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widl: Allow inputsync-attribute on functions.
[wine.git] / tools / widl / parser.y
blobc55ee418d87df34d442ad96a26b6674bcb9d735d
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 char *gen_name(void);
94 static void check_arg_attrs(const var_t *arg);
95 static void check_statements(const statement_list_t *stmts, int is_inside_library);
96 static void check_all_user_types(const statement_list_t *stmts);
97 static attr_list_t *check_iface_attrs(const char *name, attr_list_t *attrs);
98 static attr_list_t *check_function_attrs(const char *name, attr_list_t *attrs);
99 static attr_list_t *check_typedef_attrs(attr_list_t *attrs);
100 static attr_list_t *check_enum_attrs(attr_list_t *attrs);
101 static attr_list_t *check_struct_attrs(attr_list_t *attrs);
102 static attr_list_t *check_union_attrs(attr_list_t *attrs);
103 static attr_list_t *check_field_attrs(const char *name, attr_list_t *attrs);
104 static attr_list_t *check_library_attrs(const char *name, attr_list_t *attrs);
105 static attr_list_t *check_dispiface_attrs(const char *name, attr_list_t *attrs);
106 static attr_list_t *check_module_attrs(const char *name, attr_list_t *attrs);
107 static attr_list_t *check_coclass_attrs(const char *name, attr_list_t *attrs);
108 const char *get_attr_display_name(enum attr_type type);
109 static void add_explicit_handle_if_necessary(const type_t *iface, var_t *func);
110 static void check_def(const type_t *t);
111
112 static statement_t *make_statement(enum statement_type type);
113 static statement_t *make_statement_type_decl(type_t *type);
114 static statement_t *make_statement_reference(type_t *type);
115 static statement_t *make_statement_declaration(var_t *var);
116 static statement_t *make_statement_library(typelib_t *typelib);
117 static statement_t *make_statement_cppquote(const char *str);
118 static statement_t *make_statement_importlib(const char *str);
119 static statement_t *make_statement_module(type_t *type);
120 static statement_t *make_statement_typedef(var_list_t *names);
121 static statement_t *make_statement_import(const char *str);
122 static statement_t *make_statement_typedef(var_list_t *names);
123 static statement_list_t *append_statement(statement_list_t *list, statement_t *stmt);
124 static statement_list_t *append_statements(statement_list_t *, statement_list_t *);
125 static attr_list_t *append_attribs(attr_list_t *, attr_list_t *);
126
127 %}
128 %union {
129 attr_t *attr;
130 attr_list_t *attr_list;
131 str_list_t *str_list;
132 expr_t *expr;
133 expr_list_t *expr_list;
134 array_dims_t *array_dims;
135 type_t *type;
136 var_t *var;
137 var_list_t *var_list;
138 declarator_t *declarator;
139 declarator_list_t *declarator_list;
140 statement_t *statement;
141 statement_list_t *stmt_list;
142 ifref_t *ifref;
143 ifref_list_t *ifref_list;
144 char *str;
145 UUID *uuid;
146 unsigned int num;
147 double dbl;
148 interface_info_t ifinfo;
149 typelib_t *typelib;
150 struct _import_t *import;
151 struct _decl_spec_t *declspec;
152 enum storage_class stgclass;
153 }
154
155 %token <str> aIDENTIFIER
156 %token <str> aKNOWNTYPE
157 %token <num> aNUM aHEXNUM
158 %token <dbl> aDOUBLE
159 %token <str> aSTRING aWSTRING aSQSTRING
160 %token <uuid> aUUID
161 %token aEOF
162 %token SHL SHR
163 %token MEMBERPTR
164 %token EQUALITY INEQUALITY
165 %token GREATEREQUAL LESSEQUAL
166 %token LOGICALOR LOGICALAND
167 %token ELLIPSIS
168 %token tAGGREGATABLE tALLOCATE tANNOTATION tAPPOBJECT tASYNC tASYNCUUID
169 %token tAUTOHANDLE tBINDABLE tBOOLEAN tBROADCAST tBYTE tBYTECOUNT
170 %token tCALLAS tCALLBACK tCASE tCDECL tCHAR tCOCLASS tCODE tCOMMSTATUS
171 %token tCONST tCONTEXTHANDLE tCONTEXTHANDLENOSERIALIZE
172 %token tCONTEXTHANDLESERIALIZE tCONTROL tCPPQUOTE
173 %token tDECODE tDEFAULT tDEFAULTBIND
174 %token tDEFAULTCOLLELEM
175 %token tDEFAULTVALUE
176 %token tDEFAULTVTABLE
177 %token tDISABLECONSISTENCYCHECK tDISPLAYBIND
178 %token tDISPINTERFACE
179 %token tDLLNAME tDOUBLE tDUAL
180 %token tENABLEALLOCATE tENCODE tENDPOINT
181 %token tENTRY tENUM tERRORSTATUST
182 %token tEXPLICITHANDLE tEXTERN
183 %token tFALSE
184 %token tFASTCALL tFAULTSTATUS
185 %token tFLOAT tFORCEALLOCATE
186 %token tHANDLE
187 %token tHANDLET
188 %token tHELPCONTEXT tHELPFILE
189 %token tHELPSTRING tHELPSTRINGCONTEXT tHELPSTRINGDLL
190 %token tHIDDEN
191 %token tHYPER tID tIDEMPOTENT
192 %token tIGNORE tIIDIS
193 %token tIMMEDIATEBIND
194 %token tIMPLICITHANDLE
195 %token tIMPORT tIMPORTLIB
196 %token tIN tIN_LINE tINLINE
197 %token tINPUTSYNC
198 %token tINT tINT3264 tINT64
199 %token tINTERFACE
200 %token tLCID
201 %token tLENGTHIS tLIBRARY
202 %token tLICENSED tLOCAL
203 %token tLONG
204 %token tMAYBE tMESSAGE
205 %token tMETHODS
206 %token tMODULE
207 %token tNAMESPACE
208 %token tNOCODE tNONBROWSABLE
209 %token tNONCREATABLE
210 %token tNONEXTENSIBLE
211 %token tNOTIFY tNOTIFYFLAG
212 %token tNULL
213 %token tOBJECT tODL tOLEAUTOMATION
214 %token tOPTIMIZE tOPTIONAL
215 %token tOUT
216 %token tPARTIALIGNORE tPASCAL
217 %token tPOINTERDEFAULT
218 %token tPROGID tPROPERTIES
219 %token tPROPGET tPROPPUT tPROPPUTREF
220 %token tPROXY tPTR
221 %token tPUBLIC
222 %token tRANGE
223 %token tREADONLY tREF
224 %token tREGISTER tREPRESENTAS
225 %token tREQUESTEDIT
226 %token tRESTRICTED
227 %token tRETVAL
228 %token tSAFEARRAY
229 %token tSHORT
230 %token tSIGNED
231 %token tSIZEIS tSIZEOF
232 %token tSMALL
233 %token tSOURCE
234 %token tSTATIC
235 %token tSTDCALL
236 %token tSTRICTCONTEXTHANDLE
237 %token tSTRING tSTRUCT
238 %token tSWITCH tSWITCHIS tSWITCHTYPE
239 %token tTHREADING tTRANSMITAS
240 %token tTRUE
241 %token tTYPEDEF
242 %token tUIDEFAULT tUNION
243 %token tUNIQUE
244 %token tUNSIGNED
245 %token tUSESGETLASTERROR tUSERMARSHAL tUUID
246 %token tV1ENUM
247 %token tVARARG
248 %token tVERSION tVIPROGID
249 %token tVOID
250 %token tWCHAR tWIREMARSHAL
251 %token tAPARTMENT tNEUTRAL tSINGLE tFREE tBOTH
252
253 %type <attr> attribute type_qualifier function_specifier
254 %type <attr_list> m_attributes attributes attrib_list m_type_qual_list
255 %type <str_list> str_list
256 %type <expr> m_expr expr expr_const expr_int_const array m_bitfield
257 %type <expr_list> m_exprs /* exprs expr_list */ expr_list_int_const
258 %type <ifinfo> interfacehdr
259 %type <stgclass> storage_cls_spec
260 %type <declspec> decl_spec decl_spec_no_type m_decl_spec_no_type
261 %type <type> inherit interface interfacedef interfacedec
262 %type <type> dispinterface dispinterfacehdr dispinterfacedef
263 %type <type> module modulehdr moduledef
264 %type <type> namespacedef
265 %type <type> base_type int_std
266 %type <type> enumdef structdef uniondef typedecl
267 %type <type> type
268 %type <ifref> coclass_int
269 %type <ifref_list> coclass_ints
270 %type <var> arg ne_union_field union_field s_field case enum declaration
271 %type <var> funcdef
272 %type <var_list> m_args arg_list args dispint_meths
273 %type <var_list> fields ne_union_fields cases enums enum_list dispint_props field
274 %type <var> m_ident ident
275 %type <declarator> declarator direct_declarator init_declarator struct_declarator
276 %type <declarator> m_any_declarator any_declarator any_declarator_no_direct any_direct_declarator
277 %type <declarator> m_abstract_declarator abstract_declarator abstract_declarator_no_direct abstract_direct_declarator
278 %type <declarator_list> declarator_list struct_declarator_list
279 %type <type> coclass coclasshdr coclassdef
280 %type <num> pointer_type threading_type version
281 %type <str> libraryhdr callconv cppquote importlib import t_ident
282 %type <uuid> uuid_string
283 %type <import> import_start
284 %type <typelib> library_start librarydef
285 %type <statement> statement typedef
286 %type <stmt_list> gbl_statements imp_statements int_statements
287
288 %left ','
289 %right '?' ':'
290 %left LOGICALOR
291 %left LOGICALAND
292 %left '|'
293 %left '^'
294 %left '&'
295 %left EQUALITY INEQUALITY
296 %left '<' '>' LESSEQUAL GREATEREQUAL
297 %left SHL SHR
298 %left '-' '+'
299 %left '*' '/' '%'
300 %right '!' '~' CAST PPTR POS NEG ADDRESSOF tSIZEOF
301 %left '.' MEMBERPTR '[' ']'
302
303 %error-verbose
304
305 %%
306
307 input: gbl_statements { fix_incomplete();
308 check_statements($1, FALSE);
309 check_all_user_types($1);
310 write_header($1);
311 write_id_data($1);
312 write_proxies($1);
313 write_client($1);
314 write_server($1);
315 write_regscript($1);
316 write_dlldata($1);
317 write_local_stubs($1);
318 }
319 ;
320
321 gbl_statements: { $$ = NULL; }
322 | gbl_statements namespacedef '{' gbl_statements '}'
323 { $$ = append_statements($1, $4); }
324 | gbl_statements interfacedec { $$ = append_statement($1, make_statement_reference($2)); }
325 | gbl_statements interfacedef { $$ = append_statement($1, make_statement_type_decl($2)); }
326 | gbl_statements coclass ';' { $$ = $1;
327 reg_type($2, $2->name, 0);
328 }
329 | gbl_statements coclassdef { $$ = append_statement($1, make_statement_type_decl($2));
330 reg_type($2, $2->name, 0);
331 }
332 | gbl_statements moduledef { $$ = append_statement($1, make_statement_module($2)); }
333 | gbl_statements librarydef { $$ = append_statement($1, make_statement_library($2)); }
334 | gbl_statements statement { $$ = append_statement($1, $2); }
335 ;
336
337 imp_statements: { $$ = NULL; }
338 | imp_statements interfacedec { $$ = append_statement($1, make_statement_reference($2)); }
339 | imp_statements namespacedef '{' imp_statements '}'
340 { $$ = append_statements($1, $4); }
341 | imp_statements interfacedef { $$ = append_statement($1, make_statement_type_decl($2)); }
342 | imp_statements coclass ';' { $$ = $1; reg_type($2, $2->name, 0); }
343 | imp_statements coclassdef { $$ = append_statement($1, make_statement_type_decl($2));
344 reg_type($2, $2->name, 0);
345 }
346 | imp_statements moduledef { $$ = append_statement($1, make_statement_module($2)); }
347 | imp_statements statement { $$ = append_statement($1, $2); }
348 | imp_statements importlib { $$ = append_statement($1, make_statement_importlib($2)); }
349 | imp_statements librarydef { $$ = append_statement($1, make_statement_library($2)); }
350 ;
351
352 int_statements: { $$ = NULL; }
353 | int_statements statement { $$ = append_statement($1, $2); }
354 ;
355
356 semicolon_opt:
357 | ';'
358 ;
359
360 statement:
361 cppquote { $$ = make_statement_cppquote($1); }
362 | typedecl ';' { $$ = make_statement_type_decl($1); }
363 | declaration ';' { $$ = make_statement_declaration($1); }
364 | import { $$ = make_statement_import($1); }
365 | typedef ';' { $$ = $1; }
366 ;
367
368 typedecl:
369 enumdef
370 | tENUM aIDENTIFIER { $$ = type_new_enum($2, FALSE, NULL); }
371 | structdef
372 | tSTRUCT aIDENTIFIER { $$ = type_new_struct($2, FALSE, NULL); }
373 | uniondef
374 | tUNION aIDENTIFIER { $$ = type_new_nonencapsulated_union($2, FALSE, NULL); }
375 | attributes enumdef { $$ = $2; $$->attrs = check_enum_attrs($1); }
376 | attributes structdef { $$ = $2; $$->attrs = check_struct_attrs($1); }
377 | attributes uniondef { $$ = $2; $$->attrs = check_union_attrs($1); }
378 ;
379
380 cppquote: tCPPQUOTE '(' aSTRING ')' { $$ = $3; }
381 ;
382 import_start: tIMPORT aSTRING ';' { assert(yychar == YYEMPTY);
383 $$ = xmalloc(sizeof(struct _import_t));
384 $$->name = $2;
385 $$->import_performed = do_import($2);
386 if (!$$->import_performed) yychar = aEOF;
387 }
388 ;
389
390 import: import_start imp_statements aEOF { $$ = $1->name;
391 if ($1->import_performed) pop_import();
392 free($1);
393 }
394 ;
395
396 importlib: tIMPORTLIB '(' aSTRING ')'
397 semicolon_opt { $$ = $3; if(!parse_only) add_importlib($3); }
398 ;
399
400 libraryhdr: tLIBRARY aIDENTIFIER { $$ = $2; }
401 ;
402 library_start: attributes libraryhdr '{' { $$ = make_library($2, check_library_attrs($2, $1));
403 if (!parse_only) start_typelib($$);
404 }
405 ;
406 librarydef: library_start imp_statements '}'
407 semicolon_opt { $$ = $1;
408 $$->stmts = $2;
409 if (!parse_only) end_typelib();
410 }
411 ;
412
413 m_args: { $$ = NULL; }
414 | args
415 ;
416
417 arg_list: arg { check_arg_attrs($1); $$ = append_var( NULL, $1 ); }
418 | arg_list ',' arg { check_arg_attrs($3); $$ = append_var( $1, $3 ); }
419 ;
420
421 args: arg_list
422 | arg_list ',' ELLIPSIS { $$ = append_var( $1, make_var(strdup("...")) ); }
423 ;
424
425 /* split into two rules to get bison to resolve a tVOID conflict */
426 arg: attributes decl_spec m_any_declarator { if ($2->stgclass != STG_NONE && $2->stgclass != STG_REGISTER)
427 error_loc("invalid storage class for function parameter\n");
428 $$ = declare_var($1, $2, $3, TRUE);
429 free($2); free($3);
430 }
431 | decl_spec m_any_declarator { if ($1->stgclass != STG_NONE && $1->stgclass != STG_REGISTER)
432 error_loc("invalid storage class for function parameter\n");
433 $$ = declare_var(NULL, $1, $2, TRUE);
434 free($1); free($2);
435 }
436 ;
437
438 array: '[' expr ']' { $$ = $2;
439 if (!$$->is_const)
440 error_loc("array dimension is not an integer constant\n");
441 }
442 | '[' '*' ']' { $$ = make_expr(EXPR_VOID); }
443 | '[' ']' { $$ = make_expr(EXPR_VOID); }
444 ;
445
446 m_attributes: { $$ = NULL; }
447 | attributes
448 ;
449
450 attributes:
451 '[' attrib_list ']' { $$ = $2; }
452 ;
453
454 attrib_list: attribute { $$ = append_attr( NULL, $1 ); }
455 | attrib_list ',' attribute { $$ = append_attr( $1, $3 ); }
456 | attrib_list ']' '[' attribute { $$ = append_attr( $1, $4 ); }
457 ;
458
459 str_list: aSTRING { $$ = append_str( NULL, $1 ); }
460 | str_list ',' aSTRING { $$ = append_str( $1, $3 ); }
461 ;
462
463 attribute: { $$ = NULL; }
464 | tAGGREGATABLE { $$ = make_attr(ATTR_AGGREGATABLE); }
465 | tANNOTATION '(' aSTRING ')' { $$ = make_attrp(ATTR_ANNOTATION, $3); }
466 | tAPPOBJECT { $$ = make_attr(ATTR_APPOBJECT); }
467 | tASYNC { $$ = make_attr(ATTR_ASYNC); }
468 | tAUTOHANDLE { $$ = make_attr(ATTR_AUTO_HANDLE); }
469 | tBINDABLE { $$ = make_attr(ATTR_BINDABLE); }
470 | tBROADCAST { $$ = make_attr(ATTR_BROADCAST); }
471 | tCALLAS '(' ident ')' { $$ = make_attrp(ATTR_CALLAS, $3); }
472 | tCASE '(' expr_list_int_const ')' { $$ = make_attrp(ATTR_CASE, $3); }
473 | tCODE { $$ = make_attr(ATTR_CODE); }
474 | tCOMMSTATUS { $$ = make_attr(ATTR_COMMSTATUS); }
475 | tCONTEXTHANDLE { $$ = make_attrv(ATTR_CONTEXTHANDLE, 0); }
476 | tCONTEXTHANDLENOSERIALIZE { $$ = make_attrv(ATTR_CONTEXTHANDLE, 0); /* RPC_CONTEXT_HANDLE_DONT_SERIALIZE */ }
477 | tCONTEXTHANDLESERIALIZE { $$ = make_attrv(ATTR_CONTEXTHANDLE, 0); /* RPC_CONTEXT_HANDLE_SERIALIZE */ }
478 | tCONTROL { $$ = make_attr(ATTR_CONTROL); }
479 | tDECODE { $$ = make_attr(ATTR_DECODE); }
480 | tDEFAULT { $$ = make_attr(ATTR_DEFAULT); }
481 | tDEFAULTBIND { $$ = make_attr(ATTR_DEFAULTBIND); }
482 | tDEFAULTCOLLELEM { $$ = make_attr(ATTR_DEFAULTCOLLELEM); }
483 | tDEFAULTVALUE '(' expr_const ')' { $$ = make_attrp(ATTR_DEFAULTVALUE, $3); }
484 | tDEFAULTVTABLE { $$ = make_attr(ATTR_DEFAULTVTABLE); }
485 | tDISABLECONSISTENCYCHECK { $$ = make_attr(ATTR_DISABLECONSISTENCYCHECK); }
486 | tDISPLAYBIND { $$ = make_attr(ATTR_DISPLAYBIND); }
487 | tDLLNAME '(' aSTRING ')' { $$ = make_attrp(ATTR_DLLNAME, $3); }
488 | tDUAL { $$ = make_attr(ATTR_DUAL); }
489 | tENABLEALLOCATE { $$ = make_attr(ATTR_ENABLEALLOCATE); }
490 | tENCODE { $$ = make_attr(ATTR_ENCODE); }
491 | tENDPOINT '(' str_list ')' { $$ = make_attrp(ATTR_ENDPOINT, $3); }
492 | tENTRY '(' expr_const ')' { $$ = make_attrp(ATTR_ENTRY, $3); }
493 | tEXPLICITHANDLE { $$ = make_attr(ATTR_EXPLICIT_HANDLE); }
494 | tFAULTSTATUS { $$ = make_attr(ATTR_FAULTSTATUS); }
495 | tFORCEALLOCATE { $$ = make_attr(ATTR_FORCEALLOCATE); }
496 | tHANDLE { $$ = make_attr(ATTR_HANDLE); }
497 | tHELPCONTEXT '(' expr_int_const ')' { $$ = make_attrp(ATTR_HELPCONTEXT, $3); }
498 | tHELPFILE '(' aSTRING ')' { $$ = make_attrp(ATTR_HELPFILE, $3); }
499 | tHELPSTRING '(' aSTRING ')' { $$ = make_attrp(ATTR_HELPSTRING, $3); }
500 | tHELPSTRINGCONTEXT '(' expr_int_const ')' { $$ = make_attrp(ATTR_HELPSTRINGCONTEXT, $3); }
501 | tHELPSTRINGDLL '(' aSTRING ')' { $$ = make_attrp(ATTR_HELPSTRINGDLL, $3); }
502 | tHIDDEN { $$ = make_attr(ATTR_HIDDEN); }
503 | tID '(' expr_int_const ')' { $$ = make_attrp(ATTR_ID, $3); }
504 | tIDEMPOTENT { $$ = make_attr(ATTR_IDEMPOTENT); }
505 | tIGNORE { $$ = make_attr(ATTR_IGNORE); }
506 | tIIDIS '(' expr ')' { $$ = make_attrp(ATTR_IIDIS, $3); }
507 | tIMMEDIATEBIND { $$ = make_attr(ATTR_IMMEDIATEBIND); }
508 | tIMPLICITHANDLE '(' arg ')' { $$ = make_attrp(ATTR_IMPLICIT_HANDLE, $3); }
509 | tIN { $$ = make_attr(ATTR_IN); }
510 | tINPUTSYNC { $$ = make_attr(ATTR_INPUTSYNC); }
511 | tLENGTHIS '(' m_exprs ')' { $$ = make_attrp(ATTR_LENGTHIS, $3); }
512 | tLCID '(' expr_int_const ')' { $$ = make_attrp(ATTR_LIBLCID, $3); }
513 | tLCID { $$ = make_attr(ATTR_PARAMLCID); }
514 | tLICENSED { $$ = make_attr(ATTR_LICENSED); }
515 | tLOCAL { $$ = make_attr(ATTR_LOCAL); }
516 | tMAYBE { $$ = make_attr(ATTR_MAYBE); }
517 | tMESSAGE { $$ = make_attr(ATTR_MESSAGE); }
518 | tNOCODE { $$ = make_attr(ATTR_NOCODE); }
519 | tNONBROWSABLE { $$ = make_attr(ATTR_NONBROWSABLE); }
520 | tNONCREATABLE { $$ = make_attr(ATTR_NONCREATABLE); }
521 | tNONEXTENSIBLE { $$ = make_attr(ATTR_NONEXTENSIBLE); }
522 | tNOTIFY { $$ = make_attr(ATTR_NOTIFY); }
523 | tNOTIFYFLAG { $$ = make_attr(ATTR_NOTIFYFLAG); }
524 | tOBJECT { $$ = make_attr(ATTR_OBJECT); }
525 | tODL { $$ = make_attr(ATTR_ODL); }
526 | tOLEAUTOMATION { $$ = make_attr(ATTR_OLEAUTOMATION); }
527 | tOPTIMIZE '(' aSTRING ')' { $$ = make_attrp(ATTR_OPTIMIZE, $3); }
528 | tOPTIONAL { $$ = make_attr(ATTR_OPTIONAL); }
529 | tOUT { $$ = make_attr(ATTR_OUT); }
530 | tPARTIALIGNORE { $$ = make_attr(ATTR_PARTIALIGNORE); }
531 | tPOINTERDEFAULT '(' pointer_type ')' { $$ = make_attrv(ATTR_POINTERDEFAULT, $3); }
532 | tPROGID '(' aSTRING ')' { $$ = make_attrp(ATTR_PROGID, $3); }
533 | tPROPGET { $$ = make_attr(ATTR_PROPGET); }
534 | tPROPPUT { $$ = make_attr(ATTR_PROPPUT); }
535 | tPROPPUTREF { $$ = make_attr(ATTR_PROPPUTREF); }
536 | tPROXY { $$ = make_attr(ATTR_PROXY); }
537 | tPUBLIC { $$ = make_attr(ATTR_PUBLIC); }
538 | tRANGE '(' expr_int_const ',' expr_int_const ')'
539 { expr_list_t *list = append_expr( NULL, $3 );
540 list = append_expr( list, $5 );
541 $$ = make_attrp(ATTR_RANGE, list); }
542 | tREADONLY { $$ = make_attr(ATTR_READONLY); }
543 | tREPRESENTAS '(' type ')' { $$ = make_attrp(ATTR_REPRESENTAS, $3); }
544 | tREQUESTEDIT { $$ = make_attr(ATTR_REQUESTEDIT); }
545 | tRESTRICTED { $$ = make_attr(ATTR_RESTRICTED); }
546 | tRETVAL { $$ = make_attr(ATTR_RETVAL); }
547 | tSIZEIS '(' m_exprs ')' { $$ = make_attrp(ATTR_SIZEIS, $3); }
548 | tSOURCE { $$ = make_attr(ATTR_SOURCE); }
549 | tSTRICTCONTEXTHANDLE { $$ = make_attr(ATTR_STRICTCONTEXTHANDLE); }
550 | tSTRING { $$ = make_attr(ATTR_STRING); }
551 | tSWITCHIS '(' expr ')' { $$ = make_attrp(ATTR_SWITCHIS, $3); }
552 | tSWITCHTYPE '(' type ')' { $$ = make_attrp(ATTR_SWITCHTYPE, $3); }
553 | tTRANSMITAS '(' type ')' { $$ = make_attrp(ATTR_TRANSMITAS, $3); }
554 | tTHREADING '(' threading_type ')' { $$ = make_attrv(ATTR_THREADING, $3); }
555 | tUIDEFAULT { $$ = make_attr(ATTR_UIDEFAULT); }
556 | tUSESGETLASTERROR { $$ = make_attr(ATTR_USESGETLASTERROR); }
557 | tUSERMARSHAL '(' type ')' { $$ = make_attrp(ATTR_USERMARSHAL, $3); }
558 | tUUID '(' uuid_string ')' { $$ = make_attrp(ATTR_UUID, $3); }
559 | tV1ENUM { $$ = make_attr(ATTR_V1ENUM); }
560 | tVARARG { $$ = make_attr(ATTR_VARARG); }
561 | tVERSION '(' version ')' { $$ = make_attrv(ATTR_VERSION, $3); }
562 | tVIPROGID '(' aSTRING ')' { $$ = make_attrp(ATTR_VIPROGID, $3); }
563 | tWIREMARSHAL '(' type ')' { $$ = make_attrp(ATTR_WIREMARSHAL, $3); }
564 | pointer_type { $$ = make_attrv(ATTR_POINTERTYPE, $1); }
565 ;
566
567 uuid_string:
568 aUUID
569 | aSTRING { if (!is_valid_uuid($1))
570 error_loc("invalid UUID: %s\n", $1);
571 $$ = parse_uuid($1); }
572 ;
573
574 callconv: tCDECL { $$ = xstrdup("__cdecl"); }
575 | tFASTCALL { $$ = xstrdup("__fastcall"); }
576 | tPASCAL { $$ = xstrdup("__pascal"); }
577 | tSTDCALL { $$ = xstrdup("__stdcall"); }
578 ;
579
580 cases: { $$ = NULL; }
581 | cases case { $$ = append_var( $1, $2 ); }
582 ;
583
584 case: tCASE expr_int_const ':' union_field { attr_t *a = make_attrp(ATTR_CASE, append_expr( NULL, $2 ));
585 $$ = $4; if (!$$) $$ = make_var(NULL);
586 $$->attrs = append_attr( $$->attrs, a );
587 }
588 | tDEFAULT ':' union_field { attr_t *a = make_attr(ATTR_DEFAULT);
589 $$ = $3; if (!$$) $$ = make_var(NULL);
590 $$->attrs = append_attr( $$->attrs, a );
591 }
592 ;
593
594 enums: { $$ = NULL; }
595 | enum_list ',' { $$ = $1; }
596 | enum_list
597 ;
598
599 enum_list: enum { if (!$1->eval)
600 $1->eval = make_exprl(EXPR_NUM, 0 /* default for first enum entry */);
601 $$ = append_var( NULL, $1 );
602 }
603 | enum_list ',' enum { if (!$3->eval)
604 {
605 var_t *last = LIST_ENTRY( list_tail($$), var_t, entry );
606 enum expr_type type = EXPR_NUM;
607 if (last->eval->type == EXPR_HEXNUM) type = EXPR_HEXNUM;
608 if (last->eval->cval + 1 < 0) type = EXPR_HEXNUM;
609 $3->eval = make_exprl(type, last->eval->cval + 1);
610 }
611 $$ = append_var( $1, $3 );
612 }
613 ;
614
615 enum: ident '=' expr_int_const { $$ = reg_const($1);
616 $$->eval = $3;
617 $$->type = type_new_int(TYPE_BASIC_INT, 0);
618 }
619 | ident { $$ = reg_const($1);
620 $$->type = type_new_int(TYPE_BASIC_INT, 0);
621 }
622 ;
623
624 enumdef: tENUM t_ident '{' enums '}' { $$ = type_new_enum($2, TRUE, $4); }
625 ;
626
627 m_exprs: m_expr { $$ = append_expr( NULL, $1 ); }
628 | m_exprs ',' m_expr { $$ = append_expr( $1, $3 ); }
629 ;
630
631 m_expr: { $$ = make_expr(EXPR_VOID); }
632 | expr
633 ;
634
635 expr: aNUM { $$ = make_exprl(EXPR_NUM, $1); }
636 | aHEXNUM { $$ = make_exprl(EXPR_HEXNUM, $1); }
637 | aDOUBLE { $$ = make_exprd(EXPR_DOUBLE, $1); }
638 | tFALSE { $$ = make_exprl(EXPR_TRUEFALSE, 0); }
639 | tNULL { $$ = make_exprl(EXPR_NUM, 0); }
640 | tTRUE { $$ = make_exprl(EXPR_TRUEFALSE, 1); }
641 | aSTRING { $$ = make_exprs(EXPR_STRLIT, $1); }
642 | aWSTRING { $$ = make_exprs(EXPR_WSTRLIT, $1); }
643 | aSQSTRING { $$ = make_exprs(EXPR_CHARCONST, $1); }
644 | aIDENTIFIER { $$ = make_exprs(EXPR_IDENTIFIER, $1); }
645 | expr '?' expr ':' expr { $$ = make_expr3(EXPR_COND, $1, $3, $5); }
646 | expr LOGICALOR expr { $$ = make_expr2(EXPR_LOGOR, $1, $3); }
647 | expr LOGICALAND expr { $$ = make_expr2(EXPR_LOGAND, $1, $3); }
648 | expr '|' expr { $$ = make_expr2(EXPR_OR , $1, $3); }
649 | expr '^' expr { $$ = make_expr2(EXPR_XOR, $1, $3); }
650 | expr '&' expr { $$ = make_expr2(EXPR_AND, $1, $3); }
651 | expr EQUALITY expr { $$ = make_expr2(EXPR_EQUALITY, $1, $3); }
652 | expr INEQUALITY expr { $$ = make_expr2(EXPR_INEQUALITY, $1, $3); }
653 | expr '>' expr { $$ = make_expr2(EXPR_GTR, $1, $3); }
654 | expr '<' expr { $$ = make_expr2(EXPR_LESS, $1, $3); }
655 | expr GREATEREQUAL expr { $$ = make_expr2(EXPR_GTREQL, $1, $3); }
656 | expr LESSEQUAL expr { $$ = make_expr2(EXPR_LESSEQL, $1, $3); }
657 | expr SHL expr { $$ = make_expr2(EXPR_SHL, $1, $3); }
658 | expr SHR expr { $$ = make_expr2(EXPR_SHR, $1, $3); }
659 | expr '+' expr { $$ = make_expr2(EXPR_ADD, $1, $3); }
660 | expr '-' expr { $$ = make_expr2(EXPR_SUB, $1, $3); }
661 | expr '%' expr { $$ = make_expr2(EXPR_MOD, $1, $3); }
662 | expr '*' expr { $$ = make_expr2(EXPR_MUL, $1, $3); }
663 | expr '/' expr { $$ = make_expr2(EXPR_DIV, $1, $3); }
664 | '!' expr { $$ = make_expr1(EXPR_LOGNOT, $2); }
665 | '~' expr { $$ = make_expr1(EXPR_NOT, $2); }
666 | '+' expr %prec POS { $$ = make_expr1(EXPR_POS, $2); }
667 | '-' expr %prec NEG { $$ = make_expr1(EXPR_NEG, $2); }
668 | '&' expr %prec ADDRESSOF { $$ = make_expr1(EXPR_ADDRESSOF, $2); }
669 | '*' expr %prec PPTR { $$ = make_expr1(EXPR_PPTR, $2); }
670 | expr MEMBERPTR aIDENTIFIER { $$ = make_expr2(EXPR_MEMBER, make_expr1(EXPR_PPTR, $1), make_exprs(EXPR_IDENTIFIER, $3)); }
671 | expr '.' aIDENTIFIER { $$ = make_expr2(EXPR_MEMBER, $1, make_exprs(EXPR_IDENTIFIER, $3)); }
672 | '(' decl_spec m_abstract_declarator ')' expr %prec CAST
673 { $$ = make_exprt(EXPR_CAST, declare_var(NULL, $2, $3, 0), $5); free($2); free($3); }
674 | tSIZEOF '(' decl_spec m_abstract_declarator ')'
675 { $$ = make_exprt(EXPR_SIZEOF, declare_var(NULL, $3, $4, 0), NULL); free($3); free($4); }
676 | expr '[' expr ']' { $$ = make_expr2(EXPR_ARRAY, $1, $3); }
677 | '(' expr ')' { $$ = $2; }
678 ;
679
680 expr_list_int_const: expr_int_const { $$ = append_expr( NULL, $1 ); }
681 | expr_list_int_const ',' expr_int_const { $$ = append_expr( $1, $3 ); }
682 ;
683
684 expr_int_const: expr { $$ = $1;
685 if (!$$->is_const)
686 error_loc("expression is not an integer constant\n");
687 }
688 ;
689
690 expr_const: expr { $$ = $1;
691 if (!$$->is_const && $$->type != EXPR_STRLIT && $$->type != EXPR_WSTRLIT)
692 error_loc("expression is not constant\n");
693 }
694 ;
695
696 fields: { $$ = NULL; }
697 | fields field { $$ = append_var_list($1, $2); }
698 ;
699
700 field: m_attributes decl_spec struct_declarator_list ';'
701 { const char *first = LIST_ENTRY(list_head($3), declarator_t, entry)->var->name;
702 check_field_attrs(first, $1);
703 $$ = set_var_types($1, $2, $3);
704 }
705 | m_attributes uniondef ';' { var_t *v = make_var(NULL);
706 v->type = $2; v->attrs = $1;
707 $$ = append_var(NULL, v);
708 }
709 ;
710
711 ne_union_field:
712 s_field ';' { $$ = $1; }
713 | attributes ';' { $$ = make_var(NULL); $$->attrs = $1; }
714 ;
715
716 ne_union_fields: { $$ = NULL; }
717 | ne_union_fields ne_union_field { $$ = append_var( $1, $2 ); }
718 ;
719
720 union_field:
721 s_field ';' { $$ = $1; }
722 | ';' { $$ = NULL; }
723 ;
724
725 s_field: m_attributes decl_spec declarator { $$ = declare_var(check_field_attrs($3->var->name, $1),
726 $2, $3, FALSE);
727 free($3);
728 }
729 | m_attributes structdef { var_t *v = make_var(NULL);
730 v->type = $2; v->attrs = $1;
731 $$ = v;
732 }
733 ;
734
735 funcdef: declaration { $$ = $1;
736 if (type_get_type($$->type) != TYPE_FUNCTION)
737 error_loc("only methods may be declared inside the methods section of a dispinterface\n");
738 check_function_attrs($$->name, $$->attrs);
739 }
740 ;
741
742 declaration:
743 attributes decl_spec init_declarator
744 { $$ = declare_var($1, $2, $3, FALSE);
745 free($3);
746 }
747 | decl_spec init_declarator { $$ = declare_var(NULL, $1, $2, FALSE);
748 free($2);
749 }
750 ;
751
752 m_ident: { $$ = NULL; }
753 | ident
754 ;
755
756 t_ident: { $$ = NULL; }
757 | aIDENTIFIER { $$ = $1; }
758 | aKNOWNTYPE { $$ = $1; }
759 ;
760
761 ident: aIDENTIFIER { $$ = make_var($1); }
762 /* some "reserved words" used in attributes are also used as field names in some MS IDL files */
763 | aKNOWNTYPE { $$ = make_var($<str>1); }
764 ;
765
766 base_type: tBYTE { $$ = find_type_or_error($<str>1, 0); }
767 | tWCHAR { $$ = find_type_or_error($<str>1, 0); }
768 | int_std
769 | tSIGNED int_std { $$ = type_new_int(type_basic_get_type($2), -1); }
770 | tUNSIGNED int_std { $$ = type_new_int(type_basic_get_type($2), 1); }
771 | tUNSIGNED { $$ = type_new_int(TYPE_BASIC_INT, 1); }
772 | tFLOAT { $$ = find_type_or_error($<str>1, 0); }
773 | tDOUBLE { $$ = find_type_or_error($<str>1, 0); }
774 | tBOOLEAN { $$ = find_type_or_error($<str>1, 0); }
775 | tERRORSTATUST { $$ = find_type_or_error($<str>1, 0); }
776 | tHANDLET { $$ = find_type_or_error($<str>1, 0); }
777 ;
778
779 m_int:
780 | tINT
781 ;
782
783 int_std: tINT { $$ = type_new_int(TYPE_BASIC_INT, 0); }
784 | tSHORT m_int { $$ = type_new_int(TYPE_BASIC_INT16, 0); }
785 | tSMALL { $$ = type_new_int(TYPE_BASIC_INT8, 0); }
786 | tLONG m_int { $$ = type_new_int(TYPE_BASIC_INT32, 0); }
787 | tHYPER m_int { $$ = type_new_int(TYPE_BASIC_HYPER, 0); }
788 | tINT64 { $$ = type_new_int(TYPE_BASIC_INT64, 0); }
789 | tCHAR { $$ = type_new_int(TYPE_BASIC_CHAR, 0); }
790 | tINT3264 { $$ = type_new_int(TYPE_BASIC_INT3264, 0); }
791 ;
792
793 coclass: tCOCLASS aIDENTIFIER { $$ = type_new_coclass($2); }
794 | tCOCLASS aKNOWNTYPE { $$ = find_type($2, 0);
795 if (type_get_type_detect_alias($$) != TYPE_COCLASS)
796 error_loc("%s was not declared a coclass at %s:%d\n",
797 $2, $$->loc_info.input_name,
798 $$->loc_info.line_number);
799 }
800 ;
801
802 coclasshdr: attributes coclass { $$ = $2;
803 check_def($$);
804 $$->attrs = check_coclass_attrs($2->name, $1);
805 }
806 ;
807
808 coclassdef: coclasshdr '{' coclass_ints '}' semicolon_opt
809 { $$ = type_coclass_define($1, $3); }
810 ;
811
812 namespacedef: tNAMESPACE aIDENTIFIER { $$ = NULL; }
813 ;
814
815 coclass_ints: { $$ = NULL; }
816 | coclass_ints coclass_int { $$ = append_ifref( $1, $2 ); }
817 ;
818
819 coclass_int:
820 m_attributes interfacedec { $$ = make_ifref($2); $$->attrs = $1; }
821 ;
822
823 dispinterface: tDISPINTERFACE aIDENTIFIER { $$ = get_type(TYPE_INTERFACE, $2, 0); }
824 | tDISPINTERFACE aKNOWNTYPE { $$ = get_type(TYPE_INTERFACE, $2, 0); }
825 ;
826
827 dispinterfacehdr: attributes dispinterface { attr_t *attrs;
828 $$ = $2;
829 check_def($$);
830 attrs = make_attr(ATTR_DISPINTERFACE);
831 $$->attrs = append_attr( check_dispiface_attrs($2->name, $1), attrs );
832 $$->defined = TRUE;
833 }
834 ;
835
836 dispint_props: tPROPERTIES ':' { $$ = NULL; }
837 | dispint_props s_field ';' { $$ = append_var( $1, $2 ); }
838 ;
839
840 dispint_meths: tMETHODS ':' { $$ = NULL; }
841 | dispint_meths funcdef ';' { $$ = append_var( $1, $2 ); }
842 ;
843
844 dispinterfacedef: dispinterfacehdr '{'
845 dispint_props
846 dispint_meths
847 '}' { $$ = $1;
848 type_dispinterface_define($$, $3, $4);
849 }
850 | dispinterfacehdr
851 '{' interface ';' '}' { $$ = $1;
852 type_dispinterface_define_from_iface($$, $3);
853 }
854 ;
855
856 inherit: { $$ = NULL; }
857 | ':' aKNOWNTYPE { $$ = find_type_or_error2($2, 0); }
858 ;
859
860 interface: tINTERFACE aIDENTIFIER { $$ = get_type(TYPE_INTERFACE, $2, 0); }
861 | tINTERFACE aKNOWNTYPE { $$ = get_type(TYPE_INTERFACE, $2, 0); }
862 ;
863
864 interfacehdr: attributes interface { $$.interface = $2;
865 $$.old_pointer_default = pointer_default;
866 if (is_attr($1, ATTR_POINTERDEFAULT))
867 pointer_default = get_attrv($1, ATTR_POINTERDEFAULT);
868 check_def($2);
869 $2->attrs = check_iface_attrs($2->name, $1);
870 $2->defined = TRUE;
871 }
872 ;
873
874 interfacedef: interfacehdr inherit
875 '{' int_statements '}' semicolon_opt { $$ = $1.interface;
876 if($$ == $2)
877 error_loc("Interface can't inherit from itself\n");
878 type_interface_define($$, $2, $4);
879 pointer_default = $1.old_pointer_default;
880 }
881 /* MIDL is able to import the definition of a base class from inside the
882 * definition of a derived class, I'll try to support it with this rule */
883 | interfacehdr ':' aIDENTIFIER
884 '{' import int_statements '}'
885 semicolon_opt { $$ = $1.interface;
886 type_interface_define($$, find_type_or_error2($3, 0), $6);
887 pointer_default = $1.old_pointer_default;
888 }
889 | dispinterfacedef semicolon_opt { $$ = $1; }
890 ;
891
892 interfacedec:
893 interface ';' { $$ = $1; }
894 | dispinterface ';' { $$ = $1; }
895 ;
896
897 module: tMODULE aIDENTIFIER { $$ = type_new_module($2); }
898 | tMODULE aKNOWNTYPE { $$ = type_new_module($2); }
899 ;
900
901 modulehdr: attributes module { $$ = $2;
902 $$->attrs = check_module_attrs($2->name, $1);
903 }
904 ;
905
906 moduledef: modulehdr '{' int_statements '}'
907 semicolon_opt { $$ = $1;
908 type_module_define($$, $3);
909 }
910 ;
911
912 storage_cls_spec:
913 tEXTERN { $$ = STG_EXTERN; }
914 | tSTATIC { $$ = STG_STATIC; }
915 | tREGISTER { $$ = STG_REGISTER; }
916 ;
917
918 function_specifier:
919 tINLINE { $$ = make_attr(ATTR_INLINE); }
920 ;
921
922 type_qualifier:
923 tCONST { $$ = make_attr(ATTR_CONST); }
924 ;
925
926 m_type_qual_list: { $$ = NULL; }
927 | m_type_qual_list type_qualifier { $$ = append_attr($1, $2); }
928 ;
929
930 decl_spec: type m_decl_spec_no_type { $$ = make_decl_spec($1, $2, NULL, NULL, STG_NONE); }
931 | decl_spec_no_type type m_decl_spec_no_type
932 { $$ = make_decl_spec($2, $1, $3, NULL, STG_NONE); }
933 ;
934
935 m_decl_spec_no_type: { $$ = NULL; }
936 | decl_spec_no_type
937 ;
938
939 decl_spec_no_type:
940 type_qualifier m_decl_spec_no_type { $$ = make_decl_spec(NULL, $2, NULL, $1, STG_NONE); }
941 | function_specifier m_decl_spec_no_type { $$ = make_decl_spec(NULL, $2, NULL, $1, STG_NONE); }
942 | storage_cls_spec m_decl_spec_no_type { $$ = make_decl_spec(NULL, $2, NULL, NULL, $1); }
943 ;
944
945 declarator:
946 '*' m_type_qual_list declarator %prec PPTR
947 { $$ = $3; $$->type = append_ptrchain_type($$->type, type_new_pointer(pointer_default, NULL, $2)); }
948 | callconv declarator { $$ = $2; if ($$->func_type) $$->func_type->attrs = append_attr($$->func_type->attrs, make_attrp(ATTR_CALLCONV, $1));
949 else if ($$->type) $$->type->attrs = append_attr($$->type->attrs, make_attrp(ATTR_CALLCONV, $1)); }
950 | direct_declarator
951 ;
952
953 direct_declarator:
954 ident { $$ = make_declarator($1); }
955 | '(' declarator ')' { $$ = $2; }
956 | direct_declarator array { $$ = $1; $$->array = append_array($$->array, $2); }
957 | direct_declarator '(' m_args ')' { $$ = $1;
958 $$->func_type = append_ptrchain_type($$->type, type_new_function($3));
959 $$->type = NULL;
960 }
961 ;
962
963 /* abstract declarator */
964 abstract_declarator:
965 '*' m_type_qual_list m_abstract_declarator %prec PPTR
966 { $$ = $3; $$->type = append_ptrchain_type($$->type, type_new_pointer(pointer_default, NULL, $2)); }
967 | callconv m_abstract_declarator { $$ = $2; if ($$->func_type) $$->func_type->attrs = append_attr($$->func_type->attrs, make_attrp(ATTR_CALLCONV, $1));
968 else if ($$->type) $$->type->attrs = append_attr($$->type->attrs, make_attrp(ATTR_CALLCONV, $1)); }
969 | abstract_direct_declarator
970 ;
971
972 /* abstract declarator without accepting direct declarator */
973 abstract_declarator_no_direct:
974 '*' m_type_qual_list m_any_declarator %prec PPTR
975 { $$ = $3; $$->type = append_ptrchain_type($$->type, type_new_pointer(pointer_default, NULL, $2)); }
976 | callconv m_any_declarator { $$ = $2; if ($$->func_type) $$->func_type->attrs = append_attr($$->func_type->attrs, make_attrp(ATTR_CALLCONV, $1));
977 else if ($$->type) $$->type->attrs = append_attr($$->type->attrs, make_attrp(ATTR_CALLCONV, $1)); }
978 ;
979
980 /* abstract declarator or empty */
981 m_abstract_declarator: { $$ = make_declarator(NULL); }
982 | abstract_declarator
983 ;
984
985 /* abstract direct declarator */
986 abstract_direct_declarator:
987 '(' abstract_declarator_no_direct ')' { $$ = $2; }
988 | abstract_direct_declarator array { $$ = $1; $$->array = append_array($$->array, $2); }
989 | array { $$ = make_declarator(NULL); $$->array = append_array($$->array, $1); }
990 | '(' m_args ')'
991 { $$ = make_declarator(NULL);
992 $$->func_type = append_ptrchain_type($$->type, type_new_function($2));
993 $$->type = NULL;
994 }
995 | abstract_direct_declarator '(' m_args ')'
996 { $$ = $1;
997 $$->func_type = append_ptrchain_type($$->type, type_new_function($3));
998 $$->type = NULL;
999 }
1000 ;
1001
1002 /* abstract or non-abstract declarator */
1003 any_declarator:
1004 '*' m_type_qual_list m_any_declarator %prec PPTR
1005 { $$ = $3; $$->type = append_ptrchain_type($$->type, type_new_pointer(pointer_default, NULL, $2)); }
1006 | callconv m_any_declarator { $$ = $2; $$->type->attrs = append_attr($$->type->attrs, make_attrp(ATTR_CALLCONV, $1)); }
1007 | any_direct_declarator
1008 ;
1009
1010 /* abstract or non-abstract declarator without accepting direct declarator */
1011 any_declarator_no_direct:
1012 '*' m_type_qual_list m_any_declarator %prec PPTR
1013 { $$ = $3; $$->type = append_ptrchain_type($$->type, type_new_pointer(pointer_default, NULL, $2)); }
1014 | callconv m_any_declarator { $$ = $2; $$->type->attrs = append_attr($$->type->attrs, make_attrp(ATTR_CALLCONV, $1)); }
1015 ;
1016
1017 /* abstract or non-abstract declarator or empty */
1018 m_any_declarator: { $$ = make_declarator(NULL); }
1019 | any_declarator
1020 ;
1021
1022 /* abstract or non-abstract direct declarator. note: direct declarators
1023 * aren't accepted inside brackets to avoid ambiguity with the rule for
1024 * function arguments */
1025 any_direct_declarator:
1026 ident { $$ = make_declarator($1); }
1027 | '(' any_declarator_no_direct ')' { $$ = $2; }
1028 | any_direct_declarator array { $$ = $1; $$->array = append_array($$->array, $2); }
1029 | array { $$ = make_declarator(NULL); $$->array = append_array($$->array, $1); }
1030 | '(' m_args ')'
1031 { $$ = make_declarator(NULL);
1032 $$->func_type = append_ptrchain_type($$->type, type_new_function($2));
1033 $$->type = NULL;
1034 }
1035 | any_direct_declarator '(' m_args ')'
1036 { $$ = $1;
1037 $$->func_type = append_ptrchain_type($$->type, type_new_function($3));
1038 $$->type = NULL;
1039 }
1040 ;
1041
1042 declarator_list:
1043 declarator { $$ = append_declarator( NULL, $1 ); }
1044 | declarator_list ',' declarator { $$ = append_declarator( $1, $3 ); }
1045 ;
1046
1047 m_bitfield: { $$ = NULL; }
1048 | ':' expr_const { $$ = $2; }
1049 ;
1050
1051 struct_declarator: any_declarator m_bitfield { $$ = $1; $$->bits = $2;
1052 if (!$$->bits && !$$->var->name)
1053 error_loc("unnamed fields are not allowed\n");
1054 }
1055 ;
1056
1057 struct_declarator_list:
1058 struct_declarator { $$ = append_declarator( NULL, $1 ); }
1059 | struct_declarator_list ',' struct_declarator
1060 { $$ = append_declarator( $1, $3 ); }
1061 ;
1062
1063 init_declarator:
1064 declarator { $$ = $1; }
1065 | declarator '=' expr_const { $$ = $1; $1->var->eval = $3; }
1066 ;
1067
1068 threading_type:
1069 tAPARTMENT { $$ = THREADING_APARTMENT; }
1070 | tNEUTRAL { $$ = THREADING_NEUTRAL; }
1071 | tSINGLE { $$ = THREADING_SINGLE; }
1072 | tFREE { $$ = THREADING_FREE; }
1073 | tBOTH { $$ = THREADING_BOTH; }
1074 ;
1075
1076 pointer_type:
1077 tREF { $$ = RPC_FC_RP; }
1078 | tUNIQUE { $$ = RPC_FC_UP; }
1079 | tPTR { $$ = RPC_FC_FP; }
1080 ;
1081
1082 structdef: tSTRUCT t_ident '{' fields '}' { $$ = type_new_struct($2, TRUE, $4); }
1083 ;
1084
1085 type: tVOID { $$ = type_new_void(); }
1086 | aKNOWNTYPE { $$ = find_type_or_error($1, 0); }
1087 | base_type { $$ = $1; }
1088 | enumdef { $$ = $1; }
1089 | tENUM aIDENTIFIER { $$ = type_new_enum($2, FALSE, NULL); }
1090 | structdef { $$ = $1; }
1091 | tSTRUCT aIDENTIFIER { $$ = type_new_struct($2, FALSE, NULL); }
1092 | uniondef { $$ = $1; }
1093 | tUNION aIDENTIFIER { $$ = type_new_nonencapsulated_union($2, FALSE, NULL); }
1094 | tSAFEARRAY '(' type ')' { $$ = make_safearray($3); }
1095 ;
1096
1097 typedef: m_attributes tTYPEDEF m_attributes decl_spec declarator_list
1098 { $1 = append_attribs($1, $3);
1099 reg_typedefs($4, $5, check_typedef_attrs($1));
1100 $$ = make_statement_typedef($5);
1101 }
1102 ;
1103
1104 uniondef: tUNION t_ident '{' ne_union_fields '}'
1105 { $$ = type_new_nonencapsulated_union($2, TRUE, $4); }
1106 | tUNION t_ident
1107 tSWITCH '(' s_field ')'
1108 m_ident '{' cases '}' { $$ = type_new_encapsulated_union($2, $5, $7, $9); }
1109 ;
1110
1111 version:
1112 aNUM { $$ = MAKEVERSION($1, 0); }
1113 | aNUM '.' aNUM { $$ = MAKEVERSION($1, $3); }
1114 | aHEXNUM { $$ = $1; }
1115 ;
1116
1117 %%
1118
1119 static void decl_builtin_basic(const char *name, enum type_basic_type type)
1120 {
1121 type_t *t = type_new_basic(type);
1122 reg_type(t, name, 0);
1123 }
1124
1125 static void decl_builtin_alias(const char *name, type_t *t)
1126 {
1127 reg_type(type_new_alias(t, name), name, 0);
1128 }
1129
1130 void init_types(void)
1131 {
1132 decl_builtin_basic("byte", TYPE_BASIC_BYTE);
1133 decl_builtin_basic("wchar_t", TYPE_BASIC_WCHAR);
1134 decl_builtin_basic("float", TYPE_BASIC_FLOAT);
1135 decl_builtin_basic("double", TYPE_BASIC_DOUBLE);
1136 decl_builtin_basic("error_status_t", TYPE_BASIC_ERROR_STATUS_T);
1137 decl_builtin_basic("handle_t", TYPE_BASIC_HANDLE);
1138 decl_builtin_alias("boolean", type_new_basic(TYPE_BASIC_BYTE));
1139 }
1140
1141 static str_list_t *append_str(str_list_t *list, char *str)
1142 {
1143 struct str_list_entry_t *entry;
1144
1145 if (!str) return list;
1146 if (!list)
1147 {
1148 list = xmalloc( sizeof(*list) );
1149 list_init( list );
1150 }
1151 entry = xmalloc( sizeof(*entry) );
1152 entry->str = str;
1153 list_add_tail( list, &entry->entry );
1154 return list;
1155 }
1156
1157 static attr_list_t *append_attr(attr_list_t *list, attr_t *attr)
1158 {
1159 attr_t *attr_existing;
1160 if (!attr) return list;
1161 if (!list)
1162 {
1163 list = xmalloc( sizeof(*list) );
1164 list_init( list );
1165 }
1166 LIST_FOR_EACH_ENTRY(attr_existing, list, attr_t, entry)
1167 if (attr_existing->type == attr->type)
1168 {
1169 parser_warning("duplicate attribute %s\n", get_attr_display_name(attr->type));
1170 /* use the last attribute, like MIDL does */
1171 list_remove(&attr_existing->entry);
1172 break;
1173 }
1174 list_add_tail( list, &attr->entry );
1175 return list;
1176 }
1177
1178 static attr_list_t *move_attr(attr_list_t *dst, attr_list_t *src, enum attr_type type)
1179 {
1180 attr_t *attr;
1181 if (!src) return dst;
1182 LIST_FOR_EACH_ENTRY(attr, src, attr_t, entry)
1183 if (attr->type == type)
1184 {
1185 list_remove(&attr->entry);
1186 return append_attr(dst, attr);
1187 }
1188 return dst;
1189 }
1190
1191 static attr_list_t *append_attr_list(attr_list_t *new_list, attr_list_t *old_list)
1192 {
1193 struct list *entry;
1194
1195 if (!old_list) return new_list;
1196
1197 while ((entry = list_head(old_list)))
1198 {
1199 attr_t *attr = LIST_ENTRY(entry, attr_t, entry);
1200 list_remove(entry);
1201 new_list = append_attr(new_list, attr);
1202 }
1203 return new_list;
1204 }
1205
1206 static attr_list_t *dupattrs(const attr_list_t *list)
1207 {
1208 attr_list_t *new_list;
1209 const attr_t *attr;
1210
1211 if (!list) return NULL;
1212
1213 new_list = xmalloc( sizeof(*list) );
1214 list_init( new_list );
1215 LIST_FOR_EACH_ENTRY(attr, list, const attr_t, entry)
1216 {
1217 attr_t *new_attr = xmalloc(sizeof(*new_attr));
1218 *new_attr = *attr;
1219 list_add_tail(new_list, &new_attr->entry);
1220 }
1221 return new_list;
1222 }
1223
1224 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)
1225 {
1226 decl_spec_t *declspec = left ? left : right;
1227 if (!declspec)
1228 {
1229 declspec = xmalloc(sizeof(*declspec));
1230 declspec->type = NULL;
1231 declspec->attrs = NULL;
1232 declspec->stgclass = STG_NONE;
1233 }
1234 declspec->type = type;
1235 if (left && declspec != left)
1236 {
1237 declspec->attrs = append_attr_list(declspec->attrs, left->attrs);
1238 if (declspec->stgclass == STG_NONE)
1239 declspec->stgclass = left->stgclass;
1240 else if (left->stgclass != STG_NONE)
1241 error_loc("only one storage class can be specified\n");
1242 assert(!left->type);
1243 free(left);
1244 }
1245 if (right && declspec != right)
1246 {
1247 declspec->attrs = append_attr_list(declspec->attrs, right->attrs);
1248 if (declspec->stgclass == STG_NONE)
1249 declspec->stgclass = right->stgclass;
1250 else if (right->stgclass != STG_NONE)
1251 error_loc("only one storage class can be specified\n");
1252 assert(!right->type);
1253 free(right);
1254 }
1255
1256 declspec->attrs = append_attr(declspec->attrs, attr);
1257 if (declspec->stgclass == STG_NONE)
1258 declspec->stgclass = stgclass;
1259 else if (stgclass != STG_NONE)
1260 error_loc("only one storage class can be specified\n");
1261
1262 /* apply attributes to type */
1263 if (type && declspec->attrs)
1264 {
1265 attr_list_t *attrs;
1266 declspec->type = duptype(type, 1);
1267 attrs = dupattrs(type->attrs);
1268 declspec->type->attrs = append_attr_list(attrs, declspec->attrs);
1269 declspec->attrs = NULL;
1270 }
1271
1272 return declspec;
1273 }
1274
1275 static attr_t *make_attr(enum attr_type type)
1276 {
1277 attr_t *a = xmalloc(sizeof(attr_t));
1278 a->type = type;
1279 a->u.ival = 0;
1280 return a;
1281 }
1282
1283 static attr_t *make_attrv(enum attr_type type, unsigned int val)
1284 {
1285 attr_t *a = xmalloc(sizeof(attr_t));
1286 a->type = type;
1287 a->u.ival = val;
1288 return a;
1289 }
1290
1291 static attr_t *make_attrp(enum attr_type type, void *val)
1292 {
1293 attr_t *a = xmalloc(sizeof(attr_t));
1294 a->type = type;
1295 a->u.pval = val;
1296 return a;
1297 }
1298
1299 static expr_list_t *append_expr(expr_list_t *list, expr_t *expr)
1300 {
1301 if (!expr) return list;
1302 if (!list)
1303 {
1304 list = xmalloc( sizeof(*list) );
1305 list_init( list );
1306 }
1307 list_add_tail( list, &expr->entry );
1308 return list;
1309 }
1310
1311 static array_dims_t *append_array(array_dims_t *list, expr_t *expr)
1312 {
1313 if (!expr) return list;
1314 if (!list)
1315 {
1316 list = xmalloc( sizeof(*list) );
1317 list_init( list );
1318 }
1319 list_add_tail( list, &expr->entry );
1320 return list;
1321 }
1322
1323 static struct list type_pool = LIST_INIT(type_pool);
1324 typedef struct
1325 {
1326 type_t data;
1327 struct list link;
1328 } type_pool_node_t;
1329
1330 type_t *alloc_type(void)
1331 {
1332 type_pool_node_t *node = xmalloc(sizeof *node);
1333 list_add_tail(&type_pool, &node->link);
1334 return &node->data;
1335 }
1336
1337 void set_all_tfswrite(int val)
1338 {
1339 type_pool_node_t *node;
1340 LIST_FOR_EACH_ENTRY(node, &type_pool, type_pool_node_t, link)
1341 node->data.tfswrite = val;
1342 }
1343
1344 void clear_all_offsets(void)
1345 {
1346 type_pool_node_t *node;
1347 LIST_FOR_EACH_ENTRY(node, &type_pool, type_pool_node_t, link)
1348 node->data.typestring_offset = node->data.ptrdesc = 0;
1349 }
1350
1351 static void type_function_add_head_arg(type_t *type, var_t *arg)
1352 {
1353 if (!type->details.function->args)
1354 {
1355 type->details.function->args = xmalloc( sizeof(*type->details.function->args) );
1356 list_init( type->details.function->args );
1357 }
1358 list_add_head( type->details.function->args, &arg->entry );
1359 }
1360
1361 static int is_allowed_range_type(const type_t *type)
1362 {
1363 switch (type_get_type(type))
1364 {
1365 case TYPE_ENUM:
1366 return TRUE;
1367 case TYPE_BASIC:
1368 switch (type_basic_get_type(type))
1369 {
1370 case TYPE_BASIC_INT8:
1371 case TYPE_BASIC_INT16:
1372 case TYPE_BASIC_INT32:
1373 case TYPE_BASIC_INT64:
1374 case TYPE_BASIC_INT:
1375 case TYPE_BASIC_INT3264:
1376 case TYPE_BASIC_BYTE:
1377 case TYPE_BASIC_CHAR:
1378 case TYPE_BASIC_WCHAR:
1379 case TYPE_BASIC_HYPER:
1380 return TRUE;
1381 case TYPE_BASIC_FLOAT:
1382 case TYPE_BASIC_DOUBLE:
1383 case TYPE_BASIC_ERROR_STATUS_T:
1384 case TYPE_BASIC_HANDLE:
1385 return FALSE;
1386 }
1387 return FALSE;
1388 default:
1389 return FALSE;
1390 }
1391 }
1392
1393 static type_t *append_ptrchain_type(type_t *ptrchain, type_t *type)
1394 {
1395 type_t *ptrchain_type;
1396 if (!ptrchain)
1397 return type;
1398 for (ptrchain_type = ptrchain; type_pointer_get_ref(ptrchain_type); ptrchain_type = type_pointer_get_ref(ptrchain_type))
1399 ;
1400 assert(ptrchain_type->type_type == TYPE_POINTER);
1401 ptrchain_type->details.pointer.ref = type;
1402 return ptrchain;
1403 }
1404
1405 static var_t *declare_var(attr_list_t *attrs, decl_spec_t *decl_spec, const declarator_t *decl,
1406 int top)
1407 {
1408 var_t *v = decl->var;
1409 expr_list_t *sizes = get_attrp(attrs, ATTR_SIZEIS);
1410 expr_list_t *lengs = get_attrp(attrs, ATTR_LENGTHIS);
1411 int sizeless;
1412 expr_t *dim;
1413 type_t **ptype;
1414 array_dims_t *arr = decl ? decl->array : NULL;
1415 type_t *func_type = decl ? decl->func_type : NULL;
1416 type_t *type = decl_spec->type;
1417
1418 if (is_attr(type->attrs, ATTR_INLINE))
1419 {
1420 if (!func_type)
1421 error_loc("inline attribute applied to non-function type\n");
1422 else
1423 {
1424 type_t *t;
1425 /* move inline attribute from return type node to function node */
1426 for (t = func_type; is_ptr(t); t = type_pointer_get_ref(t))
1427 ;
1428 t->attrs = move_attr(t->attrs, type->attrs, ATTR_INLINE);
1429 }
1430 }
1431
1432 /* add type onto the end of the pointers in pident->type */
1433 v->type = append_ptrchain_type(decl ? decl->type : NULL, type);
1434 v->stgclass = decl_spec->stgclass;
1435 v->attrs = attrs;
1436
1437 /* check for pointer attribute being applied to non-pointer, non-array
1438 * type */
1439 if (!arr)
1440 {
1441 int ptr_attr = get_attrv(v->attrs, ATTR_POINTERTYPE);
1442 const type_t *ptr = NULL;
1443 /* pointer attributes on the left side of the type belong to the function
1444 * pointer, if one is being declared */
1445 type_t **pt = func_type ? &func_type : &v->type;
1446 for (ptr = *pt; ptr && !ptr_attr; )
1447 {
1448 ptr_attr = get_attrv(ptr->attrs, ATTR_POINTERTYPE);
1449 if (!ptr_attr && type_is_alias(ptr))
1450 ptr = type_alias_get_aliasee(ptr);
1451 else
1452 break;
1453 }
1454 if (is_ptr(ptr))
1455 {
1456 if (ptr_attr && ptr_attr != RPC_FC_UP &&
1457 type_get_type(type_pointer_get_ref(ptr)) == TYPE_INTERFACE)
1458 warning_loc_info(&v->loc_info,
1459 "%s: pointer attribute applied to interface "
1460 "pointer type has no effect\n", v->name);
1461 if (!ptr_attr && top && (*pt)->details.pointer.def_fc != RPC_FC_RP)
1462 {
1463 /* FIXME: this is a horrible hack to cope with the issue that we
1464 * store an offset to the typeformat string in the type object, but
1465 * two typeformat strings may be written depending on whether the
1466 * pointer is a toplevel parameter or not */
1467 *pt = duptype(*pt, 1);
1468 }
1469 }
1470 else if (ptr_attr)
1471 error_loc("%s: pointer attribute applied to non-pointer type\n", v->name);
1472 }
1473
1474 if (is_attr(v->attrs, ATTR_STRING))
1475 {
1476 type_t *t = type;
1477
1478 if (!is_ptr(v->type) && !arr)
1479 error_loc("'%s': [string] attribute applied to non-pointer, non-array type\n",
1480 v->name);
1481
1482 while (is_ptr(t))
1483 t = type_pointer_get_ref(t);
1484
1485 if (type_get_type(t) != TYPE_BASIC &&
1486 (get_basic_fc(t) != RPC_FC_CHAR &&
1487 get_basic_fc(t) != RPC_FC_BYTE &&
1488 get_basic_fc(t) != RPC_FC_WCHAR))
1489 {
1490 error_loc("'%s': [string] attribute is only valid on 'char', 'byte', or 'wchar_t' pointers and arrays\n",
1491 v->name);
1492 }
1493 }
1494
1495 if (is_attr(v->attrs, ATTR_V1ENUM))
1496 {
1497 if (type_get_type_detect_alias(v->type) != TYPE_ENUM)
1498 error_loc("'%s': [v1_enum] attribute applied to non-enum type\n", v->name);
1499 }
1500
1501 if (is_attr(v->attrs, ATTR_RANGE) && !is_allowed_range_type(v->type))
1502 error_loc("'%s': [range] attribute applied to non-integer type\n",
1503 v->name);
1504
1505 ptype = &v->type;
1506 sizeless = FALSE;
1507 if (arr) LIST_FOR_EACH_ENTRY_REV(dim, arr, expr_t, entry)
1508 {
1509 if (sizeless)
1510 error_loc("%s: only the first array dimension can be unspecified\n", v->name);
1511
1512 if (dim->is_const)
1513 {
1514 if (dim->cval <= 0)
1515 error_loc("%s: array dimension must be positive\n", v->name);
1516
1517 /* FIXME: should use a type_memsize that allows us to pass in a pointer size */
1518 if (0)
1519 {
1520 unsigned int size = type_memsize(v->type);
1521
1522 if (0xffffffffu / size < dim->cval)
1523 error_loc("%s: total array size is too large\n", v->name);
1524 }
1525 }
1526 else
1527 sizeless = TRUE;
1528
1529 *ptype = type_new_array(NULL, *ptype, FALSE,
1530 dim->is_const ? dim->cval : 0,
1531 dim->is_const ? NULL : dim, NULL,
1532 pointer_default);
1533 }
1534
1535 ptype = &v->type;
1536 if (sizes) LIST_FOR_EACH_ENTRY(dim, sizes, expr_t, entry)
1537 {
1538 if (dim->type != EXPR_VOID)
1539 {
1540 if (is_array(*ptype))
1541 {
1542 if (!type_array_get_conformance(*ptype) ||
1543 type_array_get_conformance(*ptype)->type != EXPR_VOID)
1544 error_loc("%s: cannot specify size_is for an already sized array\n", v->name);
1545 else
1546 *ptype = type_new_array((*ptype)->name,
1547 type_array_get_element(*ptype), FALSE,
1548 0, dim, NULL, 0);
1549 }
1550 else if (is_ptr(*ptype))
1551 *ptype = type_new_array((*ptype)->name, type_pointer_get_ref(*ptype), TRUE,
1552 0, dim, NULL, pointer_default);
1553 else
1554 error_loc("%s: size_is attribute applied to illegal type\n", v->name);
1555 }
1556
1557 if (is_ptr(*ptype))
1558 ptype = &(*ptype)->details.pointer.ref;
1559 else if (is_array(*ptype))
1560 ptype = &(*ptype)->details.array.elem;
1561 else
1562 error_loc("%s: too many expressions in size_is attribute\n", v->name);
1563 }
1564
1565 ptype = &v->type;
1566 if (lengs) LIST_FOR_EACH_ENTRY(dim, lengs, expr_t, entry)
1567 {
1568 if (dim->type != EXPR_VOID)
1569 {
1570 if (is_array(*ptype))
1571 {
1572 *ptype = type_new_array((*ptype)->name,
1573 type_array_get_element(*ptype),
1574 type_array_is_decl_as_ptr(*ptype),
1575 type_array_get_dim(*ptype),
1576 type_array_get_conformance(*ptype),
1577 dim, type_array_get_ptr_default_fc(*ptype));
1578 }
1579 else
1580 error_loc("%s: length_is attribute applied to illegal type\n", v->name);
1581 }
1582
1583 if (is_ptr(*ptype))
1584 ptype = &(*ptype)->details.pointer.ref;
1585 else if (is_array(*ptype))
1586 ptype = &(*ptype)->details.array.elem;
1587 else
1588 error_loc("%s: too many expressions in length_is attribute\n", v->name);
1589 }
1590
1591 /* v->type is currently pointing to the type on the left-side of the
1592 * declaration, so we need to fix this up so that it is the return type of the
1593 * function and make v->type point to the function side of the declaration */
1594 if (func_type)
1595 {
1596 type_t *ft, *t;
1597 type_t *return_type = v->type;
1598 v->type = func_type;
1599 for (ft = v->type; is_ptr(ft); ft = type_pointer_get_ref(ft))
1600 ;
1601 assert(type_get_type_detect_alias(ft) == TYPE_FUNCTION);
1602 ft->details.function->retval = make_var(xstrdup("_RetVal"));
1603 ft->details.function->retval->type = return_type;
1604 /* move calling convention attribute, if present, from pointer nodes to
1605 * function node */
1606 for (t = v->type; is_ptr(t); t = type_pointer_get_ref(t))
1607 ft->attrs = move_attr(ft->attrs, t->attrs, ATTR_CALLCONV);
1608 }
1609 else
1610 {
1611 type_t *t;
1612 for (t = v->type; is_ptr(t); t = type_pointer_get_ref(t))
1613 if (is_attr(t->attrs, ATTR_CALLCONV))
1614 error_loc("calling convention applied to non-function-pointer type\n");
1615 }
1616
1617 if (decl->bits)
1618 v->type = type_new_bitfield(v->type, decl->bits);
1619
1620 return v;
1621 }
1622
1623 static var_list_t *set_var_types(attr_list_t *attrs, decl_spec_t *decl_spec, declarator_list_t *decls)
1624 {
1625 declarator_t *decl, *next;
1626 var_list_t *var_list = NULL;
1627
1628 LIST_FOR_EACH_ENTRY_SAFE( decl, next, decls, declarator_t, entry )
1629 {
1630 var_t *var = declare_var(attrs, decl_spec, decl, 0);
1631 var_list = append_var(var_list, var);
1632 free(decl);
1633 }
1634 free(decl_spec);
1635 return var_list;
1636 }
1637
1638 static ifref_list_t *append_ifref(ifref_list_t *list, ifref_t *iface)
1639 {
1640 if (!iface) return list;
1641 if (!list)
1642 {
1643 list = xmalloc( sizeof(*list) );
1644 list_init( list );
1645 }
1646 list_add_tail( list, &iface->entry );
1647 return list;
1648 }
1649
1650 static ifref_t *make_ifref(type_t *iface)
1651 {
1652 ifref_t *l = xmalloc(sizeof(ifref_t));
1653 l->iface = iface;
1654 l->attrs = NULL;
1655 return l;
1656 }
1657
1658 var_list_t *append_var(var_list_t *list, var_t *var)
1659 {
1660 if (!var) return list;
1661 if (!list)
1662 {
1663 list = xmalloc( sizeof(*list) );
1664 list_init( list );
1665 }
1666 list_add_tail( list, &var->entry );
1667 return list;
1668 }
1669
1670 static var_list_t *append_var_list(var_list_t *list, var_list_t *vars)
1671 {
1672 if (!vars) return list;
1673 if (!list)
1674 {
1675 list = xmalloc( sizeof(*list) );
1676 list_init( list );
1677 }
1678 list_move_tail( list, vars );
1679 return list;
1680 }
1681
1682 var_t *make_var(char *name)
1683 {
1684 var_t *v = xmalloc(sizeof(var_t));
1685 v->name = name;
1686 v->type = NULL;
1687 v->attrs = NULL;
1688 v->eval = NULL;
1689 v->stgclass = STG_NONE;
1690 init_loc_info(&v->loc_info);
1691 return v;
1692 }
1693
1694 static declarator_list_t *append_declarator(declarator_list_t *list, declarator_t *d)
1695 {
1696 if (!d) return list;
1697 if (!list) {
1698 list = xmalloc(sizeof(*list));
1699 list_init(list);
1700 }
1701 list_add_tail(list, &d->entry);
1702 return list;
1703 }
1704
1705 static declarator_t *make_declarator(var_t *var)
1706 {
1707 declarator_t *d = xmalloc(sizeof(*d));
1708 d->var = var ? var : make_var(NULL);
1709 d->type = NULL;
1710 d->func_type = NULL;
1711 d->array = NULL;
1712 d->bits = NULL;
1713 return d;
1714 }
1715
1716 static type_t *make_safearray(type_t *type)
1717 {
1718 return type_new_array(NULL, type_new_alias(type, "SAFEARRAY"), TRUE, 0,
1719 NULL, NULL, RPC_FC_RP);
1720 }
1721
1722 static typelib_t *make_library(const char *name, const attr_list_t *attrs)
1723 {
1724 typelib_t *typelib = xmalloc(sizeof(*typelib));
1725 typelib->name = xstrdup(name);
1726 typelib->attrs = attrs;
1727 list_init( &typelib->importlibs );
1728 return typelib;
1729 }
1730
1731 #define HASHMAX 64
1732
1733 static int hash_ident(const char *name)
1734 {
1735 const char *p = name;
1736 int sum = 0;
1737 /* a simple sum hash is probably good enough */
1738 while (*p) {
1739 sum += *p;
1740 p++;
1741 }
1742 return sum & (HASHMAX-1);
1743 }
1744
1745 /***** type repository *****/
1746
1747 struct rtype {
1748 const char *name;
1749 type_t *type;
1750 int t;
1751 struct rtype *next;
1752 };
1753
1754 struct rtype *type_hash[HASHMAX];
1755
1756 type_t *reg_type(type_t *type, const char *name, int t)
1757 {
1758 struct rtype *nt;
1759 int hash;
1760 if (!name) {
1761 error_loc("registering named type without name\n");
1762 return type;
1763 }
1764 hash = hash_ident(name);
1765 nt = xmalloc(sizeof(struct rtype));
1766 nt->name = name;
1767 nt->type = type;
1768 nt->t = t;
1769 nt->next = type_hash[hash];
1770 type_hash[hash] = nt;
1771 if ((t == tsSTRUCT || t == tsUNION))
1772 fix_incomplete_types(type);
1773 return type;
1774 }
1775
1776 static int is_incomplete(const type_t *t)
1777 {
1778 return !t->defined &&
1779 (type_get_type_detect_alias(t) == TYPE_STRUCT ||
1780 type_get_type_detect_alias(t) == TYPE_UNION ||
1781 type_get_type_detect_alias(t) == TYPE_ENCAPSULATED_UNION);
1782 }
1783
1784 void add_incomplete(type_t *t)
1785 {
1786 struct typenode *tn = xmalloc(sizeof *tn);
1787 tn->type = t;
1788 list_add_tail(&incomplete_types, &tn->entry);
1789 }
1790
1791 static void fix_type(type_t *t)
1792 {
1793 if (type_is_alias(t) && is_incomplete(t)) {
1794 type_t *ot = type_alias_get_aliasee(t);
1795 fix_type(ot);
1796 if (type_get_type_detect_alias(ot) == TYPE_STRUCT ||
1797 type_get_type_detect_alias(ot) == TYPE_UNION ||
1798 type_get_type_detect_alias(ot) == TYPE_ENCAPSULATED_UNION)
1799 t->details.structure = ot->details.structure;
1800 t->defined = ot->defined;
1801 }
1802 }
1803
1804 static void fix_incomplete(void)
1805 {
1806 struct typenode *tn, *next;
1807
1808 LIST_FOR_EACH_ENTRY_SAFE(tn, next, &incomplete_types, struct typenode, entry) {
1809 fix_type(tn->type);
1810 list_remove(&tn->entry);
1811 free(tn);
1812 }
1813 }
1814
1815 static void fix_incomplete_types(type_t *complete_type)
1816 {
1817 struct typenode *tn, *next;
1818
1819 LIST_FOR_EACH_ENTRY_SAFE(tn, next, &incomplete_types, struct typenode, entry)
1820 {
1821 if (type_is_equal(complete_type, tn->type))
1822 {
1823 tn->type->details.structure = complete_type->details.structure;
1824 list_remove(&tn->entry);
1825 free(tn);
1826 }
1827 }
1828 }
1829
1830 static type_t *reg_typedefs(decl_spec_t *decl_spec, declarator_list_t *decls, attr_list_t *attrs)
1831 {
1832 const declarator_t *decl;
1833 type_t *type = decl_spec->type;
1834
1835 /* We must generate names for tagless enum, struct or union.
1836 Typedef-ing a tagless enum, struct or union means we want the typedef
1837 to be included in a library hence the public attribute. */
1838 if ((type_get_type_detect_alias(type) == TYPE_ENUM ||
1839 type_get_type_detect_alias(type) == TYPE_STRUCT ||
1840 type_get_type_detect_alias(type) == TYPE_UNION ||
1841 type_get_type_detect_alias(type) == TYPE_ENCAPSULATED_UNION) &&
1842 !type->name && !parse_only)
1843 {
1844 if (! is_attr(attrs, ATTR_PUBLIC) && ! is_attr (attrs, ATTR_HIDDEN))
1845 attrs = append_attr( attrs, make_attr(ATTR_PUBLIC) );
1846 type->name = gen_name();
1847 }
1848 else if (is_attr(attrs, ATTR_UUID) && !is_attr(attrs, ATTR_PUBLIC)
1849 && !is_attr(attrs, ATTR_HIDDEN))
1850 attrs = append_attr( attrs, make_attr(ATTR_PUBLIC) );
1851
1852 LIST_FOR_EACH_ENTRY( decl, decls, const declarator_t, entry )
1853 {
1854
1855 if (decl->var->name) {
1856 type_t *cur;
1857 var_t *name;
1858
1859 cur = find_type(decl->var->name, 0);
1860
1861 /*
1862 * MIDL allows shadowing types that are declared in imported files.
1863 * We don't throw an error in this case and instead add a new type
1864 * (which is earlier on the list in hash table, so it will be used
1865 * instead of shadowed type).
1866 *
1867 * FIXME: We may consider string separated type tables for each input
1868 * for cleaner solution.
1869 */
1870 if (cur && input_name == cur->loc_info.input_name)
1871 error_loc("%s: redefinition error; original definition was at %s:%d\n",
1872 cur->name, cur->loc_info.input_name,
1873 cur->loc_info.line_number);
1874
1875 name = declare_var(attrs, decl_spec, decl, 0);
1876 cur = type_new_alias(name->type, name->name);
1877 cur->attrs = attrs;
1878
1879 if (is_incomplete(cur))
1880 add_incomplete(cur);
1881 reg_type(cur, cur->name, 0);
1882 }
1883 }
1884 return type;
1885 }
1886
1887 type_t *find_type(const char *name, int t)
1888 {
1889 struct rtype *cur = type_hash[hash_ident(name)];
1890 while (cur && (cur->t != t || strcmp(cur->name, name)))
1891 cur = cur->next;
1892 return cur ? cur->type : NULL;
1893 }
1894
1895 static type_t *find_type_or_error(const char *name, int t)
1896 {
1897 type_t *type = find_type(name, t);
1898 if (!type) {
1899 error_loc("type '%s' not found\n", name);
1900 return NULL;
1901 }
1902 return type;
1903 }
1904
1905 static type_t *find_type_or_error2(char *name, int t)
1906 {
1907 type_t *tp = find_type_or_error(name, t);
1908 free(name);
1909 return tp;
1910 }
1911
1912 int is_type(const char *name)
1913 {
1914 return find_type(name, 0) != NULL;
1915 }
1916
1917 type_t *get_type(enum type_type type, char *name, int t)
1918 {
1919 type_t *tp;
1920 if (name) {
1921 tp = find_type(name, t);
1922 if (tp) {
1923 free(name);
1924 return tp;
1925 }
1926 }
1927 tp = make_type(type);
1928 tp->name = name;
1929 if (!name) return tp;
1930 return reg_type(tp, name, t);
1931 }
1932
1933 /***** constant repository *****/
1934
1935 struct rconst {
1936 char *name;
1937 var_t *var;
1938 struct rconst *next;
1939 };
1940
1941 struct rconst *const_hash[HASHMAX];
1942
1943 static var_t *reg_const(var_t *var)
1944 {
1945 struct rconst *nc;
1946 int hash;
1947 if (!var->name) {
1948 error_loc("registering constant without name\n");
1949 return var;
1950 }
1951 hash = hash_ident(var->name);
1952 nc = xmalloc(sizeof(struct rconst));
1953 nc->name = var->name;
1954 nc->var = var;
1955 nc->next = const_hash[hash];
1956 const_hash[hash] = nc;
1957 return var;
1958 }
1959
1960 var_t *find_const(const char *name, int f)
1961 {
1962 struct rconst *cur = const_hash[hash_ident(name)];
1963 while (cur && strcmp(cur->name, name))
1964 cur = cur->next;
1965 if (!cur) {
1966 if (f) error_loc("constant '%s' not found\n", name);
1967 return NULL;
1968 }
1969 return cur->var;
1970 }
1971
1972 static char *gen_name(void)
1973 {
1974 static const char format[] = "__WIDL_%s_generated_name_%08lX";
1975 static unsigned long n = 0;
1976 static const char *file_id;
1977 static size_t size;
1978 char *name;
1979
1980 if (! file_id)
1981 {
1982 char *dst = dup_basename(input_name, ".idl");
1983 file_id = dst;
1984
1985 for (; *dst; ++dst)
1986 if (! isalnum((unsigned char) *dst))
1987 *dst = '_';
1988
1989 size = sizeof format - 7 + strlen(file_id) + 8;
1990 }
1991
1992 name = xmalloc(size);
1993 sprintf(name, format, file_id, n++);
1994 return name;
1995 }
1996
1997 struct allowed_attr
1998 {
1999 unsigned int dce_compatible : 1;
2000 unsigned int acf : 1;
2001 unsigned int on_interface : 1;
2002 unsigned int on_function : 1;
2003 unsigned int on_arg : 1;
2004 unsigned int on_type : 1;
2005 unsigned int on_enum : 1;
2006 unsigned int on_struct : 1;
2007 unsigned int on_union : 1;
2008 unsigned int on_field : 1;
2009 unsigned int on_library : 1;
2010 unsigned int on_dispinterface : 1;
2011 unsigned int on_module : 1;
2012 unsigned int on_coclass : 1;
2013 const char *display_name;
2014 };
2015
2016 struct allowed_attr allowed_attr[] =
2017 {
2018 /* attr { D ACF I Fn ARG T En St Un Fi L DI M C <display name> } */
2019 /* ATTR_AGGREGATABLE */ { 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 1, "aggregatable" },
2020 /* ATTR_ANNOTATION */ { 0, 0, 0, 0, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, "annotation" },
2021 /* ATTR_APPOBJECT */ { 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 1, "appobject" },
2022 /* ATTR_ASYNC */ { 0, 1, 0, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, "async" },
2023 /* ATTR_AUTO_HANDLE */ { 1, 1, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, "auto_handle" },
2024 /* ATTR_BINDABLE */ { 0, 0, 0, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, "bindable" },
2025 /* ATTR_BROADCAST */ { 1, 0, 0, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, "broadcast" },
2026 /* ATTR_CALLAS */ { 0, 0, 0, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, "call_as" },
2027 /* ATTR_CALLCONV */ { 0, 0, 0, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, NULL },
2028 /* ATTR_CASE */ { 1, 0, 0, 0, 0, 0, 0, 0, 0, 1, 0, 0, 0, 0, "case" },
2029 /* ATTR_CODE */ { 0, 1, 1, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, "code" },
2030 /* ATTR_COMMSTATUS */ { 0, 0, 0, 1, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, "comm_status" },
2031 /* ATTR_CONST */ { 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, "const" },
2032 /* ATTR_CONTEXTHANDLE */ { 1, 0, 0, 0, 0, 1, 0, 0, 0, 0, 0, 0, 0, 0, "context_handle" },
2033 /* ATTR_CONTROL */ { 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 1, 0, 0, 1, "control" },
2034 /* ATTR_DECODE */ { 0, 0, 1, 1, 0, 1, 0, 0, 0, 0, 0, 0, 0, 0, "decode" },
2035 /* ATTR_DEFAULT */ { 0, 0, 1, 0, 0, 0, 0, 0, 0, 1, 0, 1, 0, 0, "default" },
2036 /* ATTR_DEFAULTBIND */ { 0, 0, 0, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, "defaultbind" },
2037 /* ATTR_DEFAULTCOLLELEM */ { 0, 0, 0, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, "defaultcollelem" },
2038 /* ATTR_DEFAULTVALUE */ { 0, 0, 0, 0, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, "defaultvalue" },
2039 /* ATTR_DEFAULTVTABLE */ { 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 1, "defaultvtable" },
2040 /* ATTR_DISABLECONSISTENCYCHECK */{ 0, 0, 0, 0, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, "disable_consistency_check" },
2041 /* ATTR_DISPINTERFACE */ { 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, NULL },
2042 /* ATTR_DISPLAYBIND */ { 0, 0, 0, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, "displaybind" },
2043 /* ATTR_DLLNAME */ { 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 1, 0, "dllname" },
2044 /* ATTR_DUAL */ { 0, 0, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, "dual" },
2045 /* ATTR_ENABLEALLOCATE */ { 0, 0, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, "enable_allocate" },
2046 /* ATTR_ENCODE */ { 0, 0, 1, 1, 0, 1, 0, 0, 0, 0, 0, 0, 0, 0, "encode" },
2047 /* ATTR_ENDPOINT */ { 1, 0, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, "endpoint" },
2048 /* ATTR_ENTRY */ { 0, 0, 0, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, "entry" },
2049 /* ATTR_EXPLICIT_HANDLE */ { 1, 1, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, "explicit_handle" },
2050 /* ATTR_FAULTSTATUS */ { 0, 0, 0, 1, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, "fault_status" },
2051 /* ATTR_FORCEALLOCATE */ { 0, 0, 0, 0, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, "force_allocate" },
2052 /* ATTR_HANDLE */ { 1, 0, 0, 0, 0, 1, 0, 0, 0, 0, 0, 0, 0, 0, "handle" },
2053 /* ATTR_HELPCONTEXT */ { 0, 0, 1, 1, 0, 1, 1, 0, 0, 0, 1, 1, 1, 1, "helpcontext" },
2054 /* ATTR_HELPFILE */ { 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 1, 0, 0, 0, "helpfile" },
2055 /* ATTR_HELPSTRING */ { 0, 0, 1, 1, 0, 1, 1, 0, 0, 0, 1, 1, 1, 1, "helpstring" },
2056 /* ATTR_HELPSTRINGCONTEXT */ { 0, 0, 1, 1, 0, 1, 1, 0, 0, 0, 1, 1, 1, 1, "helpstringcontext" },
2057 /* ATTR_HELPSTRINGDLL */ { 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 1, 0, 0, 0, "helpstringdll" },
2058 /* ATTR_HIDDEN */ { 0, 0, 1, 1, 0, 1, 0, 0, 0, 0, 1, 1, 0, 1, "hidden" },
2059 /* ATTR_ID */ { 0, 0, 0, 1, 0, 0, 0, 0, 0, 1, 1, 0, 0, 0, "id" },
2060 /* ATTR_IDEMPOTENT */ { 1, 0, 0, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, "idempotent" },
2061 /* ATTR_IGNORE */ { 0, 0, 0, 0, 0, 0, 0, 0, 0, 1, 0, 0, 0, 0, "ignore" },
2062 /* ATTR_IIDIS */ { 0, 0, 0, 0, 1, 0, 0, 0, 0, 1, 0, 0, 0, 0, "iid_is" },
2063 /* ATTR_IMMEDIATEBIND */ { 0, 0, 0, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, "immediatebind" },
2064 /* ATTR_IMPLICIT_HANDLE */ { 1, 1, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, "implicit_handle" },
2065 /* ATTR_IN */ { 0, 0, 0, 0, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, "in" },
2066 /* ATTR_INLINE */ { 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, "inline" },
2067 /* ATTR_INPUTSYNC */ { 0, 0, 0, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, "inputsync" },
2068 /* ATTR_LENGTHIS */ { 0, 0, 0, 0, 1, 0, 0, 0, 0, 1, 0, 0, 0, 0, "length_is" },
2069 /* ATTR_LIBLCID */ { 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 1, 0, 0, 0, "lcid" },
2070 /* ATTR_LICENSED */ { 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 1, "licensed" },
2071 /* ATTR_LOCAL */ { 1, 0, 1, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, "local" },
2072 /* ATTR_MAYBE */ { 0, 0, 0, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, "maybe" },
2073 /* ATTR_MESSAGE */ { 0, 0, 0, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, "message" },
2074 /* ATTR_NOCODE */ { 0, 1, 1, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, "nocode" },
2075 /* ATTR_NONBROWSABLE */ { 0, 0, 0, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, "nonbrowsable" },
2076 /* ATTR_NONCREATABLE */ { 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 1, "noncreatable" },
2077 /* ATTR_NONEXTENSIBLE */ { 0, 0, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, "nonextensible" },
2078 /* ATTR_NOTIFY */ { 0, 0, 0, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, "notify" },
2079 /* ATTR_NOTIFYFLAG */ { 0, 0, 0, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, "notify_flag" },
2080 /* ATTR_OBJECT */ { 0, 0, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, "object" },
2081 /* ATTR_ODL */ { 0, 0, 1, 0, 0, 0, 0, 0, 0, 0, 0, 1, 0, 0, "odl" },
2082 /* ATTR_OLEAUTOMATION */ { 0, 0, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, "oleautomation" },
2083 /* ATTR_OPTIMIZE */ { 0, 0, 1, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, "optimize" },
2084 /* ATTR_OPTIONAL */ { 0, 0, 0, 0, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, "optional" },
2085 /* ATTR_OUT */ { 1, 0, 0, 0, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, "out" },
2086 /* ATTR_PARAMLCID */ { 0, 0, 0, 0, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, "lcid" },
2087 /* ATTR_PARTIALIGNORE */ { 0, 0, 0, 0, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, "partial_ignore" },
2088 /* ATTR_POINTERDEFAULT */ { 1, 0, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, "pointer_default" },
2089 /* ATTR_POINTERTYPE */ { 1, 0, 0, 0, 1, 1, 0, 0, 0, 1, 0, 0, 0, 0, "ref, unique or ptr" },
2090 /* ATTR_PROGID */ { 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 1, "progid" },
2091 /* ATTR_PROPGET */ { 0, 0, 0, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, "propget" },
2092 /* ATTR_PROPPUT */ { 0, 0, 0, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, "propput" },
2093 /* ATTR_PROPPUTREF */ { 0, 0, 0, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, "propputref" },
2094 /* ATTR_PROXY */ { 0, 0, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, "proxy" },
2095 /* ATTR_PUBLIC */ { 0, 0, 0, 0, 0, 1, 0, 0, 0, 0, 0, 0, 0, 0, "public" },
2096 /* ATTR_RANGE */ { 0, 0, 0, 0, 1, 1, 1, 0, 0, 1, 0, 0, 0, 0, "range" },
2097 /* ATTR_READONLY */ { 0, 0, 0, 0, 1, 0, 0, 0, 0, 1, 0, 0, 0, 0, "readonly" },
2098 /* ATTR_REPRESENTAS */ { 1, 0, 0, 0, 0, 1, 0, 0, 0, 0, 0, 0, 0, 0, "represent_as" },
2099 /* ATTR_REQUESTEDIT */ { 0, 0, 0, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, "requestedit" },
2100 /* ATTR_RESTRICTED */ { 0, 0, 1, 1, 0, 1, 1, 1, 0, 0, 1, 1, 1, 0, "restricted" },
2101 /* ATTR_RETVAL */ { 0, 0, 0, 0, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, "retval" },
2102 /* ATTR_SIZEIS */ { 0, 0, 0, 0, 1, 0, 0, 0, 0, 1, 0, 0, 0, 0, "size_is" },
2103 /* ATTR_SOURCE */ { 0, 0, 1, 1, 0, 0, 0, 0, 0, 0, 0, 1, 0, 0, "source" },
2104 /* ATTR_STRICTCONTEXTHANDLE */ { 0, 0, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, "strict_context_handle" },
2105 /* ATTR_STRING */ { 1, 0, 0, 1, 1, 1, 0, 0, 0, 1, 0, 0, 0, 0, "string" },
2106 /* ATTR_SWITCHIS */ { 1, 0, 0, 0, 1, 0, 0, 0, 0, 1, 0, 0, 0, 0, "switch_is" },
2107 /* ATTR_SWITCHTYPE */ { 1, 0, 0, 0, 0, 1, 0, 0, 0, 1, 0, 0, 0, 0, "switch_type" },
2108 /* ATTR_THREADING */ { 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 1, "threading" },
2109 /* ATTR_TRANSMITAS */ { 1, 0, 0, 0, 0, 1, 0, 0, 0, 0, 0, 0, 0, 0, "transmit_as" },
2110 /* ATTR_UIDEFAULT */ { 0, 0, 0, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, "uidefault" },
2111 /* ATTR_USESGETLASTERROR */ { 0, 0, 0, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, "usesgetlasterror" },
2112 /* ATTR_USERMARSHAL */ { 0, 0, 0, 0, 0, 1, 0, 0, 0, 0, 0, 0, 0, 0, "user_marshal" },
2113 /* ATTR_UUID */ { 1, 0, 1, 0, 0, 1, 1, 0, 0, 0, 1, 1, 1, 1, "uuid" },
2114 /* ATTR_V1ENUM */ { 0, 0, 0, 0, 0, 1, 1, 0, 0, 0, 0, 0, 0, 0, "v1_enum" },
2115 /* ATTR_VARARG */ { 0, 0, 0, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, "vararg" },
2116 /* ATTR_VERSION */ { 1, 0, 1, 0, 0, 0, 0, 0, 0, 0, 1, 0, 0, 1, "version" },
2117 /* ATTR_VIPROGID */ { 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 1, "vi_progid" },
2118 /* ATTR_WIREMARSHAL */ { 1, 0, 0, 0, 0, 1, 0, 0, 0, 0, 0, 0, 0, 0, "wire_marshal" },
2119 };
2120
2121 const char *get_attr_display_name(enum attr_type type)
2122 {
2123 return allowed_attr[type].display_name;
2124 }
2125
2126 static attr_list_t *check_iface_attrs(const char *name, attr_list_t *attrs)
2127 {
2128 const attr_t *attr;
2129 if (!attrs) return attrs;
2130 LIST_FOR_EACH_ENTRY(attr, attrs, const attr_t, entry)
2131 {
2132 if (!allowed_attr[attr->type].on_interface)
2133 error_loc("inapplicable attribute %s for interface %s\n",
2134 allowed_attr[attr->type].display_name, name);
2135 if (attr->type == ATTR_IMPLICIT_HANDLE)
2136 {
2137 const var_t *var = attr->u.pval;
2138 if (type_get_type( var->type) == TYPE_BASIC &&
2139 type_basic_get_type( var->type ) == TYPE_BASIC_HANDLE)
2140 continue;
2141 if (is_aliaschain_attr( var->type, ATTR_HANDLE ))
2142 continue;
2143 error_loc("attribute %s requires a handle type in interface %s\n",
2144 allowed_attr[attr->type].display_name, name);
2145 }
2146 }
2147 return attrs;
2148 }
2149
2150 static attr_list_t *check_function_attrs(const char *name, attr_list_t *attrs)
2151 {
2152 const attr_t *attr;
2153 if (!attrs) return attrs;
2154 LIST_FOR_EACH_ENTRY(attr, attrs, const attr_t, entry)
2155 {
2156 if (!allowed_attr[attr->type].on_function)
2157 error_loc("inapplicable attribute %s for function %s\n",
2158 allowed_attr[attr->type].display_name, name);
2159 }
2160 return attrs;
2161 }
2162
2163 static void check_arg_attrs(const var_t *arg)
2164 {
2165 const attr_t *attr;
2166
2167 if (arg->attrs)
2168 {
2169 LIST_FOR_EACH_ENTRY(attr, arg->attrs, const attr_t, entry)
2170 {
2171 if (!allowed_attr[attr->type].on_arg)
2172 error_loc("inapplicable attribute %s for argument %s\n",
2173 allowed_attr[attr->type].display_name, arg->name);
2174 }
2175 }
2176 }
2177
2178 static attr_list_t *check_typedef_attrs(attr_list_t *attrs)
2179 {
2180 const attr_t *attr;
2181 if (!attrs) return attrs;
2182 LIST_FOR_EACH_ENTRY(attr, attrs, const attr_t, entry)
2183 {
2184 if (!allowed_attr[attr->type].on_type)
2185 error_loc("inapplicable attribute %s for typedef\n",
2186 allowed_attr[attr->type].display_name);
2187 }
2188 return attrs;
2189 }
2190
2191 static attr_list_t *check_enum_attrs(attr_list_t *attrs)
2192 {
2193 const attr_t *attr;
2194 if (!attrs) return attrs;
2195 LIST_FOR_EACH_ENTRY(attr, attrs, const attr_t, entry)
2196 {
2197 if (!allowed_attr[attr->type].on_enum)
2198 error_loc("inapplicable attribute %s for enum\n",
2199 allowed_attr[attr->type].display_name);
2200 }
2201 return attrs;
2202 }
2203
2204 static attr_list_t *check_struct_attrs(attr_list_t *attrs)
2205 {
2206 const attr_t *attr;
2207 if (!attrs) return attrs;
2208 LIST_FOR_EACH_ENTRY(attr, attrs, const attr_t, entry)
2209 {
2210 if (!allowed_attr[attr->type].on_struct)
2211 error_loc("inapplicable attribute %s for struct\n",
2212 allowed_attr[attr->type].display_name);
2213 }
2214 return attrs;
2215 }
2216
2217 static attr_list_t *check_union_attrs(attr_list_t *attrs)
2218 {
2219 const attr_t *attr;
2220 if (!attrs) return attrs;
2221 LIST_FOR_EACH_ENTRY(attr, attrs, const attr_t, entry)
2222 {
2223 if (!allowed_attr[attr->type].on_union)
2224 error_loc("inapplicable attribute %s for union\n",
2225 allowed_attr[attr->type].display_name);
2226 }
2227 return attrs;
2228 }
2229
2230 static attr_list_t *check_field_attrs(const char *name, attr_list_t *attrs)
2231 {
2232 const attr_t *attr;
2233 if (!attrs) return attrs;
2234 LIST_FOR_EACH_ENTRY(attr, attrs, const attr_t, entry)
2235 {
2236 if (!allowed_attr[attr->type].on_field)
2237 error_loc("inapplicable attribute %s for field %s\n",
2238 allowed_attr[attr->type].display_name, name);
2239 }
2240 return attrs;
2241 }
2242
2243 static attr_list_t *check_library_attrs(const char *name, attr_list_t *attrs)
2244 {
2245 const attr_t *attr;
2246 if (!attrs) return attrs;
2247 LIST_FOR_EACH_ENTRY(attr, attrs, const attr_t, entry)
2248 {
2249 if (!allowed_attr[attr->type].on_library)
2250 error_loc("inapplicable attribute %s for library %s\n",
2251 allowed_attr[attr->type].display_name, name);
2252 }
2253 return attrs;
2254 }
2255
2256 static attr_list_t *check_dispiface_attrs(const char *name, attr_list_t *attrs)
2257 {
2258 const attr_t *attr;
2259 if (!attrs) return attrs;
2260 LIST_FOR_EACH_ENTRY(attr, attrs, const attr_t, entry)
2261 {
2262 if (!allowed_attr[attr->type].on_dispinterface)
2263 error_loc("inapplicable attribute %s for dispinterface %s\n",
2264 allowed_attr[attr->type].display_name, name);
2265 }
2266 return attrs;
2267 }
2268
2269 static attr_list_t *check_module_attrs(const char *name, attr_list_t *attrs)
2270 {
2271 const attr_t *attr;
2272 if (!attrs) return attrs;
2273 LIST_FOR_EACH_ENTRY(attr, attrs, const attr_t, entry)
2274 {
2275 if (!allowed_attr[attr->type].on_module)
2276 error_loc("inapplicable attribute %s for module %s\n",
2277 allowed_attr[attr->type].display_name, name);
2278 }
2279 return attrs;
2280 }
2281
2282 static attr_list_t *check_coclass_attrs(const char *name, attr_list_t *attrs)
2283 {
2284 const attr_t *attr;
2285 if (!attrs) return attrs;
2286 LIST_FOR_EACH_ENTRY(attr, attrs, const attr_t, entry)
2287 {
2288 if (!allowed_attr[attr->type].on_coclass)
2289 error_loc("inapplicable attribute %s for coclass %s\n",
2290 allowed_attr[attr->type].display_name, name);
2291 }
2292 return attrs;
2293 }
2294
2295 static int is_allowed_conf_type(const type_t *type)
2296 {
2297 switch (type_get_type(type))
2298 {
2299 case TYPE_ENUM:
2300 return TRUE;
2301 case TYPE_BASIC:
2302 switch (type_basic_get_type(type))
2303 {
2304 case TYPE_BASIC_INT8:
2305 case TYPE_BASIC_INT16:
2306 case TYPE_BASIC_INT32:
2307 case TYPE_BASIC_INT64:
2308 case TYPE_BASIC_INT:
2309 case TYPE_BASIC_CHAR:
2310 case TYPE_BASIC_HYPER:
2311 case TYPE_BASIC_BYTE:
2312 case TYPE_BASIC_WCHAR:
2313 return TRUE;
2314 default:
2315 return FALSE;
2316 }
2317 case TYPE_ALIAS:
2318 /* shouldn't get here because of type_get_type call above */
2319 assert(0);
2320 /* fall through */
2321 case TYPE_STRUCT:
2322 case TYPE_UNION:
2323 case TYPE_ENCAPSULATED_UNION:
2324 case TYPE_ARRAY:
2325 case TYPE_POINTER:
2326 case TYPE_VOID:
2327 case TYPE_MODULE:
2328 case TYPE_COCLASS:
2329 case TYPE_FUNCTION:
2330 case TYPE_INTERFACE:
2331 case TYPE_BITFIELD:
2332 return FALSE;
2333 }
2334 return FALSE;
2335 }
2336
2337 static int is_ptr_guid_type(const type_t *type)
2338 {
2339 /* first, make sure it is a pointer to something */
2340 if (!is_ptr(type)) return FALSE;
2341
2342 /* second, make sure it is a pointer to something of size sizeof(GUID),
2343 * i.e. 16 bytes */
2344 return (type_memsize(type_pointer_get_ref(type)) == 16);
2345 }
2346
2347 static void check_conformance_expr_list(const char *attr_name, const var_t *arg, const type_t *container_type, expr_list_t *expr_list)
2348 {
2349 expr_t *dim;
2350 struct expr_loc expr_loc;
2351 expr_loc.v = arg;
2352 expr_loc.attr = attr_name;
2353 if (expr_list) LIST_FOR_EACH_ENTRY(dim, expr_list, expr_t, entry)
2354 {
2355 if (dim->type != EXPR_VOID)
2356 {
2357 const type_t *expr_type = expr_resolve_type(&expr_loc, container_type, dim);
2358 if (!is_allowed_conf_type(expr_type))
2359 error_loc_info(&arg->loc_info, "expression must resolve to integral type <= 32bits for attribute %s\n",
2360 attr_name);
2361 }
2362 }
2363 }
2364
2365 static void check_remoting_fields(const var_t *var, type_t *type);
2366
2367 /* checks that properties common to fields and arguments are consistent */
2368 static void check_field_common(const type_t *container_type,
2369 const char *container_name, const var_t *arg)
2370 {
2371 type_t *type = arg->type;
2372 int more_to_do;
2373 const char *container_type_name;
2374 const char *var_type;
2375
2376 switch (type_get_type(container_type))
2377 {
2378 case TYPE_STRUCT:
2379 container_type_name = "struct";
2380 var_type = "field";
2381 break;
2382 case TYPE_UNION:
2383 container_type_name = "union";
2384 var_type = "arm";
2385 break;
2386 case TYPE_ENCAPSULATED_UNION:
2387 container_type_name = "encapsulated union";
2388 var_type = "arm";
2389 break;
2390 case TYPE_FUNCTION:
2391 container_type_name = "function";
2392 var_type = "parameter";
2393 break;
2394 default:
2395 /* should be no other container types */
2396 assert(0);
2397 return;
2398 }
2399
2400 if (is_attr(arg->attrs, ATTR_LENGTHIS) &&
2401 (is_attr(arg->attrs, ATTR_STRING) || is_aliaschain_attr(arg->type, ATTR_STRING)))
2402 error_loc_info(&arg->loc_info,
2403 "string and length_is specified for argument %s are mutually exclusive attributes\n",
2404 arg->name);
2405
2406 if (is_attr(arg->attrs, ATTR_SIZEIS))
2407 {
2408 expr_list_t *size_is_exprs = get_attrp(arg->attrs, ATTR_SIZEIS);
2409 check_conformance_expr_list("size_is", arg, container_type, size_is_exprs);
2410 }
2411 if (is_attr(arg->attrs, ATTR_LENGTHIS))
2412 {
2413 expr_list_t *length_is_exprs = get_attrp(arg->attrs, ATTR_LENGTHIS);
2414 check_conformance_expr_list("length_is", arg, container_type, length_is_exprs);
2415 }
2416 if (is_attr(arg->attrs, ATTR_IIDIS))
2417 {
2418 struct expr_loc expr_loc;
2419 expr_t *expr = get_attrp(arg->attrs, ATTR_IIDIS);
2420 if (expr->type != EXPR_VOID)
2421 {
2422 const type_t *expr_type;
2423 expr_loc.v = arg;
2424 expr_loc.attr = "iid_is";
2425 expr_type = expr_resolve_type(&expr_loc, container_type, expr);
2426 if (!expr_type || !is_ptr_guid_type(expr_type))
2427 error_loc_info(&arg->loc_info, "expression must resolve to pointer to GUID type for attribute iid_is\n");
2428 }
2429 }
2430 if (is_attr(arg->attrs, ATTR_SWITCHIS))
2431 {
2432 struct expr_loc expr_loc;
2433 expr_t *expr = get_attrp(arg->attrs, ATTR_SWITCHIS);
2434 if (expr->type != EXPR_VOID)
2435 {
2436 const type_t *expr_type;
2437 expr_loc.v = arg;
2438 expr_loc.attr = "switch_is";
2439 expr_type = expr_resolve_type(&expr_loc, container_type, expr);
2440 if (!expr_type || !is_allowed_conf_type(expr_type))
2441 error_loc_info(&arg->loc_info, "expression must resolve to integral type <= 32bits for attribute %s\n",
2442 expr_loc.attr);
2443 }
2444 }
2445
2446 do
2447 {
2448 more_to_do = FALSE;
2449
2450 switch (typegen_detect_type(type, arg->attrs, TDT_IGNORE_STRINGS))
2451 {
2452 case TGT_STRUCT:
2453 case TGT_UNION:
2454 check_remoting_fields(arg, type);
2455 break;
2456 case TGT_INVALID:
2457 {
2458 const char *reason = "is invalid";
2459 switch (type_get_type(type))
2460 {
2461 case TYPE_VOID:
2462 reason = "cannot derive from void *";
2463 break;
2464 case TYPE_FUNCTION:
2465 reason = "cannot be a function pointer";
2466 break;
2467 case TYPE_BITFIELD:
2468 reason = "cannot be a bit-field";
2469 break;
2470 case TYPE_COCLASS:
2471 reason = "cannot be a class";
2472 break;
2473 case TYPE_INTERFACE:
2474 reason = "cannot be a non-pointer to an interface";
2475 break;
2476 case TYPE_MODULE:
2477 reason = "cannot be a module";
2478 break;
2479 default:
2480 break;
2481 }
2482 error_loc_info(&arg->loc_info, "%s \'%s\' of %s \'%s\' %s\n",
2483 var_type, arg->name, container_type_name, container_name, reason);
2484 break;
2485 }
2486 case TGT_CTXT_HANDLE:
2487 case TGT_CTXT_HANDLE_POINTER:
2488 if (type_get_type(container_type) != TYPE_FUNCTION)
2489 error_loc_info(&arg->loc_info,
2490 "%s \'%s\' of %s \'%s\' cannot be a context handle\n",
2491 var_type, arg->name, container_type_name,
2492 container_name);
2493 break;
2494 case TGT_STRING:
2495 {
2496 const type_t *t = type;
2497 while (is_ptr(t))
2498 t = type_pointer_get_ref(t);
2499 if (is_aliaschain_attr(t, ATTR_RANGE))
2500 warning_loc_info(&arg->loc_info, "%s: range not verified for a string of ranged types\n", arg->name);
2501 break;
2502 }
2503 case TGT_POINTER:
2504 type = type_pointer_get_ref(type);
2505 more_to_do = TRUE;
2506 break;
2507 case TGT_ARRAY:
2508 type = type_array_get_element(type);
2509 more_to_do = TRUE;
2510 break;
2511 case TGT_USER_TYPE:
2512 case TGT_IFACE_POINTER:
2513 case TGT_BASIC:
2514 case TGT_ENUM:
2515 case TGT_RANGE:
2516 /* nothing to do */
2517 break;
2518 }
2519 } while (more_to_do);
2520 }
2521
2522 static void check_remoting_fields(const var_t *var, type_t *type)
2523 {
2524 const var_t *field;
2525 const var_list_t *fields = NULL;
2526
2527 type = type_get_real_type(type);
2528
2529 if (type->checked)
2530 return;
2531
2532 type->checked = TRUE;
2533
2534 if (type_get_type(type) == TYPE_STRUCT)
2535 {
2536 if (type_is_complete(type))
2537 fields = type_struct_get_fields(type);
2538 else
2539 error_loc_info(&var->loc_info, "undefined type declaration %s\n", type->name);
2540 }
2541 else if (type_get_type(type) == TYPE_UNION || type_get_type(type) == TYPE_ENCAPSULATED_UNION)
2542 fields = type_union_get_cases(type);
2543
2544 if (fields) LIST_FOR_EACH_ENTRY( field, fields, const var_t, entry )
2545 if (field->type) check_field_common(type, type->name, field);
2546 }
2547
2548 /* checks that arguments for a function make sense for marshalling and unmarshalling */
2549 static void check_remoting_args(const var_t *func)
2550 {
2551 const char *funcname = func->name;
2552 const var_t *arg;
2553
2554 if (func->type->details.function->args) LIST_FOR_EACH_ENTRY( arg, func->type->details.function->args, const var_t, entry )
2555 {
2556 const type_t *type = arg->type;
2557
2558 /* check that [out] parameters have enough pointer levels */
2559 if (is_attr(arg->attrs, ATTR_OUT))
2560 {
2561 switch (typegen_detect_type(type, arg->attrs, TDT_ALL_TYPES))
2562 {
2563 case TGT_BASIC:
2564 case TGT_ENUM:
2565 case TGT_RANGE:
2566 case TGT_STRUCT:
2567 case TGT_UNION:
2568 case TGT_CTXT_HANDLE:
2569 case TGT_USER_TYPE:
2570 error_loc_info(&arg->loc_info, "out parameter \'%s\' of function \'%s\' is not a pointer\n", arg->name, funcname);
2571 break;
2572 case TGT_IFACE_POINTER:
2573 error_loc_info(&arg->loc_info, "out interface pointer \'%s\' of function \'%s\' is not a double pointer\n", arg->name, funcname);
2574 break;
2575 case TGT_STRING:
2576 if (is_array(type))
2577 {
2578 /* needs conformance or fixed dimension */
2579 if (type_array_has_conformance(type) &&
2580 type_array_get_conformance(type)->type != EXPR_VOID) break;
2581 if (!type_array_has_conformance(type) && type_array_get_dim(type)) break;
2582 }
2583 if (is_attr( arg->attrs, ATTR_IN )) break;
2584 error_loc_info(&arg->loc_info, "out parameter \'%s\' of function \'%s\' cannot be an unsized string\n", arg->name, funcname);
2585 break;
2586 case TGT_INVALID:
2587 /* already error'd before we get here */
2588 case TGT_CTXT_HANDLE_POINTER:
2589 case TGT_POINTER:
2590 case TGT_ARRAY:
2591 /* OK */
2592 break;
2593 }
2594 }
2595
2596 check_field_common(func->type, funcname, arg);
2597 }
2598
2599 if (type_get_type(type_function_get_rettype(func->type)) != TYPE_VOID)
2600 {
2601 var_t var;
2602 var = *func;
2603 var.type = type_function_get_rettype(func->type);
2604 var.name = xstrdup("return value");
2605 check_field_common(func->type, funcname, &var);
2606 free(var.name);
2607 }
2608 }
2609
2610 static void add_explicit_handle_if_necessary(const type_t *iface, var_t *func)
2611 {
2612 unsigned char explicit_fc, implicit_fc;
2613
2614 /* check for a defined binding handle */
2615 if (!get_func_handle_var( iface, func, &explicit_fc, &implicit_fc ) || !explicit_fc)
2616 {
2617 /* no explicit handle specified so add
2618 * "[in] handle_t IDL_handle" as the first parameter to the
2619 * function */
2620 var_t *idl_handle = make_var(xstrdup("IDL_handle"));
2621 idl_handle->attrs = append_attr(NULL, make_attr(ATTR_IN));
2622 idl_handle->type = find_type_or_error("handle_t", 0);
2623 type_function_add_head_arg(func->type, idl_handle);
2624 }
2625 }
2626
2627 static void check_functions(const type_t *iface, int is_inside_library)
2628 {
2629 const statement_t *stmt;
2630 if (is_attr(iface->attrs, ATTR_EXPLICIT_HANDLE))
2631 {
2632 STATEMENTS_FOR_EACH_FUNC( stmt, type_iface_get_stmts(iface) )
2633 {
2634 var_t *func = stmt->u.var;
2635 add_explicit_handle_if_necessary(iface, func);
2636 }
2637 }
2638 if (!is_inside_library && !is_attr(iface->attrs, ATTR_LOCAL))
2639 {
2640 STATEMENTS_FOR_EACH_FUNC( stmt, type_iface_get_stmts(iface) )
2641 {
2642 const var_t *func = stmt->u.var;
2643 if (!is_attr(func->attrs, ATTR_LOCAL))
2644 check_remoting_args(func);
2645 }
2646 }
2647 }
2648
2649 static void check_statements(const statement_list_t *stmts, int is_inside_library)
2650 {
2651 const statement_t *stmt;
2652
2653 if (stmts) LIST_FOR_EACH_ENTRY(stmt, stmts, const statement_t, entry)
2654 {
2655 if (stmt->type == STMT_LIBRARY)
2656 check_statements(stmt->u.lib->stmts, TRUE);
2657 else if (stmt->type == STMT_TYPE && type_get_type(stmt->u.type) == TYPE_INTERFACE)
2658 check_functions(stmt->u.type, is_inside_library);
2659 }
2660 }
2661
2662 static void check_all_user_types(const statement_list_t *stmts)
2663 {
2664 const statement_t *stmt;
2665
2666 if (stmts) LIST_FOR_EACH_ENTRY(stmt, stmts, const statement_t, entry)
2667 {
2668 if (stmt->type == STMT_LIBRARY)
2669 check_all_user_types(stmt->u.lib->stmts);
2670 else if (stmt->type == STMT_TYPE && type_get_type(stmt->u.type) == TYPE_INTERFACE &&
2671 !is_local(stmt->u.type->attrs))
2672 {
2673 const statement_t *stmt_func;
2674 STATEMENTS_FOR_EACH_FUNC(stmt_func, type_iface_get_stmts(stmt->u.type)) {
2675 const var_t *func = stmt_func->u.var;
2676 check_for_additional_prototype_types(func->type->details.function->args);
2677 }
2678 }
2679 }
2680 }
2681
2682 int is_valid_uuid(const char *s)
2683 {
2684 int i;
2685
2686 for (i = 0; i < 36; ++i)
2687 if (i == 8 || i == 13 || i == 18 || i == 23)
2688 {
2689 if (s[i] != '-')
2690 return FALSE;
2691 }
2692 else
2693 if (!isxdigit(s[i]))
2694 return FALSE;
2695
2696 return s[i] == '\0';
2697 }
2698
2699 static statement_t *make_statement(enum statement_type type)
2700 {
2701 statement_t *stmt = xmalloc(sizeof(*stmt));
2702 stmt->type = type;
2703 return stmt;
2704 }
2705
2706 static statement_t *make_statement_type_decl(type_t *type)
2707 {
2708 statement_t *stmt = make_statement(STMT_TYPE);
2709 stmt->u.type = type;
2710 return stmt;
2711 }
2712
2713 static statement_t *make_statement_reference(type_t *type)
2714 {
2715 statement_t *stmt = make_statement(STMT_TYPEREF);
2716 stmt->u.type = type;
2717 return stmt;
2718 }
2719
2720 static statement_t *make_statement_declaration(var_t *var)
2721 {
2722 statement_t *stmt = make_statement(STMT_DECLARATION);
2723 stmt->u.var = var;
2724 if (var->stgclass == STG_EXTERN && var->eval)
2725 warning("'%s' initialised and declared extern\n", var->name);
2726 if (is_const_decl(var))
2727 {
2728 if (var->eval)
2729 reg_const(var);
2730 }
2731 else if (type_get_type(var->type) == TYPE_FUNCTION)
2732 check_function_attrs(var->name, var->attrs);
2733 else if (var->stgclass == STG_NONE || var->stgclass == STG_REGISTER)
2734 error_loc("instantiation of data is illegal\n");
2735 return stmt;
2736 }
2737
2738 static statement_t *make_statement_library(typelib_t *typelib)
2739 {
2740 statement_t *stmt = make_statement(STMT_LIBRARY);
2741 stmt->u.lib = typelib;
2742 return stmt;
2743 }
2744
2745 static statement_t *make_statement_cppquote(const char *str)
2746 {
2747 statement_t *stmt = make_statement(STMT_CPPQUOTE);
2748 stmt->u.str = str;
2749 return stmt;
2750 }
2751
2752 static statement_t *make_statement_importlib(const char *str)
2753 {
2754 statement_t *stmt = make_statement(STMT_IMPORTLIB);
2755 stmt->u.str = str;
2756 return stmt;
2757 }
2758
2759 static statement_t *make_statement_import(const char *str)
2760 {
2761 statement_t *stmt = make_statement(STMT_IMPORT);
2762 stmt->u.str = str;
2763 return stmt;
2764 }
2765
2766 static statement_t *make_statement_module(type_t *type)
2767 {
2768 statement_t *stmt = make_statement(STMT_MODULE);
2769 stmt->u.type = type;
2770 return stmt;
2771 }
2772
2773 static statement_t *make_statement_typedef(declarator_list_t *decls)
2774 {
2775 declarator_t *decl, *next;
2776 statement_t *stmt;
2777 type_list_t **type_list;
2778
2779 if (!decls) return NULL;
2780
2781 stmt = make_statement(STMT_TYPEDEF);
2782 stmt->u.type_list = NULL;
2783 type_list = &stmt->u.type_list;
2784
2785 LIST_FOR_EACH_ENTRY_SAFE( decl, next, decls, declarator_t, entry )
2786 {
2787 var_t *var = decl->var;
2788 type_t *type = find_type_or_error(var->name, 0);
2789 *type_list = xmalloc(sizeof(type_list_t));
2790 (*type_list)->type = type;
2791 (*type_list)->next = NULL;
2792
2793 type_list = &(*type_list)->next;
2794 free(decl);
2795 free(var);
2796 }
2797
2798 return stmt;
2799 }
2800
2801 static statement_list_t *append_statements(statement_list_t *l1, statement_list_t *l2)
2802 {
2803 if (!l2) return l1;
2804 if (!l1 || l1 == l2) return l2;
2805 list_move_tail (l1, l2);
2806 return l1;
2807 }
2808
2809 static attr_list_t *append_attribs(attr_list_t *l1, attr_list_t *l2)
2810 {
2811 if (!l2) return l1;
2812 if (!l1 || l1 == l2) return l2;
2813 list_move_tail (l1, l2);
2814 return l1;
2815 }
2816
2817 static statement_list_t *append_statement(statement_list_t *list, statement_t *stmt)
2818 {
2819 if (!stmt) return list;
2820 if (!list)
2821 {
2822 list = xmalloc( sizeof(*list) );
2823 list_init( list );
2824 }
2825 list_add_tail( list, &stmt->entry );
2826 return list;
2827 }
2828
2829 void init_loc_info(loc_info_t *i)
2830 {
2831 i->input_name = input_name ? input_name : "stdin";
2832 i->line_number = line_number;
2833 i->near_text = parser_text;
2834 }
2835
2836 static void check_def(const type_t *t)
2837 {
2838 if (t->defined)
2839 error_loc("%s: redefinition error; original definition was at %s:%d\n",
2840 t->name, t->loc_info.input_name, t->loc_info.line_number);
2841 }
Windows API implementation