var_t *func)
2614 {
2615 const char *funcname = func->name;
2616 const var_t *arg;
2617
2618 if (func->type->details.function->args) LIST_FOR_EACH_ENTRY( arg, func->type->details.function->args, const var_t, entry )
2619 {
2620 const type_t *type = arg->type;
2621
2622 /* check that [out] parameters have enough pointer levels */
2623 if (is_attr(arg->attrs, ATTR_OUT))
2624 {
2625 switch (typegen_detect_type(type, arg->attrs, TDT_ALL_TYPES))
2626 {
2627 case TGT_BASIC:
2628 case TGT_ENUM:
2629 case TGT_RANGE:
2630 case TGT_STRUCT:
2631 case TGT_UNION:
2632 case TGT_CTXT_HANDLE:
2633 case TGT_USER_TYPE:
2634 error_loc_info(&arg->loc_info, "out parameter \'%s\' of function \'%s\' is not a pointer\n", arg->name, funcname);
2635 break;
2636 case TGT_IFACE_POINTER:
2637 error_loc_info(&arg->loc_info, "out interface pointer \'%s\' of function \'%s\' is not a double pointer\n", arg->name, funcname);
2638 break;
2639 case TGT_STRING:
2640 if (is_array(type))
2641 {
2642 /* needs conformance or fixed dimension */
2643 if (type_array_has_conformance(type) &&
2644 type_array_get_conformance(type)->type != EXPR_VOID) break;
2645 if (!type_array_has_conformance(type) && type_array_get_dim(type)) break;
2646 }
2647 if (is_attr( arg->attrs, ATTR_IN )) break;
2648 error_loc_info(&arg->loc_info, "out parameter \'%s\' of function \'%s\' cannot be an unsized string\n", arg->name, funcname);
2649 break;
2650 case TGT_INVALID:
2651 /* already error'd before we get here */
2652 case TGT_CTXT_HANDLE_POINTER:
2653 case TGT_POINTER:
2654 case TGT_ARRAY:
2655 /* OK */
2656 break;
2657 }
2658 }
2659
2660 check_field_common(func->type, funcname, arg);
2661 }
2662
2663 if (type_get_type(type_function_get_rettype(func->type)) != TYPE_VOID)
2664 {
2665 var_t var;
2666 var = *func;
2667 var.type = type_function_get_rettype(func->type);
2668 var.name = xstrdup("return value");
2669 check_field_common(func->type, funcname, &var);
2670 free(var.name);
2671 }
2672 }
2673
2674 static void add_explicit_handle_if_necessary(const type_t *iface, var_t *func)
2675 {
2676 unsigned char explicit_fc, implicit_fc;
2677
2678 /* check for a defined binding handle */
2679 if (!get_func_handle_var( iface, func, &explicit_fc, &implicit_fc ) || !explicit_fc)
2680 {
2681 /* no explicit handle specified so add
2682 * "[in] handle_t IDL_handle" as the first parameter to the
2683 * function */
2684 var_t *idl_handle = make_var(xstrdup("IDL_handle"));
2685 idl_handle->attrs = append_attr(NULL, make_attr(ATTR_IN));
2686 idl_handle->type = find_type_or_error("handle_t", 0);
2687 type_function_add_head_arg(func->type, idl_handle);
2688 }
2689 }
2690
2691 static void check_functions(const type_t *iface, int is_inside_library)
2692 {
2693 const statement_t *stmt;
2694 if (is_attr(iface->attrs, ATTR_EXPLICIT_HANDLE))
2695 {
2696 STATEMENTS_FOR_EACH_FUNC( stmt, type_iface_get_stmts(iface) )
2697 {
2698 var_t *func = stmt->u.var;
2699 add_explicit_handle_if_necessary(iface, func);
2700 }
2701 }
2702 if (!is_inside_library && !is_attr(iface->attrs, ATTR_LOCAL))
2703 {
2704 STATEMENTS_FOR_EACH_FUNC( stmt, type_iface_get_stmts(iface) )
2705 {
2706 const var_t *func = stmt->u.var;
2707 if (!is_attr(func->attrs, ATTR_LOCAL))
2708 check_remoting_args(func);
2709 }
2710 }
2711 }
2712
2713 static void check_statements(const statement_list_t *stmts, int is_inside_library)
2714 {
2715 const statement_t *stmt;
2716
2717 if (stmts) LIST_FOR_EACH_ENTRY(stmt, stmts, const statement_t, entry)
2718 {
2719 switch(stmt->type) {
2720 case STMT_LIBRARY:
2721 check_statements(stmt->u.lib->stmts, TRUE);
2722 break;
2723 case STMT_TYPE:
2724 switch(type_get_type(stmt->u.type)) {
2725 case TYPE_INTERFACE:
2726 check_functions(stmt->u.type, is_inside_library);
2727 break;
2728 case TYPE_COCLASS:
2729 if(winrt_mode)
2730 error_loc("coclass is not allowed in Windows Runtime mode\n");
2731 break;
2732 default:
2733 break;
2734 }
2735 break;
2736 default:
2737 break;
2738 }
2739 }
2740 }
2741
2742 static void check_all_user_types(const statement_list_t *stmts)
2743 {
2744 const statement_t *stmt;
2745
2746 if (stmts) LIST_FOR_EACH_ENTRY(stmt, stmts, const statement_t, entry)
2747 {
2748 if (stmt->type == STMT_LIBRARY)
2749 check_all_user_types(stmt->u.lib->stmts);
2750 else if (stmt->type == STMT_TYPE && type_get_type(stmt->u.type) == TYPE_INTERFACE &&
2751 !is_local(stmt->u.type->attrs))
2752 {
2753 const statement_t *stmt_func;
2754 STATEMENTS_FOR_EACH_FUNC(stmt_func, type_iface_get_stmts(stmt->u.type)) {
2755 const var_t *func = stmt_func->u.var;
2756 check_for_additional_prototype_types(func->type->details.function->args);
2757 }
2758 }
2759 }
2760 }
2761
2762 int is_valid_uuid(const char *s)
2763 {
2764 int i;
2765
2766 for (i = 0; i < 36; ++i)
2767 if (i == 8 || i == 13 || i == 18 || i == 23)
2768 {
2769 if (s[i] != '-')
2770 return FALSE;
2771 }
2772 else
2773 if (!isxdigit(s[i]))
2774 return FALSE;
2775
2776 return s[i] == '\0';
2777 }
2778
2779 static statement_t *make_statement(enum statement_type type)
2780 {
2781 statement_t *stmt = xmalloc(sizeof(*stmt));
2782 stmt->type = type;
2783 return stmt;
2784 }
2785
2786 static statement_t *make_statement_type_decl(type_t *type)
2787 {
2788 statement_t *stmt = make_statement(STMT_TYPE);
2789 stmt->u.type = type;
2790 return stmt;
2791 }
2792
2793 static statement_t *make_statement_reference(type_t *type)
2794 {
2795 statement_t *stmt = make_statement(STMT_TYPEREF);
2796 stmt->u.type = type;
2797 return stmt;
2798 }
2799
2800 static statement_t *make_statement_declaration(var_t *var)
2801 {
2802 statement_t *stmt = make_statement(STMT_DECLARATION);
2803 stmt->u.var = var;
2804 if (var->stgclass == STG_EXTERN && var->eval)
2805 warning("'%s' initialised and declared extern\n", var->name);
2806 if (is_const_decl(var))
2807 {
2808 if (var->eval)
2809 reg_const(var);
2810 }
2811 else if (type_get_type(var->type) == TYPE_FUNCTION)
2812 check_function_attrs(var->name, var->attrs);
2813 else if (var->stgclass == STG_NONE || var->stgclass == STG_REGISTER)
2814 error_loc("instantiation of data is illegal\n");
2815 return stmt;
2816 }
2817
2818 static statement_t *make_statement_library(typelib_t *typelib)
2819 {
2820 statement_t *stmt = make_statement(STMT_LIBRARY);
2821 stmt->u.lib = typelib;
2822 return stmt;
2823 }
2824
2825 static statement_t *make_statement_pragma(const char *str)
2826 {
2827 statement_t *stmt = make_statement(STMT_PRAGMA);
2828 stmt->u.str = str;
2829 return stmt;
2830 }
2831
2832 static statement_t *make_statement_cppquote(const char *str)
2833 {
2834 statement_t *stmt = make_statement(STMT_CPPQUOTE);
2835 stmt->u.str = str;
2836 return stmt;
2837 }
2838
2839 static statement_t *make_statement_importlib(const char *str)
2840 {
2841 statement_t *stmt = make_statement(STMT_IMPORTLIB);
2842 stmt->u.str = str;
2843 return stmt;
2844 }
2845
2846 static statement_t *make_statement_import(const char *str)
2847 {
2848 statement_t *stmt = make_statement(STMT_IMPORT);
2849 stmt->u.str = str;
2850 return stmt;
2851 }
2852
2853 static statement_t *make_statement_module(type_t *type)
2854 {
2855 statement_t *stmt = make_statement(STMT_MODULE);
2856 stmt->u.type = type;
2857 return stmt;
2858 }
2859
2860 static statement_t *make_statement_typedef(declarator_list_t *decls)
2861 {
2862 declarator_t *decl, *next;
2863 statement_t *stmt;
2864 type_list_t **type_list;
2865
2866 if (!decls) return NULL;
2867
2868 stmt = make_statement(STMT_TYPEDEF);
2869 stmt->u.type_list = NULL;
2870 type_list = &stmt->u.type_list;
2871
2872 LIST_FOR_EACH_ENTRY_SAFE( decl, next, decls, declarator_t, entry )
2873 {
2874 var_t *var = decl->var;
2875 type_t *type = find_type_or_error(var->name, 0);
2876 *type_list = xmalloc(sizeof(type_list_t));
2877 (*type_list)->type = type;
2878 (*type_list)->next = NULL;
2879
2880 type_list = &(*type_list)->next;
2881 free(decl);
2882 free(var);
2883 }
2884
2885 return stmt;
2886 }
2887
2888 static statement_list_t *append_statements(statement_list_t *l1, statement_list_t *l2)
2889 {
2890 if (!l2) return l1;
2891 if (!l1 || l1 == l2) return l2;
2892 list_move_tail (l1, l2);
2893 return l1;
2894 }
2895
2896 static attr_list_t *append_attribs(attr_list_t *l1, attr_list_t *l2)
2897 {
2898 if (!l2) return l1;
2899 if (!l1 || l1 == l2) return l2;
2900 list_move_tail (l1, l2);
2901 return l1;
2902 }
2903
2904 static statement_list_t *append_statement(statement_list_t *list, statement_t *stmt)
2905 {
2906 if (!stmt) return list;
2907 if (!list)
2908 {
2909 list = xmalloc( sizeof(*list) );
2910 list_init( list );
2911 }
2912 list_add_tail( list, &stmt->entry );
2913 return list;
2914 }
2915
2916 void init_loc_info(loc_info_t *i)
2917 {
2918 i->input_name = input_name ? input_name : "stdin";
2919 i->line_number = line_number;
2920 i->near_text = parser_text;
2921 }
2922
2923 static void check_def(const type_t *t)
2924 {
2925 if (t->defined)
2926 error_loc("%s: redefinition error; original definition was at %s:%d\n",
2927 t->name, t->loc_info.input_name, t->loc_info.line_number);
2928 }
Windows API implementation