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makefiles: Add makedep pragmas for proxy idl files.
[wine.git] / tools / widl / parser.y
blob946d165a3f046374c5235209478f8787a4f3f9b1
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_pragma(const char *str);
118 static statement_t *make_statement_cppquote(const char *str);
119 static statement_t *make_statement_importlib(const char *str);
120 static statement_t *make_statement_module(type_t *type);
121 static statement_t *make_statement_typedef(var_list_t *names);
122 static statement_t *make_statement_import(const char *str);
123 static statement_t *make_statement_typedef(var_list_t *names);
124 static statement_list_t *append_statement(statement_list_t *list, statement_t *stmt);
125 static statement_list_t *append_statements(statement_list_t *, statement_list_t *);
126 static attr_list_t *append_attribs(attr_list_t *, attr_list_t *);
127
128 %}
129 %union {
130 attr_t *attr;
131 attr_list_t *attr_list;
132 str_list_t *str_list;
133 expr_t *expr;
134 expr_list_t *expr_list;
135 array_dims_t *array_dims;
136 type_t *type;
137 var_t *var;
138 var_list_t *var_list;
139 declarator_t *declarator;
140 declarator_list_t *declarator_list;
141 statement_t *statement;
142 statement_list_t *stmt_list;
143 ifref_t *ifref;
144 ifref_list_t *ifref_list;
145 char *str;
146 UUID *uuid;
147 unsigned int num;
148 double dbl;
149 interface_info_t ifinfo;
150 typelib_t *typelib;
151 struct _import_t *import;
152 struct _decl_spec_t *declspec;
153 enum storage_class stgclass;
154 }
155
156 %token <str> aIDENTIFIER aPRAGMA
157 %token <str> aKNOWNTYPE
158 %token <num> aNUM aHEXNUM
159 %token <dbl> aDOUBLE
160 %token <str> aSTRING aWSTRING aSQSTRING
161 %token <uuid> aUUID
162 %token aEOF
163 %token SHL SHR
164 %token MEMBERPTR
165 %token EQUALITY INEQUALITY
166 %token GREATEREQUAL LESSEQUAL
167 %token LOGICALOR LOGICALAND
168 %token ELLIPSIS
169 %token tAGGREGATABLE tALLOCATE tANNOTATION tAPPOBJECT tASYNC tASYNCUUID
170 %token tAUTOHANDLE tBINDABLE tBOOLEAN tBROADCAST tBYTE tBYTECOUNT
171 %token tCALLAS tCALLBACK tCASE tCDECL tCHAR tCOCLASS tCODE tCOMMSTATUS
172 %token tCONST tCONTEXTHANDLE tCONTEXTHANDLENOSERIALIZE
173 %token tCONTEXTHANDLESERIALIZE tCONTROL tCPPQUOTE
174 %token tDECODE tDEFAULT tDEFAULTBIND
175 %token tDEFAULTCOLLELEM
176 %token tDEFAULTVALUE
177 %token tDEFAULTVTABLE
178 %token tDISABLECONSISTENCYCHECK tDISPLAYBIND
179 %token tDISPINTERFACE
180 %token tDLLNAME tDOUBLE tDUAL
181 %token tENABLEALLOCATE tENCODE tENDPOINT
182 %token tENTRY tENUM tERRORSTATUST
183 %token tEXPLICITHANDLE tEXTERN
184 %token tFALSE
185 %token tFASTCALL tFAULTSTATUS
186 %token tFLOAT tFORCEALLOCATE
187 %token tHANDLE
188 %token tHANDLET
189 %token tHELPCONTEXT tHELPFILE
190 %token tHELPSTRING tHELPSTRINGCONTEXT tHELPSTRINGDLL
191 %token tHIDDEN
192 %token tHYPER tID tIDEMPOTENT
193 %token tIGNORE tIIDIS
194 %token tIMMEDIATEBIND
195 %token tIMPLICITHANDLE
196 %token tIMPORT tIMPORTLIB
197 %token tIN tIN_LINE tINLINE
198 %token tINPUTSYNC
199 %token tINT tINT3264 tINT64
200 %token tINTERFACE
201 %token tLCID
202 %token tLENGTHIS tLIBRARY
203 %token tLICENSED tLOCAL
204 %token tLONG
205 %token tMAYBE tMESSAGE
206 %token tMETHODS
207 %token tMODULE
208 %token tNAMESPACE
209 %token tNOCODE tNONBROWSABLE
210 %token tNONCREATABLE
211 %token tNONEXTENSIBLE
212 %token tNOTIFY tNOTIFYFLAG
213 %token tNULL
214 %token tOBJECT tODL tOLEAUTOMATION
215 %token tOPTIMIZE tOPTIONAL
216 %token tOUT
217 %token tPARTIALIGNORE tPASCAL
218 %token tPOINTERDEFAULT
219 %token tPROGID tPROPERTIES
220 %token tPROPGET tPROPPUT tPROPPUTREF
221 %token tPROXY tPTR
222 %token tPUBLIC
223 %token tRANGE
224 %token tREADONLY tREF
225 %token tREGISTER tREPRESENTAS
226 %token tREQUESTEDIT
227 %token tRESTRICTED
228 %token tRETVAL
229 %token tSAFEARRAY
230 %token tSHORT
231 %token tSIGNED
232 %token tSIZEIS tSIZEOF
233 %token tSMALL
234 %token tSOURCE
235 %token tSTATIC
236 %token tSTDCALL
237 %token tSTRICTCONTEXTHANDLE
238 %token tSTRING tSTRUCT
239 %token tSWITCH tSWITCHIS tSWITCHTYPE
240 %token tTHREADING tTRANSMITAS
241 %token tTRUE
242 %token tTYPEDEF
243 %token tUIDEFAULT tUNION
244 %token tUNIQUE
245 %token tUNSIGNED
246 %token tUSESGETLASTERROR tUSERMARSHAL tUUID
247 %token tV1ENUM
248 %token tVARARG
249 %token tVERSION tVIPROGID
250 %token tVOID
251 %token tWCHAR tWIREMARSHAL
252 %token tAPARTMENT tNEUTRAL tSINGLE tFREE tBOTH
253
254 %type <attr> attribute type_qualifier function_specifier
255 %type <attr_list> m_attributes attributes attrib_list m_type_qual_list
256 %type <str_list> str_list
257 %type <expr> m_expr expr expr_const expr_int_const array m_bitfield
258 %type <expr_list> m_exprs /* exprs expr_list */ expr_list_int_const
259 %type <ifinfo> interfacehdr
260 %type <stgclass> storage_cls_spec
261 %type <declspec> decl_spec decl_spec_no_type m_decl_spec_no_type
262 %type <type> inherit interface interfacedef interfacedec
263 %type <type> dispinterface dispinterfacehdr dispinterfacedef
264 %type <type> module modulehdr moduledef
265 %type <type> namespacedef
266 %type <type> base_type int_std
267 %type <type> enumdef structdef uniondef typedecl
268 %type <type> type
269 %type <ifref> coclass_int
270 %type <ifref_list> coclass_ints
271 %type <var> arg ne_union_field union_field s_field case enum declaration
272 %type <var> funcdef
273 %type <var_list> m_args arg_list args dispint_meths
274 %type <var_list> fields ne_union_fields cases enums enum_list dispint_props field
275 %type <var> m_ident ident
276 %type <declarator> declarator direct_declarator init_declarator struct_declarator
277 %type <declarator> m_any_declarator any_declarator any_declarator_no_direct any_direct_declarator
278 %type <declarator> m_abstract_declarator abstract_declarator abstract_declarator_no_direct abstract_direct_declarator
279 %type <declarator_list> declarator_list struct_declarator_list
280 %type <type> coclass coclasshdr coclassdef
281 %type <num> pointer_type threading_type version
282 %type <str> libraryhdr callconv cppquote importlib import t_ident
283 %type <uuid> uuid_string
284 %type <import> import_start
285 %type <typelib> library_start librarydef
286 %type <statement> statement typedef
287 %type <stmt_list> gbl_statements imp_statements int_statements
288
289 %left ','
290 %right '?' ':'
291 %left LOGICALOR
292 %left LOGICALAND
293 %left '|'
294 %left '^'
295 %left '&'
296 %left EQUALITY INEQUALITY
297 %left '<' '>' LESSEQUAL GREATEREQUAL
298 %left SHL SHR
299 %left '-' '+'
300 %left '*' '/' '%'
301 %right '!' '~' CAST PPTR POS NEG ADDRESSOF tSIZEOF
302 %left '.' MEMBERPTR '[' ']'
303
304 %error-verbose
305
306 %%
307
308 input: gbl_statements { fix_incomplete();
309 check_statements($1, FALSE);
310 check_all_user_types($1);
311 write_header($1);
312 write_id_data($1);
313 write_proxies($1);
314 write_client($1);
315 write_server($1);
316 write_regscript($1);
317 write_dlldata($1);
318 write_local_stubs($1);
319 }
320 ;
321
322 gbl_statements: { $$ = NULL; }
323 | gbl_statements namespacedef '{' gbl_statements '}'
324 { $$ = append_statements($1, $4); }
325 | gbl_statements interfacedec { $$ = append_statement($1, make_statement_reference($2)); }
326 | gbl_statements interfacedef { $$ = append_statement($1, make_statement_type_decl($2)); }
327 | gbl_statements coclass ';' { $$ = $1;
328 reg_type($2, $2->name, 0);
329 }
330 | gbl_statements coclassdef { $$ = append_statement($1, make_statement_type_decl($2));
331 reg_type($2, $2->name, 0);
332 }
333 | gbl_statements moduledef { $$ = append_statement($1, make_statement_module($2)); }
334 | gbl_statements librarydef { $$ = append_statement($1, make_statement_library($2)); }
335 | gbl_statements statement { $$ = append_statement($1, $2); }
336 ;
337
338 imp_statements: { $$ = NULL; }
339 | imp_statements interfacedec { $$ = append_statement($1, make_statement_reference($2)); }
340 | imp_statements namespacedef '{' imp_statements '}'
341 { $$ = append_statements($1, $4); }
342 | imp_statements interfacedef { $$ = append_statement($1, make_statement_type_decl($2)); }
343 | imp_statements coclass ';' { $$ = $1; reg_type($2, $2->name, 0); }
344 | imp_statements coclassdef { $$ = append_statement($1, make_statement_type_decl($2));
345 reg_type($2, $2->name, 0);
346 }
347 | imp_statements moduledef { $$ = append_statement($1, make_statement_module($2)); }
348 | imp_statements statement { $$ = append_statement($1, $2); }
349 | imp_statements importlib { $$ = append_statement($1, make_statement_importlib($2)); }
350 | imp_statements librarydef { $$ = append_statement($1, make_statement_library($2)); }
351 ;
352
353 int_statements: { $$ = NULL; }
354 | int_statements statement { $$ = append_statement($1, $2); }
355 ;
356
357 semicolon_opt:
358 | ';'
359 ;
360
361 statement:
362 cppquote { $$ = make_statement_cppquote($1); }
363 | typedecl ';' { $$ = make_statement_type_decl($1); }
364 | declaration ';' { $$ = make_statement_declaration($1); }
365 | import { $$ = make_statement_import($1); }
366 | typedef ';' { $$ = $1; }
367 | aPRAGMA { $$ = make_statement_pragma($1); }
368 ;
369
370 typedecl:
371 enumdef
372 | tENUM aIDENTIFIER { $$ = type_new_enum($2, FALSE, NULL); }
373 | structdef
374 | tSTRUCT aIDENTIFIER { $$ = type_new_struct($2, FALSE, NULL); }
375 | uniondef
376 | tUNION aIDENTIFIER { $$ = type_new_nonencapsulated_union($2, FALSE, NULL); }
377 | attributes enumdef { $$ = $2; $$->attrs = check_enum_attrs($1); }
378 | attributes structdef { $$ = $2; $$->attrs = check_struct_attrs($1); }
379 | attributes uniondef { $$ = $2; $$->attrs = check_union_attrs($1); }
380 ;
381
382 cppquote: tCPPQUOTE '(' aSTRING ')' { $$ = $3; }
383 ;
384 import_start: tIMPORT aSTRING ';' { assert(yychar == YYEMPTY);
385 $$ = xmalloc(sizeof(struct _import_t));
386 $$->name = $2;
387 $$->import_performed = do_import($2);
388 if (!$$->import_performed) yychar = aEOF;
389 }
390 ;
391
392 import: import_start imp_statements aEOF { $$ = $1->name;
393 if ($1->import_performed) pop_import();
394 free($1);
395 }
396 ;
397
398 importlib: tIMPORTLIB '(' aSTRING ')'
399 semicolon_opt { $$ = $3; if(!parse_only) add_importlib($3); }
400 ;
401
402 libraryhdr: tLIBRARY aIDENTIFIER { $$ = $2; }
403 ;
404 library_start: attributes libraryhdr '{' { $$ = make_library($2, check_library_attrs($2, $1));
405 if (!parse_only) start_typelib($$);
406 }
407 ;
408 librarydef: library_start imp_statements '}'
409 semicolon_opt { $$ = $1;
410 $$->stmts = $2;
411 if (!parse_only) end_typelib();
412 }
413 ;
414
415 m_args: { $$ = NULL; }
416 | args
417 ;
418
419 arg_list: arg { check_arg_attrs($1); $$ = append_var( NULL, $1 ); }
420 | arg_list ',' arg { check_arg_attrs($3); $$ = append_var( $1, $3 ); }
421 ;
422
423 args: arg_list
424 | arg_list ',' ELLIPSIS { $$ = append_var( $1, make_var(strdup("...")) ); }
425 ;
426
427 /* split into two rules to get bison to resolve a tVOID conflict */
428 arg: attributes decl_spec m_any_declarator { if ($2->stgclass != STG_NONE && $2->stgclass != STG_REGISTER)
429 error_loc("invalid storage class for function parameter\n");
430 $$ = declare_var($1, $2, $3, TRUE);
431 free($2); free($3);
432 }
433 | decl_spec m_any_declarator { if ($1->stgclass != STG_NONE && $1->stgclass != STG_REGISTER)
434 error_loc("invalid storage class for function parameter\n");
435 $$ = declare_var(NULL, $1, $2, TRUE);
436 free($1); free($2);
437 }
438 ;
439
440 array: '[' expr ']' { $$ = $2;
441 if (!$$->is_const)
442 error_loc("array dimension is not an integer constant\n");
443 }
444 | '[' '*' ']' { $$ = make_expr(EXPR_VOID); }
445 | '[' ']' { $$ = make_expr(EXPR_VOID); }
446 ;
447
448 m_attributes: { $$ = NULL; }
449 | attributes
450 ;
451
452 attributes:
453 '[' attrib_list ']' { $$ = $2; }
454 ;
455
456 attrib_list: attribute { $$ = append_attr( NULL, $1 ); }
457 | attrib_list ',' attribute { $$ = append_attr( $1, $3 ); }
458 | attrib_list ']' '[' attribute { $$ = append_attr( $1, $4 ); }
459 ;
460
461 str_list: aSTRING { $$ = append_str( NULL, $1 ); }
462 | str_list ',' aSTRING { $$ = append_str( $1, $3 ); }
463 ;
464
465 attribute: { $$ = NULL; }
466 | tAGGREGATABLE { $$ = make_attr(ATTR_AGGREGATABLE); }
467 | tANNOTATION '(' aSTRING ')' { $$ = make_attrp(ATTR_ANNOTATION, $3); }
468 | tAPPOBJECT { $$ = make_attr(ATTR_APPOBJECT); }
469 | tASYNC { $$ = make_attr(ATTR_ASYNC); }
470 | tAUTOHANDLE { $$ = make_attr(ATTR_AUTO_HANDLE); }
471 | tBINDABLE { $$ = make_attr(ATTR_BINDABLE); }
472 | tBROADCAST { $$ = make_attr(ATTR_BROADCAST); }
473 | tCALLAS '(' ident ')' { $$ = make_attrp(ATTR_CALLAS, $3); }
474 | tCASE '(' expr_list_int_const ')' { $$ = make_attrp(ATTR_CASE, $3); }
475 | tCODE { $$ = make_attr(ATTR_CODE); }
476 | tCOMMSTATUS { $$ = make_attr(ATTR_COMMSTATUS); }
477 | tCONTEXTHANDLE { $$ = make_attrv(ATTR_CONTEXTHANDLE, 0); }
478 | tCONTEXTHANDLENOSERIALIZE { $$ = make_attrv(ATTR_CONTEXTHANDLE, 0); /* RPC_CONTEXT_HANDLE_DONT_SERIALIZE */ }
479 | tCONTEXTHANDLESERIALIZE { $$ = make_attrv(ATTR_CONTEXTHANDLE, 0); /* RPC_CONTEXT_HANDLE_SERIALIZE */ }
480 | tCONTROL { $$ = make_attr(ATTR_CONTROL); }
481 | tDECODE { $$ = make_attr(ATTR_DECODE); }
482 | tDEFAULT { $$ = make_attr(ATTR_DEFAULT); }
483 | tDEFAULTBIND { $$ = make_attr(ATTR_DEFAULTBIND); }
484 | tDEFAULTCOLLELEM { $$ = make_attr(ATTR_DEFAULTCOLLELEM); }
485 | tDEFAULTVALUE '(' expr_const ')' { $$ = make_attrp(ATTR_DEFAULTVALUE, $3); }
486 | tDEFAULTVTABLE { $$ = make_attr(ATTR_DEFAULTVTABLE); }
487 | tDISABLECONSISTENCYCHECK { $$ = make_attr(ATTR_DISABLECONSISTENCYCHECK); }
488 | tDISPLAYBIND { $$ = make_attr(ATTR_DISPLAYBIND); }
489 | tDLLNAME '(' aSTRING ')' { $$ = make_attrp(ATTR_DLLNAME, $3); }
490 | tDUAL { $$ = make_attr(ATTR_DUAL); }
491 | tENABLEALLOCATE { $$ = make_attr(ATTR_ENABLEALLOCATE); }
492 | tENCODE { $$ = make_attr(ATTR_ENCODE); }
493 | tENDPOINT '(' str_list ')' { $$ = make_attrp(ATTR_ENDPOINT, $3); }
494 | tENTRY '(' expr_const ')' { $$ = make_attrp(ATTR_ENTRY, $3); }
495 | tEXPLICITHANDLE { $$ = make_attr(ATTR_EXPLICIT_HANDLE); }
496 | tFAULTSTATUS { $$ = make_attr(ATTR_FAULTSTATUS); }
497 | tFORCEALLOCATE { $$ = make_attr(ATTR_FORCEALLOCATE); }
498 | tHANDLE { $$ = make_attr(ATTR_HANDLE); }
499 | tHELPCONTEXT '(' expr_int_const ')' { $$ = make_attrp(ATTR_HELPCONTEXT, $3); }
500 | tHELPFILE '(' aSTRING ')' { $$ = make_attrp(ATTR_HELPFILE, $3); }
501 | tHELPSTRING '(' aSTRING ')' { $$ = make_attrp(ATTR_HELPSTRING, $3); }
502 | tHELPSTRINGCONTEXT '(' expr_int_const ')' { $$ = make_attrp(ATTR_HELPSTRINGCONTEXT, $3); }
503 | tHELPSTRINGDLL '(' aSTRING ')' { $$ = make_attrp(ATTR_HELPSTRINGDLL, $3); }
504 | tHIDDEN { $$ = make_attr(ATTR_HIDDEN); }
505 | tID '(' expr_int_const ')' { $$ = make_attrp(ATTR_ID, $3); }
506 | tIDEMPOTENT { $$ = make_attr(ATTR_IDEMPOTENT); }
507 | tIGNORE { $$ = make_attr(ATTR_IGNORE); }
508 | tIIDIS '(' expr ')' { $$ = make_attrp(ATTR_IIDIS, $3); }
509 | tIMMEDIATEBIND { $$ = make_attr(ATTR_IMMEDIATEBIND); }
510 | tIMPLICITHANDLE '(' arg ')' { $$ = make_attrp(ATTR_IMPLICIT_HANDLE, $3); }
511 | tIN { $$ = make_attr(ATTR_IN); }
512 | tINPUTSYNC { $$ = make_attr(ATTR_INPUTSYNC); }
513 | tLENGTHIS '(' m_exprs ')' { $$ = make_attrp(ATTR_LENGTHIS, $3); }
514 | tLCID '(' expr_int_const ')' { $$ = make_attrp(ATTR_LIBLCID, $3); }
515 | tLCID { $$ = make_attr(ATTR_PARAMLCID); }
516 | tLICENSED { $$ = make_attr(ATTR_LICENSED); }
517 | tLOCAL { $$ = make_attr(ATTR_LOCAL); }
518 | tMAYBE { $$ = make_attr(ATTR_MAYBE); }
519 | tMESSAGE { $$ = make_attr(ATTR_MESSAGE); }
520 | tNOCODE { $$ = make_attr(ATTR_NOCODE); }
521 | tNONBROWSABLE { $$ = make_attr(ATTR_NONBROWSABLE); }
522 | tNONCREATABLE { $$ = make_attr(ATTR_NONCREATABLE); }
523 | tNONEXTENSIBLE { $$ = make_attr(ATTR_NONEXTENSIBLE); }
524 | tNOTIFY { $$ = make_attr(ATTR_NOTIFY); }
525 | tNOTIFYFLAG { $$ = make_attr(ATTR_NOTIFYFLAG); }
526 | tOBJECT { $$ = make_attr(ATTR_OBJECT); }
527 | tODL { $$ = make_attr(ATTR_ODL); }
528 | tOLEAUTOMATION { $$ = make_attr(ATTR_OLEAUTOMATION); }
529 | tOPTIMIZE '(' aSTRING ')' { $$ = make_attrp(ATTR_OPTIMIZE, $3); }
530 | tOPTIONAL { $$ = make_attr(ATTR_OPTIONAL); }
531 | tOUT { $$ = make_attr(ATTR_OUT); }
532 | tPARTIALIGNORE { $$ = make_attr(ATTR_PARTIALIGNORE); }
533 | tPOINTERDEFAULT '(' pointer_type ')' { $$ = make_attrv(ATTR_POINTERDEFAULT, $3); }
534 | tPROGID '(' aSTRING ')' { $$ = make_attrp(ATTR_PROGID, $3); }
535 | tPROPGET { $$ = make_attr(ATTR_PROPGET); }
536 | tPROPPUT { $$ = make_attr(ATTR_PROPPUT); }
537 | tPROPPUTREF { $$ = make_attr(ATTR_PROPPUTREF); }
538 | tPROXY { $$ = make_attr(ATTR_PROXY); }
539 | tPUBLIC { $$ = make_attr(ATTR_PUBLIC); }
540 | tRANGE '(' expr_int_const ',' expr_int_const ')'
541 { expr_list_t *list = append_expr( NULL, $3 );
542 list = append_expr( list, $5 );
543 $$ = make_attrp(ATTR_RANGE, list); }
544 | tREADONLY { $$ = make_attr(ATTR_READONLY); }
545 | tREPRESENTAS '(' type ')' { $$ = make_attrp(ATTR_REPRESENTAS, $3); }
546 | tREQUESTEDIT { $$ = make_attr(ATTR_REQUESTEDIT); }
547 | tRESTRICTED { $$ = make_attr(ATTR_RESTRICTED); }
548 | tRETVAL { $$ = make_attr(ATTR_RETVAL); }
549 | tSIZEIS '(' m_exprs ')' { $$ = make_attrp(ATTR_SIZEIS, $3); }
550 | tSOURCE { $$ = make_attr(ATTR_SOURCE); }
551 | tSTRICTCONTEXTHANDLE { $$ = make_attr(ATTR_STRICTCONTEXTHANDLE); }
552 | tSTRING { $$ = make_attr(ATTR_STRING); }
553 | tSWITCHIS '(' expr ')' { $$ = make_attrp(ATTR_SWITCHIS, $3); }
554 | tSWITCHTYPE '(' type ')' { $$ = make_attrp(ATTR_SWITCHTYPE, $3); }
555 | tTRANSMITAS '(' type ')' { $$ = make_attrp(ATTR_TRANSMITAS, $3); }
556 | tTHREADING '(' threading_type ')' { $$ = make_attrv(ATTR_THREADING, $3); }
557 | tUIDEFAULT { $$ = make_attr(ATTR_UIDEFAULT); }
558 | tUSESGETLASTERROR { $$ = make_attr(ATTR_USESGETLASTERROR); }
559 | tUSERMARSHAL '(' type ')' { $$ = make_attrp(ATTR_USERMARSHAL, $3); }
560 | tUUID '(' uuid_string ')' { $$ = make_attrp(ATTR_UUID, $3); }
561 | tASYNCUUID '(' uuid_string ')' { $$ = make_attrp(ATTR_ASYNCUUID, $3); }
562 | tV1ENUM { $$ = make_attr(ATTR_V1ENUM); }
563 | tVARARG { $$ = make_attr(ATTR_VARARG); }
564 | tVERSION '(' version ')' { $$ = make_attrv(ATTR_VERSION, $3); }
565 | tVIPROGID '(' aSTRING ')' { $$ = make_attrp(ATTR_VIPROGID, $3); }
566 | tWIREMARSHAL '(' type ')' { $$ = make_attrp(ATTR_WIREMARSHAL, $3); }
567 | pointer_type { $$ = make_attrv(ATTR_POINTERTYPE, $1); }
568 ;
569
570 uuid_string:
571 aUUID
572 | aSTRING { if (!is_valid_uuid($1))
573 error_loc("invalid UUID: %s\n", $1);
574 $$ = parse_uuid($1); }
575 ;
576
577 callconv: tCDECL { $$ = xstrdup("__cdecl"); }
578 | tFASTCALL { $$ = xstrdup("__fastcall"); }
579 | tPASCAL { $$ = xstrdup("__pascal"); }
580 | tSTDCALL { $$ = xstrdup("__stdcall"); }
581 ;
582
583 cases: { $$ = NULL; }
584 | cases case { $$ = append_var( $1, $2 ); }
585 ;
586
587 case: tCASE expr_int_const ':' union_field { attr_t *a = make_attrp(ATTR_CASE, append_expr( NULL, $2 ));
588 $$ = $4; if (!$$) $$ = make_var(NULL);
589 $$->attrs = append_attr( $$->attrs, a );
590 }
591 | tDEFAULT ':' union_field { attr_t *a = make_attr(ATTR_DEFAULT);
592 $$ = $3; if (!$$) $$ = make_var(NULL);
593 $$->attrs = append_attr( $$->attrs, a );
594 }
595 ;
596
597 enums: { $$ = NULL; }
598 | enum_list ',' { $$ = $1; }
599 | enum_list
600 ;
601
602 enum_list: enum { if (!$1->eval)
603 $1->eval = make_exprl(EXPR_NUM, 0 /* default for first enum entry */);
604 $$ = append_var( NULL, $1 );
605 }
606 | enum_list ',' enum { if (!$3->eval)
607 {
608 var_t *last = LIST_ENTRY( list_tail($$), var_t, entry );
609 enum expr_type type = EXPR_NUM;
610 if (last->eval->type == EXPR_HEXNUM) type = EXPR_HEXNUM;
611 if (last->eval->cval + 1 < 0) type = EXPR_HEXNUM;
612 $3->eval = make_exprl(type, last->eval->cval + 1);
613 }
614 $$ = append_var( $1, $3 );
615 }
616 ;
617
618 enum: ident '=' expr_int_const { $$ = reg_const($1);
619 $$->eval = $3;
620 $$->type = type_new_int(TYPE_BASIC_INT, 0);
621 }
622 | ident { $$ = reg_const($1);
623 $$->type = type_new_int(TYPE_BASIC_INT, 0);
624 }
625 ;
626
627 enumdef: tENUM t_ident '{' enums '}' { $$ = type_new_enum($2, TRUE, $4); }
628 ;
629
630 m_exprs: m_expr { $$ = append_expr( NULL, $1 ); }
631 | m_exprs ',' m_expr { $$ = append_expr( $1, $3 ); }
632 ;
633
634 m_expr: { $$ = make_expr(EXPR_VOID); }
635 | expr
636 ;
637
638 expr: aNUM { $$ = make_exprl(EXPR_NUM, $1); }
639 | aHEXNUM { $$ = make_exprl(EXPR_HEXNUM, $1); }
640 | aDOUBLE { $$ = make_exprd(EXPR_DOUBLE, $1); }
641 | tFALSE { $$ = make_exprl(EXPR_TRUEFALSE, 0); }
642 | tNULL { $$ = make_exprl(EXPR_NUM, 0); }
643 | tTRUE { $$ = make_exprl(EXPR_TRUEFALSE, 1); }
644 | aSTRING { $$ = make_exprs(EXPR_STRLIT, $1); }
645 | aWSTRING { $$ = make_exprs(EXPR_WSTRLIT, $1); }
646 | aSQSTRING { $$ = make_exprs(EXPR_CHARCONST, $1); }
647 | aIDENTIFIER { $$ = make_exprs(EXPR_IDENTIFIER, $1); }
648 | expr '?' expr ':' expr { $$ = make_expr3(EXPR_COND, $1, $3, $5); }
649 | expr LOGICALOR expr { $$ = make_expr2(EXPR_LOGOR, $1, $3); }
650 | expr LOGICALAND expr { $$ = make_expr2(EXPR_LOGAND, $1, $3); }
651 | expr '|' expr { $$ = make_expr2(EXPR_OR , $1, $3); }
652 | expr '^' expr { $$ = make_expr2(EXPR_XOR, $1, $3); }
653 | expr '&' expr { $$ = make_expr2(EXPR_AND, $1, $3); }
654 | expr EQUALITY expr { $$ = make_expr2(EXPR_EQUALITY, $1, $3); }
655 | expr INEQUALITY expr { $$ = make_expr2(EXPR_INEQUALITY, $1, $3); }
656 | expr '>' expr { $$ = make_expr2(EXPR_GTR, $1, $3); }
657 | expr '<' expr { $$ = make_expr2(EXPR_LESS, $1, $3); }
658 | expr GREATEREQUAL expr { $$ = make_expr2(EXPR_GTREQL, $1, $3); }
659 | expr LESSEQUAL expr { $$ = make_expr2(EXPR_LESSEQL, $1, $3); }
660 | expr SHL expr { $$ = make_expr2(EXPR_SHL, $1, $3); }
661 | expr SHR expr { $$ = make_expr2(EXPR_SHR, $1, $3); }
662 | expr '+' expr { $$ = make_expr2(EXPR_ADD, $1, $3); }
663 | expr '-' expr { $$ = make_expr2(EXPR_SUB, $1, $3); }
664 | expr '%' expr { $$ = make_expr2(EXPR_MOD, $1, $3); }
665 | expr '*' expr { $$ = make_expr2(EXPR_MUL, $1, $3); }
666 | expr '/' expr { $$ = make_expr2(EXPR_DIV, $1, $3); }
667 | '!' expr { $$ = make_expr1(EXPR_LOGNOT, $2); }
668 | '~' expr { $$ = make_expr1(EXPR_NOT, $2); }
669 | '+' expr %prec POS { $$ = make_expr1(EXPR_POS, $2); }
670 | '-' expr %prec NEG { $$ = make_expr1(EXPR_NEG, $2); }
671 | '&' expr %prec ADDRESSOF { $$ = make_expr1(EXPR_ADDRESSOF, $2); }
672 | '*' expr %prec PPTR { $$ = make_expr1(EXPR_PPTR, $2); }
673 | expr MEMBERPTR aIDENTIFIER { $$ = make_expr2(EXPR_MEMBER, make_expr1(EXPR_PPTR, $1), make_exprs(EXPR_IDENTIFIER, $3)); }
674 | expr '.' aIDENTIFIER { $$ = make_expr2(EXPR_MEMBER, $1, make_exprs(EXPR_IDENTIFIER, $3)); }
675 | '(' decl_spec m_abstract_declarator ')' expr %prec CAST
676 { $$ = make_exprt(EXPR_CAST, declare_var(NULL, $2, $3, 0), $5); free($2); free($3); }
677 | tSIZEOF '(' decl_spec m_abstract_declarator ')'
678 { $$ = make_exprt(EXPR_SIZEOF, declare_var(NULL, $3, $4, 0), NULL); free($3); free($4); }
679 | expr '[' expr ']' { $$ = make_expr2(EXPR_ARRAY, $1, $3); }
680 | '(' expr ')' { $$ = $2; }
681 ;
682
683 expr_list_int_const: expr_int_const { $$ = append_expr( NULL, $1 ); }
684 | expr_list_int_const ',' expr_int_const { $$ = append_expr( $1, $3 ); }
685 ;
686
687 expr_int_const: expr { $$ = $1;
688 if (!$$->is_const)
689 error_loc("expression is not an integer constant\n");
690 }
691 ;
692
693 expr_const: expr { $$ = $1;
694 if (!$$->is_const && $$->type != EXPR_STRLIT && $$->type != EXPR_WSTRLIT)
695 error_loc("expression is not constant\n");
696 }
697 ;
698
699 fields: { $$ = NULL; }
700 | fields field { $$ = append_var_list($1, $2); }
701 ;
702
703 field: m_attributes decl_spec struct_declarator_list ';'
704 { const char *first = LIST_ENTRY(list_head($3), declarator_t, entry)->var->name;
705 check_field_attrs(first, $1);
706 $$ = set_var_types($1, $2, $3);
707 }
708 | m_attributes uniondef ';' { var_t *v = make_var(NULL);
709 v->type = $2; v->attrs = $1;
710 $$ = append_var(NULL, v);
711 }
712 ;
713
714 ne_union_field:
715 s_field ';' { $$ = $1; }
716 | attributes ';' { $$ = make_var(NULL); $$->attrs = $1; }
717 ;
718
719 ne_union_fields: { $$ = NULL; }
720 | ne_union_fields ne_union_field { $$ = append_var( $1, $2 ); }
721 ;
722
723 union_field:
724 s_field ';' { $$ = $1; }
725 | ';' { $$ = NULL; }
726 ;
727
728 s_field: m_attributes decl_spec declarator { $$ = declare_var(check_field_attrs($3->var->name, $1),
729 $2, $3, FALSE);
730 free($3);
731 }
732 | m_attributes structdef { var_t *v = make_var(NULL);
733 v->type = $2; v->attrs = $1;
734 $$ = v;
735 }
736 ;
737
738 funcdef: declaration { $$ = $1;
739 if (type_get_type($$->type) != TYPE_FUNCTION)
740 error_loc("only methods may be declared inside the methods section of a dispinterface\n");
741 check_function_attrs($$->name, $$->attrs);
742 }
743 ;
744
745 declaration:
746 attributes decl_spec init_declarator
747 { $$ = declare_var($1, $2, $3, FALSE);
748 free($3);
749 }
750 | decl_spec init_declarator { $$ = declare_var(NULL, $1, $2, FALSE);
751 free($2);
752 }
753 ;
754
755 m_ident: { $$ = NULL; }
756 | ident
757 ;
758
759 t_ident: { $$ = NULL; }
760 | aIDENTIFIER { $$ = $1; }
761 | aKNOWNTYPE { $$ = $1; }
762 ;
763
764 ident: aIDENTIFIER { $$ = make_var($1); }
765 /* some "reserved words" used in attributes are also used as field names in some MS IDL files */
766 | aKNOWNTYPE { $$ = make_var($<str>1); }
767 ;
768
769 base_type: tBYTE { $$ = find_type_or_error($<str>1, 0); }
770 | tWCHAR { $$ = find_type_or_error($<str>1, 0); }
771 | int_std
772 | tSIGNED int_std { $$ = type_new_int(type_basic_get_type($2), -1); }
773 | tUNSIGNED int_std { $$ = type_new_int(type_basic_get_type($2), 1); }
774 | tUNSIGNED { $$ = type_new_int(TYPE_BASIC_INT, 1); }
775 | tFLOAT { $$ = find_type_or_error($<str>1, 0); }
776 | tDOUBLE { $$ = find_type_or_error($<str>1, 0); }
777 | tBOOLEAN { $$ = find_type_or_error($<str>1, 0); }
778 | tERRORSTATUST { $$ = find_type_or_error($<str>1, 0); }
779 | tHANDLET { $$ = find_type_or_error($<str>1, 0); }
780 ;
781
782 m_int:
783 | tINT
784 ;
785
786 int_std: tINT { $$ = type_new_int(TYPE_BASIC_INT, 0); }
787 | tSHORT m_int { $$ = type_new_int(TYPE_BASIC_INT16, 0); }
788 | tSMALL { $$ = type_new_int(TYPE_BASIC_INT8, 0); }
789 | tLONG m_int { $$ = type_new_int(TYPE_BASIC_INT32, 0); }
790 | tHYPER m_int { $$ = type_new_int(TYPE_BASIC_HYPER, 0); }
791 | tINT64 { $$ = type_new_int(TYPE_BASIC_INT64, 0); }
792 | tCHAR { $$ = type_new_int(TYPE_BASIC_CHAR, 0); }
793 | tINT3264 { $$ = type_new_int(TYPE_BASIC_INT3264, 0); }
794 ;
795
796 coclass: tCOCLASS aIDENTIFIER { $$ = type_new_coclass($2); }
797 | tCOCLASS aKNOWNTYPE { $$ = find_type($2, 0);
798 if (type_get_type_detect_alias($$) != TYPE_COCLASS)
799 error_loc("%s was not declared a coclass at %s:%d\n",
800 $2, $$->loc_info.input_name,
801 $$->loc_info.line_number);
802 }
803 ;
804
805 coclasshdr: attributes coclass { $$ = $2;
806 check_def($$);
807 $$->attrs = check_coclass_attrs($2->name, $1);
808 }
809 ;
810
811 coclassdef: coclasshdr '{' coclass_ints '}' semicolon_opt
812 { $$ = type_coclass_define($1, $3); }
813 ;
814
815 namespacedef: tNAMESPACE aIDENTIFIER { $$ = NULL; }
816 ;
817
818 coclass_ints: { $$ = NULL; }
819 | coclass_ints coclass_int { $$ = append_ifref( $1, $2 ); }
820 ;
821
822 coclass_int:
823 m_attributes interfacedec { $$ = make_ifref($2); $$->attrs = $1; }
824 ;
825
826 dispinterface: tDISPINTERFACE aIDENTIFIER { $$ = get_type(TYPE_INTERFACE, $2, 0); }
827 | tDISPINTERFACE aKNOWNTYPE { $$ = get_type(TYPE_INTERFACE, $2, 0); }
828 ;
829
830 dispinterfacehdr: attributes dispinterface { attr_t *attrs;
831 $$ = $2;
832 check_def($$);
833 attrs = make_attr(ATTR_DISPINTERFACE);
834 $$->attrs = append_attr( check_dispiface_attrs($2->name, $1), attrs );
835 $$->defined = TRUE;
836 }
837 ;
838
839 dispint_props: tPROPERTIES ':' { $$ = NULL; }
840 | dispint_props s_field ';' { $$ = append_var( $1, $2 ); }
841 ;
842
843 dispint_meths: tMETHODS ':' { $$ = NULL; }
844 | dispint_meths funcdef ';' { $$ = append_var( $1, $2 ); }
845 ;
846
847 dispinterfacedef: dispinterfacehdr '{'
848 dispint_props
849 dispint_meths
850 '}' { $$ = $1;
851 type_dispinterface_define($$, $3, $4);
852 }
853 | dispinterfacehdr
854 '{' interface ';' '}' { $$ = $1;
855 type_dispinterface_define_from_iface($$, $3);
856 }
857 ;
858
859 inherit: { $$ = NULL; }
860 | ':' aKNOWNTYPE { $$ = find_type_or_error2($2, 0); }
861 ;
862
863 interface: tINTERFACE aIDENTIFIER { $$ = get_type(TYPE_INTERFACE, $2, 0); }
864 | tINTERFACE aKNOWNTYPE { $$ = get_type(TYPE_INTERFACE, $2, 0); }
865 ;
866
867 interfacehdr: attributes interface { $$.interface = $2;
868 $$.old_pointer_default = pointer_default;
869 if (is_attr($1, ATTR_POINTERDEFAULT))
870 pointer_default = get_attrv($1, ATTR_POINTERDEFAULT);
871 check_def($2);
872 $2->attrs = check_iface_attrs($2->name, $1);
873 $2->defined = TRUE;
874 }
875 ;
876
877 interfacedef: interfacehdr inherit
878 '{' int_statements '}' semicolon_opt { $$ = $1.interface;
879 if($$ == $2)
880 error_loc("Interface can't inherit from itself\n");
881 type_interface_define($$, $2, $4);
882 pointer_default = $1.old_pointer_default;
883 }
884 /* MIDL is able to import the definition of a base class from inside the
885 * definition of a derived class, I'll try to support it with this rule */
886 | interfacehdr ':' aIDENTIFIER
887 '{' import int_statements '}'
888 semicolon_opt { $$ = $1.interface;
889 type_interface_define($$, find_type_or_error2($3, 0), $6);
890 pointer_default = $1.old_pointer_default;
891 }
892 | dispinterfacedef semicolon_opt { $$ = $1; }
893 ;
894
895 interfacedec:
896 interface ';' { $$ = $1; }
897 | dispinterface ';' { $$ = $1; }
898 ;
899
900 module: tMODULE aIDENTIFIER { $$ = type_new_module($2); }
901 | tMODULE aKNOWNTYPE { $$ = type_new_module($2); }
902 ;
903
904 modulehdr: attributes module { $$ = $2;
905 $$->attrs = check_module_attrs($2->name, $1);
906 }
907 ;
908
909 moduledef: modulehdr '{' int_statements '}'
910 semicolon_opt { $$ = $1;
911 type_module_define($$, $3);
912 }
913 ;
914
915 storage_cls_spec:
916 tEXTERN { $$ = STG_EXTERN; }
917 | tSTATIC { $$ = STG_STATIC; }
918 | tREGISTER { $$ = STG_REGISTER; }
919 ;
920
921 function_specifier:
922 tINLINE { $$ = make_attr(ATTR_INLINE); }
923 ;
924
925 type_qualifier:
926 tCONST { $$ = make_attr(ATTR_CONST); }
927 ;
928
929 m_type_qual_list: { $$ = NULL; }
930 | m_type_qual_list type_qualifier { $$ = append_attr($1, $2); }
931 ;
932
933 decl_spec: type m_decl_spec_no_type { $$ = make_decl_spec($1, $2, NULL, NULL, STG_NONE); }
934 | decl_spec_no_type type m_decl_spec_no_type
935 { $$ = make_decl_spec($2, $1, $3, NULL, STG_NONE); }
936 ;
937
938 m_decl_spec_no_type: { $$ = NULL; }
939 | decl_spec_no_type
940 ;
941
942 decl_spec_no_type:
943 type_qualifier m_decl_spec_no_type { $$ = make_decl_spec(NULL, $2, NULL, $1, STG_NONE); }
944 | function_specifier m_decl_spec_no_type { $$ = make_decl_spec(NULL, $2, NULL, $1, STG_NONE); }
945 | storage_cls_spec m_decl_spec_no_type { $$ = make_decl_spec(NULL, $2, NULL, NULL, $1); }
946 ;
947
948 declarator:
949 '*' m_type_qual_list declarator %prec PPTR
950 { $$ = $3; $$->type = append_ptrchain_type($$->type, type_new_pointer(pointer_default, NULL, $2)); }
951 | callconv declarator { $$ = $2; if ($$->func_type) $$->func_type->attrs = append_attr($$->func_type->attrs, make_attrp(ATTR_CALLCONV, $1));
952 else if ($$->type) $$->type->attrs = append_attr($$->type->attrs, make_attrp(ATTR_CALLCONV, $1)); }
953 | direct_declarator
954 ;
955
956 direct_declarator:
957 ident { $$ = make_declarator($1); }
958 | '(' declarator ')' { $$ = $2; }
959 | direct_declarator array { $$ = $1; $$->array = append_array($$->array, $2); }
960 | direct_declarator '(' m_args ')' { $$ = $1;
961 $$->func_type = append_ptrchain_type($$->type, type_new_function($3));
962 $$->type = NULL;
963 }
964 ;
965
966 /* abstract declarator */
967 abstract_declarator:
968 '*' m_type_qual_list m_abstract_declarator %prec PPTR
969 { $$ = $3; $$->type = append_ptrchain_type($$->type, type_new_pointer(pointer_default, NULL, $2)); }
970 | callconv m_abstract_declarator { $$ = $2; if ($$->func_type) $$->func_type->attrs = append_attr($$->func_type->attrs, make_attrp(ATTR_CALLCONV, $1));
971 else if ($$->type) $$->type->attrs = append_attr($$->type->attrs, make_attrp(ATTR_CALLCONV, $1)); }
972 | abstract_direct_declarator
973 ;
974
975 /* abstract declarator without accepting direct declarator */
976 abstract_declarator_no_direct:
977 '*' m_type_qual_list m_any_declarator %prec PPTR
978 { $$ = $3; $$->type = append_ptrchain_type($$->type, type_new_pointer(pointer_default, NULL, $2)); }
979 | callconv m_any_declarator { $$ = $2; if ($$->func_type) $$->func_type->attrs = append_attr($$->func_type->attrs, make_attrp(ATTR_CALLCONV, $1));
980 else if ($$->type) $$->type->attrs = append_attr($$->type->attrs, make_attrp(ATTR_CALLCONV, $1)); }
981 ;
982
983 /* abstract declarator or empty */
984 m_abstract_declarator: { $$ = make_declarator(NULL); }
985 | abstract_declarator
986 ;
987
988 /* abstract direct declarator */
989 abstract_direct_declarator:
990 '(' abstract_declarator_no_direct ')' { $$ = $2; }
991 | abstract_direct_declarator array { $$ = $1; $$->array = append_array($$->array, $2); }
992 | array { $$ = make_declarator(NULL); $$->array = append_array($$->array, $1); }
993 | '(' m_args ')'
994 { $$ = make_declarator(NULL);
995 $$->func_type = append_ptrchain_type($$->type, type_new_function($2));
996 $$->type = NULL;
997 }
998 | abstract_direct_declarator '(' m_args ')'
999 { $$ = $1;
1000 $$->func_type = append_ptrchain_type($$->type, type_new_function($3));
1001 $$->type = NULL;
1002 }
1003 ;
1004
1005 /* abstract or non-abstract declarator */
1006 any_declarator:
1007 '*' m_type_qual_list m_any_declarator %prec PPTR
1008 { $$ = $3; $$->type = append_ptrchain_type($$->type, type_new_pointer(pointer_default, NULL, $2)); }
1009 | callconv m_any_declarator { $$ = $2; $$->type->attrs = append_attr($$->type->attrs, make_attrp(ATTR_CALLCONV, $1)); }
1010 | any_direct_declarator
1011 ;
1012
1013 /* abstract or non-abstract declarator without accepting direct declarator */
1014 any_declarator_no_direct:
1015 '*' m_type_qual_list m_any_declarator %prec PPTR
1016 { $$ = $3; $$->type = append_ptrchain_type($$->type, type_new_pointer(pointer_default, NULL, $2)); }
1017 | callconv m_any_declarator { $$ = $2; $$->type->attrs = append_attr($$->type->attrs, make_attrp(ATTR_CALLCONV, $1)); }
1018 ;
1019
1020 /* abstract or non-abstract declarator or empty */
1021 m_any_declarator: { $$ = make_declarator(NULL); }
1022 | any_declarator
1023 ;
1024
1025 /* abstract or non-abstract direct declarator. note: direct declarators
1026 * aren't accepted inside brackets to avoid ambiguity with the rule for
1027 * function arguments */
1028 any_direct_declarator:
1029 ident { $$ = make_declarator($1); }
1030 | '(' any_declarator_no_direct ')' { $$ = $2; }
1031 | any_direct_declarator array { $$ = $1; $$->array = append_array($$->array, $2); }
1032 | array { $$ = make_declarator(NULL); $$->array = append_array($$->array, $1); }
1033 | '(' m_args ')'
1034 { $$ = make_declarator(NULL);
1035 $$->func_type = append_ptrchain_type($$->type, type_new_function($2));
1036 $$->type = NULL;
1037 }
1038 | any_direct_declarator '(' m_args ')'
1039 { $$ = $1;
1040 $$->func_type = append_ptrchain_type($$->type, type_new_function($3));
1041 $$->type = NULL;
1042 }
1043 ;
1044
1045 declarator_list:
1046 declarator { $$ = append_declarator( NULL, $1 ); }
1047 | declarator_list ',' declarator { $$ = append_declarator( $1, $3 ); }
1048 ;
1049
1050 m_bitfield: { $$ = NULL; }
1051 | ':' expr_const { $$ = $2; }
1052 ;
1053
1054 struct_declarator: any_declarator m_bitfield { $$ = $1; $$->bits = $2;
1055 if (!$$->bits && !$$->var->name)
1056 error_loc("unnamed fields are not allowed\n");
1057 }
1058 ;
1059
1060 struct_declarator_list:
1061 struct_declarator { $$ = append_declarator( NULL, $1 ); }
1062 | struct_declarator_list ',' struct_declarator
1063 { $$ = append_declarator( $1, $3 ); }
1064 ;
1065
1066 init_declarator:
1067 declarator { $$ = $1; }
1068 | declarator '=' expr_const { $$ = $1; $1->var->eval = $3; }
1069 ;
1070
1071 threading_type:
1072 tAPARTMENT { $$ = THREADING_APARTMENT; }
1073 | tNEUTRAL { $$ = THREADING_NEUTRAL; }
1074 | tSINGLE { $$ = THREADING_SINGLE; }
1075 | tFREE { $$ = THREADING_FREE; }
1076 | tBOTH { $$ = THREADING_BOTH; }
1077 ;
1078
1079 pointer_type:
1080 tREF { $$ = RPC_FC_RP; }
1081 | tUNIQUE { $$ = RPC_FC_UP; }
1082 | tPTR { $$ = RPC_FC_FP; }
1083 ;
1084
1085 structdef: tSTRUCT t_ident '{' fields '}' { $$ = type_new_struct($2, TRUE, $4); }
1086 ;
1087
1088 type: tVOID { $$ = type_new_void(); }
1089 | aKNOWNTYPE { $$ = find_type_or_error($1, 0); }
1090 | base_type { $$ = $1; }
1091 | enumdef { $$ = $1; }
1092 | tENUM aIDENTIFIER { $$ = type_new_enum($2, FALSE, NULL); }
1093 | structdef { $$ = $1; }
1094 | tSTRUCT aIDENTIFIER { $$ = type_new_struct($2, FALSE, NULL); }
1095 | uniondef { $$ = $1; }
1096 | tUNION aIDENTIFIER { $$ = type_new_nonencapsulated_union($2, FALSE, NULL); }
1097 | tSAFEARRAY '(' type ')' { $$ = make_safearray($3); }
1098 ;
1099
1100 typedef: m_attributes tTYPEDEF m_attributes decl_spec declarator_list
1101 { $1 = append_attribs($1, $3);
1102 reg_typedefs($4, $5, check_typedef_attrs($1));
1103 $$ = make_statement_typedef($5);
1104 }
1105 ;
1106
1107 uniondef: tUNION t_ident '{' ne_union_fields '}'
1108 { $$ = type_new_nonencapsulated_union($2, TRUE, $4); }
1109 | tUNION t_ident
1110 tSWITCH '(' s_field ')'
1111 m_ident '{' cases '}' { $$ = type_new_encapsulated_union($2, $5, $7, $9); }
1112 ;
1113
1114 version:
1115 aNUM { $$ = MAKEVERSION($1, 0); }
1116 | aNUM '.' aNUM { $$ = MAKEVERSION($1, $3); }
1117 | aHEXNUM { $$ = $1; }
1118 ;
1119
1120 %%
1121
1122 static void decl_builtin_basic(const char *name, enum type_basic_type type)
1123 {
1124 type_t *t = type_new_basic(type);
1125 reg_type(t, name, 0);
1126 }
1127
1128 static void decl_builtin_alias(const char *name, type_t *t)
1129 {
1130 reg_type(type_new_alias(t, name), name, 0);
1131 }
1132
1133 void init_types(void)
1134 {
1135 decl_builtin_basic("byte", TYPE_BASIC_BYTE);
1136 decl_builtin_basic("wchar_t", TYPE_BASIC_WCHAR);
1137 decl_builtin_basic("float", TYPE_BASIC_FLOAT);
1138 decl_builtin_basic("double", TYPE_BASIC_DOUBLE);
1139 decl_builtin_basic("error_status_t", TYPE_BASIC_ERROR_STATUS_T);
1140 decl_builtin_basic("handle_t", TYPE_BASIC_HANDLE);
1141 decl_builtin_alias("boolean", type_new_basic(TYPE_BASIC_BYTE));
1142 }
1143
1144 static str_list_t *append_str(str_list_t *list, char *str)
1145 {
1146 struct str_list_entry_t *entry;
1147
1148 if (!str) return list;
1149 if (!list)
1150 {
1151 list = xmalloc( sizeof(*list) );
1152 list_init( list );
1153 }
1154 entry = xmalloc( sizeof(*entry) );
1155 entry->str = str;
1156 list_add_tail( list, &entry->entry );
1157 return list;
1158 }
1159
1160 static attr_list_t *append_attr(attr_list_t *list, attr_t *attr)
1161 {
1162 attr_t *attr_existing;
1163 if (!attr) return list;
1164 if (!list)
1165 {
1166 list = xmalloc( sizeof(*list) );
1167 list_init( list );
1168 }
1169 LIST_FOR_EACH_ENTRY(attr_existing, list, attr_t, entry)
1170 if (attr_existing->type == attr->type)
1171 {
1172 parser_warning("duplicate attribute %s\n", get_attr_display_name(attr->type));
1173 /* use the last attribute, like MIDL does */
1174 list_remove(&attr_existing->entry);
1175 break;
1176 }
1177 list_add_tail( list, &attr->entry );
1178 return list;
1179 }
1180
1181 static attr_list_t *move_attr(attr_list_t *dst, attr_list_t *src, enum attr_type type)
1182 {
1183 attr_t *attr;
1184 if (!src) return dst;
1185 LIST_FOR_EACH_ENTRY(attr, src, attr_t, entry)
1186 if (attr->type == type)
1187 {
1188 list_remove(&attr->entry);
1189 return append_attr(dst, attr);
1190 }
1191 return dst;
1192 }
1193
1194 static attr_list_t *append_attr_list(attr_list_t *new_list, attr_list_t *old_list)
1195 {
1196 struct list *entry;
1197
1198 if (!old_list) return new_list;
1199
1200 while ((entry = list_head(old_list)))
1201 {
1202 attr_t *attr = LIST_ENTRY(entry, attr_t, entry);
1203 list_remove(entry);
1204 new_list = append_attr(new_list, attr);
1205 }
1206 return new_list;
1207 }
1208
1209 static attr_list_t *dupattrs(const attr_list_t *list)
1210 {
1211 attr_list_t *new_list;
1212 const attr_t *attr;
1213
1214 if (!list) return NULL;
1215
1216 new_list = xmalloc( sizeof(*list) );
1217 list_init( new_list );
1218 LIST_FOR_EACH_ENTRY(attr, list, const attr_t, entry)
1219 {
1220 attr_t *new_attr = xmalloc(sizeof(*new_attr));
1221 *new_attr = *attr;
1222 list_add_tail(new_list, &new_attr->entry);
1223 }
1224 return new_list;
1225 }
1226
1227 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)
1228 {
1229 decl_spec_t *declspec = left ? left : right;
1230 if (!declspec)
1231 {
1232 declspec = xmalloc(sizeof(*declspec));
1233 declspec->type = NULL;
1234 declspec->attrs = NULL;
1235 declspec->stgclass = STG_NONE;
1236 }
1237 declspec->type = type;
1238 if (left && declspec != left)
1239 {
1240 declspec->attrs = append_attr_list(declspec->attrs, left->attrs);
1241 if (declspec->stgclass == STG_NONE)
1242 declspec->stgclass = left->stgclass;
1243 else if (left->stgclass != STG_NONE)
1244 error_loc("only one storage class can be specified\n");
1245 assert(!left->type);
1246 free(left);
1247 }
1248 if (right && declspec != right)
1249 {
1250 declspec->attrs = append_attr_list(declspec->attrs, right->attrs);
1251 if (declspec->stgclass == STG_NONE)
1252 declspec->stgclass = right->stgclass;
1253 else if (right->stgclass != STG_NONE)
1254 error_loc("only one storage class can be specified\n");
1255 assert(!right->type);
1256 free(right);
1257 }
1258
1259 declspec->attrs = append_attr(declspec->attrs, attr);
1260 if (declspec->stgclass == STG_NONE)
1261 declspec->stgclass = stgclass;
1262 else if (stgclass != STG_NONE)
1263 error_loc("only one storage class can be specified\n");
1264
1265 /* apply attributes to type */
1266 if (type && declspec->attrs)
1267 {
1268 attr_list_t *attrs;
1269 declspec->type = duptype(type, 1);
1270 attrs = dupattrs(type->attrs);
1271 declspec->type->attrs = append_attr_list(attrs, declspec->attrs);
1272 declspec->attrs = NULL;
1273 }
1274
1275 return declspec;
1276 }
1277
1278 static attr_t *make_attr(enum attr_type type)
1279 {
1280 attr_t *a = xmalloc(sizeof(attr_t));
1281 a->type = type;
1282 a->u.ival = 0;
1283 return a;
1284 }
1285
1286 static attr_t *make_attrv(enum attr_type type, unsigned int val)
1287 {
1288 attr_t *a = xmalloc(sizeof(attr_t));
1289 a->type = type;
1290 a->u.ival = val;
1291 return a;
1292 }
1293
1294 static attr_t *make_attrp(enum attr_type type, void *val)
1295 {
1296 attr_t *a = xmalloc(sizeof(attr_t));
1297 a->type = type;
1298 a->u.pval = val;
1299 return a;
1300 }
1301
1302 static expr_list_t *append_expr(expr_list_t *list, expr_t *expr)
1303 {
1304 if (!expr) return list;
1305 if (!list)
1306 {
1307 list = xmalloc( sizeof(*list) );
1308 list_init( list );
1309 }
1310 list_add_tail( list, &expr->entry );
1311 return list;
1312 }
1313
1314 static array_dims_t *append_array(array_dims_t *list, expr_t *expr)
1315 {
1316 if (!expr) return list;
1317 if (!list)
1318 {
1319 list = xmalloc( sizeof(*list) );
1320 list_init( list );
1321 }
1322 list_add_tail( list, &expr->entry );
1323 return list;
1324 }
1325
1326 static struct list type_pool = LIST_INIT(type_pool);
1327 typedef struct
1328 {
1329 type_t data;
1330 struct list link;
1331 } type_pool_node_t;
1332
1333 type_t *alloc_type(void)
1334 {
1335 type_pool_node_t *node = xmalloc(sizeof *node);
1336 list_add_tail(&type_pool, &node->link);
1337 return &node->data;
1338 }
1339
1340 void set_all_tfswrite(int val)
1341 {
1342 type_pool_node_t *node;
1343 LIST_FOR_EACH_ENTRY(node, &type_pool, type_pool_node_t, link)
1344 node->data.tfswrite = val;
1345 }
1346
1347 void clear_all_offsets(void)
1348 {
1349 type_pool_node_t *node;
1350 LIST_FOR_EACH_ENTRY(node, &type_pool, type_pool_node_t, link)
1351 node->data.typestring_offset = node->data.ptrdesc = 0;
1352 }
1353
1354 static void type_function_add_head_arg(type_t *type, var_t *arg)
1355 {
1356 if (!type->details.function->args)
1357 {
1358 type->details.function->args = xmalloc( sizeof(*type->details.function->args) );
1359 list_init( type->details.function->args );
1360 }
1361 list_add_head( type->details.function->args, &arg->entry );
1362 }
1363
1364 static int is_allowed_range_type(const type_t *type)
1365 {
1366 switch (type_get_type(type))
1367 {
1368 case TYPE_ENUM:
1369 return TRUE;
1370 case TYPE_BASIC:
1371 switch (type_basic_get_type(type))
1372 {
1373 case TYPE_BASIC_INT8:
1374 case TYPE_BASIC_INT16:
1375 case TYPE_BASIC_INT32:
1376 case TYPE_BASIC_INT64:
1377 case TYPE_BASIC_INT:
1378 case TYPE_BASIC_INT3264:
1379 case TYPE_BASIC_BYTE:
1380 case TYPE_BASIC_CHAR:
1381 case TYPE_BASIC_WCHAR:
1382 case TYPE_BASIC_HYPER:
1383 return TRUE;
1384 case TYPE_BASIC_FLOAT:
1385 case TYPE_BASIC_DOUBLE:
1386 case TYPE_BASIC_ERROR_STATUS_T:
1387 case TYPE_BASIC_HANDLE:
1388 return FALSE;
1389 }
1390 return FALSE;
1391 default:
1392 return FALSE;
1393 }
1394 }
1395
1396 static type_t *append_ptrchain_type(type_t *ptrchain, type_t *type)
1397 {
1398 type_t *ptrchain_type;
1399 if (!ptrchain)
1400 return type;
1401 for (ptrchain_type = ptrchain; type_pointer_get_ref(ptrchain_type); ptrchain_type = type_pointer_get_ref(ptrchain_type))
1402 ;
1403 assert(ptrchain_type->type_type == TYPE_POINTER);
1404 ptrchain_type->details.pointer.ref = type;
1405 return ptrchain;
1406 }
1407
1408 static var_t *declare_var(attr_list_t *attrs, decl_spec_t *decl_spec, const declarator_t *decl,
1409 int top)
1410 {
1411 var_t *v = decl->var;
1412 expr_list_t *sizes = get_attrp(attrs, ATTR_SIZEIS);
1413 expr_list_t *lengs = get_attrp(attrs, ATTR_LENGTHIS);
1414 int sizeless;
1415 expr_t *dim;
1416 type_t **ptype;
1417 array_dims_t *arr = decl ? decl->array : NULL;
1418 type_t *func_type = decl ? decl->func_type : NULL;
1419 type_t *type = decl_spec->type;
1420
1421 if (is_attr(type->attrs, ATTR_INLINE))
1422 {
1423 if (!func_type)
1424 error_loc("inline attribute applied to non-function type\n");
1425 else
1426 {
1427 type_t *t;
1428 /* move inline attribute from return type node to function node */
1429 for (t = func_type; is_ptr(t); t = type_pointer_get_ref(t))
1430 ;
1431 t->attrs = move_attr(t->attrs, type->attrs, ATTR_INLINE);
1432 }
1433 }
1434
1435 /* add type onto the end of the pointers in pident->type */
1436 v->type = append_ptrchain_type(decl ? decl->type : NULL, type);
1437 v->stgclass = decl_spec->stgclass;
1438 v->attrs = attrs;
1439
1440 /* check for pointer attribute being applied to non-pointer, non-array
1441 * type */
1442 if (!arr)
1443 {
1444 int ptr_attr = get_attrv(v->attrs, ATTR_POINTERTYPE);
1445 const type_t *ptr = NULL;
1446 /* pointer attributes on the left side of the type belong to the function
1447 * pointer, if one is being declared */
1448 type_t **pt = func_type ? &func_type : &v->type;
1449 for (ptr = *pt; ptr && !ptr_attr; )
1450 {
1451 ptr_attr = get_attrv(ptr->attrs, ATTR_POINTERTYPE);
1452 if (!ptr_attr && type_is_alias(ptr))
1453 ptr = type_alias_get_aliasee(ptr);
1454 else
1455 break;
1456 }
1457 if (is_ptr(ptr))
1458 {
1459 if (ptr_attr && ptr_attr != RPC_FC_UP &&
1460 type_get_type(type_pointer_get_ref(ptr)) == TYPE_INTERFACE)
1461 warning_loc_info(&v->loc_info,
1462 "%s: pointer attribute applied to interface "
1463 "pointer type has no effect\n", v->name);
1464 if (!ptr_attr && top && (*pt)->details.pointer.def_fc != RPC_FC_RP)
1465 {
1466 /* FIXME: this is a horrible hack to cope with the issue that we
1467 * store an offset to the typeformat string in the type object, but
1468 * two typeformat strings may be written depending on whether the
1469 * pointer is a toplevel parameter or not */
1470 *pt = duptype(*pt, 1);
1471 }
1472 }
1473 else if (ptr_attr)
1474 error_loc("%s: pointer attribute applied to non-pointer type\n", v->name);
1475 }
1476
1477 if (is_attr(v->attrs, ATTR_STRING))
1478 {
1479 type_t *t = type;
1480
1481 if (!is_ptr(v->type) && !arr)
1482 error_loc("'%s': [string] attribute applied to non-pointer, non-array type\n",
1483 v->name);
1484
1485 while (is_ptr(t))
1486 t = type_pointer_get_ref(t);
1487
1488 if (type_get_type(t) != TYPE_BASIC &&
1489 (get_basic_fc(t) != RPC_FC_CHAR &&
1490 get_basic_fc(t) != RPC_FC_BYTE &&
1491 get_basic_fc(t) != RPC_FC_WCHAR))
1492 {
1493 error_loc("'%s': [string] attribute is only valid on 'char', 'byte', or 'wchar_t' pointers and arrays\n",
1494 v->name);
1495 }
1496 }
1497
1498 if (is_attr(v->attrs, ATTR_V1ENUM))
1499 {
1500 if (type_get_type_detect_alias(v->type) != TYPE_ENUM)
1501 error_loc("'%s': [v1_enum] attribute applied to non-enum type\n", v->name);
1502 }
1503
1504 if (is_attr(v->attrs, ATTR_RANGE) && !is_allowed_range_type(v->type))
1505 error_loc("'%s': [range] attribute applied to non-integer type\n",
1506 v->name);
1507
1508 ptype = &v->type;
1509 sizeless = FALSE;
1510 if (arr) LIST_FOR_EACH_ENTRY_REV(dim, arr, expr_t, entry)
1511 {
1512 if (sizeless)
1513 error_loc("%s: only the first array dimension can be unspecified\n", v->name);
1514
1515 if (dim->is_const)
1516 {
1517 if (dim->cval <= 0)
1518 error_loc("%s: array dimension must be positive\n", v->name);
1519
1520 /* FIXME: should use a type_memsize that allows us to pass in a pointer size */
1521 if (0)
1522 {
1523 unsigned int size = type_memsize(v->type);
1524
1525 if (0xffffffffu / size < dim->cval)
1526 error_loc("%s: total array size is too large\n", v->name);
1527 }
1528 }
1529 else
1530 sizeless = TRUE;
1531
1532 *ptype = type_new_array(NULL, *ptype, FALSE,
1533 dim->is_const ? dim->cval : 0,
1534 dim->is_const ? NULL : dim, NULL,
1535 pointer_default);
1536 }
1537
1538 ptype = &v->type;
1539 if (sizes) LIST_FOR_EACH_ENTRY(dim, sizes, expr_t, entry)
1540 {
1541 if (dim->type != EXPR_VOID)
1542 {
1543 if (is_array(*ptype))
1544 {
1545 if (!type_array_get_conformance(*ptype) ||
1546 type_array_get_conformance(*ptype)->type != EXPR_VOID)
1547 error_loc("%s: cannot specify size_is for an already sized array\n", v->name);
1548 else
1549 *ptype = type_new_array((*ptype)->name,
1550 type_array_get_element(*ptype), FALSE,
1551 0, dim, NULL, 0);
1552 }
1553 else if (is_ptr(*ptype))
1554 *ptype = type_new_array((*ptype)->name, type_pointer_get_ref(*ptype), TRUE,
1555 0, dim, NULL, pointer_default);
1556 else
1557 error_loc("%s: size_is attribute applied to illegal type\n", v->name);
1558 }
1559
1560 if (is_ptr(*ptype))
1561 ptype = &(*ptype)->details.pointer.ref;
1562 else if (is_array(*ptype))
1563 ptype = &(*ptype)->details.array.elem;
1564 else
1565 error_loc("%s: too many expressions in size_is attribute\n", v->name);
1566 }
1567
1568 ptype = &v->type;
1569 if (lengs) LIST_FOR_EACH_ENTRY(dim, lengs, expr_t, entry)
1570 {
1571 if (dim->type != EXPR_VOID)
1572 {
1573 if (is_array(*ptype))
1574 {
1575 *ptype = type_new_array((*ptype)->name,
1576 type_array_get_element(*ptype),
1577 type_array_is_decl_as_ptr(*ptype),
1578 type_array_get_dim(*ptype),
1579 type_array_get_conformance(*ptype),
1580 dim, type_array_get_ptr_default_fc(*ptype));
1581 }
1582 else
1583 error_loc("%s: length_is attribute applied to illegal type\n", v->name);
1584 }
1585
1586 if (is_ptr(*ptype))
1587 ptype = &(*ptype)->details.pointer.ref;
1588 else if (is_array(*ptype))
1589 ptype = &(*ptype)->details.array.elem;
1590 else
1591 error_loc("%s: too many expressions in length_is attribute\n", v->name);
1592 }
1593
1594 /* v->type is currently pointing to the type on the left-side of the
1595 * declaration, so we need to fix this up so that it is the return type of the
1596 * function and make v->type point to the function side of the declaration */
1597 if (func_type)
1598 {
1599 type_t *ft, *t;
1600 type_t *return_type = v->type;
1601 v->type = func_type;
1602 for (ft = v->type; is_ptr(ft); ft = type_pointer_get_ref(ft))
1603 ;
1604 assert(type_get_type_detect_alias(ft) == TYPE_FUNCTION);
1605 ft->details.function->retval = make_var(xstrdup("_RetVal"));
1606 ft->details.function->retval->type = return_type;
1607 /* move calling convention attribute, if present, from pointer nodes to
1608 * function node */
1609 for (t = v->type; is_ptr(t); t = type_pointer_get_ref(t))
1610 ft->attrs = move_attr(ft->attrs, t->attrs, ATTR_CALLCONV);
1611 }
1612 else
1613 {
1614 type_t *t;
1615 for (t = v->type; is_ptr(t); t = type_pointer_get_ref(t))
1616 if (is_attr(t->attrs, ATTR_CALLCONV))
1617 error_loc("calling convention applied to non-function-pointer type\n");
1618 }
1619
1620 if (decl->bits)
1621 v->type = type_new_bitfield(v->type, decl->bits);
1622
1623 return v;
1624 }
1625
1626 static var_list_t *set_var_types(attr_list_t *attrs, decl_spec_t *decl_spec, declarator_list_t *decls)
1627 {
1628 declarator_t *decl, *next;
1629 var_list_t *var_list = NULL;
1630
1631 LIST_FOR_EACH_ENTRY_SAFE( decl, next, decls, declarator_t, entry )
1632 {
1633 var_t *var = declare_var(attrs, decl_spec, decl, 0);
1634 var_list = append_var(var_list, var);
1635 free(decl);
1636 }
1637 free(decl_spec);
1638 return var_list;
1639 }
1640
1641 static ifref_list_t *append_ifref(ifref_list_t *list, ifref_t *iface)
1642 {
1643 if (!iface) return list;
1644 if (!list)
1645 {
1646 list = xmalloc( sizeof(*list) );
1647 list_init( list );
1648 }
1649 list_add_tail( list, &iface->entry );
1650 return list;
1651 }
1652
1653 static ifref_t *make_ifref(type_t *iface)
1654 {
1655 ifref_t *l = xmalloc(sizeof(ifref_t));
1656 l->iface = iface;
1657 l->attrs = NULL;
1658 return l;
1659 }
1660
1661 var_list_t *append_var(var_list_t *list, var_t *var)
1662 {
1663 if (!var) return list;
1664 if (!list)
1665 {
1666 list = xmalloc( sizeof(*list) );
1667 list_init( list );
1668 }
1669 list_add_tail( list, &var->entry );
1670 return list;
1671 }
1672
1673 static var_list_t *append_var_list(var_list_t *list, var_list_t *vars)
1674 {
1675 if (!vars) return list;
1676 if (!list)
1677 {
1678 list = xmalloc( sizeof(*list) );
1679 list_init( list );
1680 }
1681 list_move_tail( list, vars );
1682 return list;
1683 }
1684
1685 var_t *make_var(char *name)
1686 {
1687 var_t *v = xmalloc(sizeof(var_t));
1688 v->name = name;
1689 v->type = NULL;
1690 v->attrs = NULL;
1691 v->eval = NULL;
1692 v->stgclass = STG_NONE;
1693 init_loc_info(&v->loc_info);
1694 return v;
1695 }
1696
1697 static declarator_list_t *append_declarator(declarator_list_t *list, declarator_t *d)
1698 {
1699 if (!d) return list;
1700 if (!list) {
1701 list = xmalloc(sizeof(*list));
1702 list_init(list);
1703 }
1704 list_add_tail(list, &d->entry);
1705 return list;
1706 }
1707
1708 static declarator_t *make_declarator(var_t *var)
1709 {
1710 declarator_t *d = xmalloc(sizeof(*d));
1711 d->var = var ? var : make_var(NULL);
1712 d->type = NULL;
1713 d->func_type = NULL;
1714 d->array = NULL;
1715 d->bits = NULL;
1716 return d;
1717 }
1718
1719 static type_t *make_safearray(type_t *type)
1720 {
1721 return type_new_array(NULL, type_new_alias(type, "SAFEARRAY"), TRUE, 0,
1722 NULL, NULL, RPC_FC_RP);
1723 }
1724
1725 static typelib_t *make_library(const char *name, const attr_list_t *attrs)
1726 {
1727 typelib_t *typelib = xmalloc(sizeof(*typelib));
1728 typelib->name = xstrdup(name);
1729 typelib->attrs = attrs;
1730 list_init( &typelib->importlibs );
1731 return typelib;
1732 }
1733
1734 #define HASHMAX 64
1735
1736 static int hash_ident(const char *name)
1737 {
1738 const char *p = name;
1739 int sum = 0;
1740 /* a simple sum hash is probably good enough */
1741 while (*p) {
1742 sum += *p;
1743 p++;
1744 }
1745 return sum & (HASHMAX-1);
1746 }
1747
1748 /***** type repository *****/
1749
1750 struct rtype {
1751 const char *name;
1752 type_t *type;
1753 int t;
1754 struct rtype *next;
1755 };
1756
1757 struct rtype *type_hash[HASHMAX];
1758
1759 type_t *reg_type(type_t *type, const char *name, int t)
1760 {
1761 struct rtype *nt;
1762 int hash;
1763 if (!name) {
1764 error_loc("registering named type without name\n");
1765 return type;
1766 }
1767 hash = hash_ident(name);
1768 nt = xmalloc(sizeof(struct rtype));
1769 nt->name = name;
1770 nt->type = type;
1771 nt->t = t;
1772 nt->next = type_hash[hash];
1773 type_hash[hash] = nt;
1774 if ((t == tsSTRUCT || t == tsUNION))
1775 fix_incomplete_types(type);
1776 return type;
1777 }
1778
1779 static int is_incomplete(const type_t *t)
1780 {
1781 return !t->defined &&
1782 (type_get_type_detect_alias(t) == TYPE_STRUCT ||
1783 type_get_type_detect_alias(t) == TYPE_UNION ||
1784 type_get_type_detect_alias(t) == TYPE_ENCAPSULATED_UNION);
1785 }
1786
1787 void add_incomplete(type_t *t)
1788 {
1789 struct typenode *tn = xmalloc(sizeof *tn);
1790 tn->type = t;
1791 list_add_tail(&incomplete_types, &tn->entry);
1792 }
1793
1794 static void fix_type(type_t *t)
1795 {
1796 if (type_is_alias(t) && is_incomplete(t)) {
1797 type_t *ot = type_alias_get_aliasee(t);
1798 fix_type(ot);
1799 if (type_get_type_detect_alias(ot) == TYPE_STRUCT ||
1800 type_get_type_detect_alias(ot) == TYPE_UNION ||
1801 type_get_type_detect_alias(ot) == TYPE_ENCAPSULATED_UNION)
1802 t->details.structure = ot->details.structure;
1803 t->defined = ot->defined;
1804 }
1805 }
1806
1807 static void fix_incomplete(void)
1808 {
1809 struct typenode *tn, *next;
1810
1811 LIST_FOR_EACH_ENTRY_SAFE(tn, next, &incomplete_types, struct typenode, entry) {
1812 fix_type(tn->type);
1813 list_remove(&tn->entry);
1814 free(tn);
1815 }
1816 }
1817
1818 static void fix_incomplete_types(type_t *complete_type)
1819 {
1820 struct typenode *tn, *next;
1821
1822 LIST_FOR_EACH_ENTRY_SAFE(tn, next, &incomplete_types, struct typenode, entry)
1823 {
1824 if (type_is_equal(complete_type, tn->type))
1825 {
1826 tn->type->details.structure = complete_type->details.structure;
1827 list_remove(&tn->entry);
1828 free(tn);
1829 }
1830 }
1831 }
1832
1833 static type_t *reg_typedefs(decl_spec_t *decl_spec, declarator_list_t *decls, attr_list_t *attrs)
1834 {
1835 const declarator_t *decl;
1836 type_t *type = decl_spec->type;
1837
1838 /* We must generate names for tagless enum, struct or union.
1839 Typedef-ing a tagless enum, struct or union means we want the typedef
1840 to be included in a library hence the public attribute. */
1841 if ((type_get_type_detect_alias(type) == TYPE_ENUM ||
1842 type_get_type_detect_alias(type) == TYPE_STRUCT ||
1843 type_get_type_detect_alias(type) == TYPE_UNION ||
1844 type_get_type_detect_alias(type) == TYPE_ENCAPSULATED_UNION) &&
1845 !type->name)
1846 {
1847 if (! is_attr(attrs, ATTR_PUBLIC) && ! is_attr (attrs, ATTR_HIDDEN))
1848 attrs = append_attr( attrs, make_attr(ATTR_PUBLIC) );
1849 type->name = gen_name();
1850 }
1851 else if (is_attr(attrs, ATTR_UUID) && !is_attr(attrs, ATTR_PUBLIC)
1852 && !is_attr(attrs, ATTR_HIDDEN))
1853 attrs = append_attr( attrs, make_attr(ATTR_PUBLIC) );
1854
1855 LIST_FOR_EACH_ENTRY( decl, decls, const declarator_t, entry )
1856 {
1857
1858 if (decl->var->name) {
1859 type_t *cur;
1860 var_t *name;
1861
1862 cur = find_type(decl->var->name, 0);
1863
1864 /*
1865 * MIDL allows shadowing types that are declared in imported files.
1866 * We don't throw an error in this case and instead add a new type
1867 * (which is earlier on the list in hash table, so it will be used
1868 * instead of shadowed type).
1869 *
1870 * FIXME: We may consider string separated type tables for each input
1871 * for cleaner solution.
1872 */
1873 if (cur && input_name == cur->loc_info.input_name)
1874 error_loc("%s: redefinition error; original definition was at %s:%d\n",
1875 cur->name, cur->loc_info.input_name,
1876 cur->loc_info.line_number);
1877
1878 name = declare_var(attrs, decl_spec, decl, 0);
1879 cur = type_new_alias(name->type, name->name);
1880 cur->attrs = attrs;
1881
1882 if (is_incomplete(cur))
1883 add_incomplete(cur);
1884 reg_type(cur, cur->name, 0);
1885 }
1886 }
1887 return type;
1888 }
1889
1890 type_t *find_type(const char *name, int t)
1891 {
1892 struct rtype *cur = type_hash[hash_ident(name)];
1893 while (cur && (cur->t != t || strcmp(cur->name, name)))
1894 cur = cur->next;
1895 return cur ? cur->type : NULL;
1896 }
1897
1898 static type_t *find_type_or_error(const char *name, int t)
1899 {
1900 type_t *type = find_type(name, t);
1901 if (!type) {
1902 error_loc("type '%s' not found\n", name);
1903 return NULL;
1904 }
1905 return type;
1906 }
1907
1908 static type_t *find_type_or_error2(char *name, int t)
1909 {
1910 type_t *tp = find_type_or_error(name, t);
1911 free(name);
1912 return tp;
1913 }
1914
1915 int is_type(const char *name)
1916 {
1917 return find_type(name, 0) != NULL;
1918 }
1919
1920 type_t *get_type(enum type_type type, char *name, int t)
1921 {
1922 type_t *tp;
1923 if (name) {
1924 tp = find_type(name, t);
1925 if (tp) {
1926 free(name);
1927 return tp;
1928 }
1929 }
1930 tp = make_type(type);
1931 tp->name = name;
1932 if (!name) return tp;
1933 return reg_type(tp, name, t);
1934 }
1935
1936 /***** constant repository *****/
1937
1938 struct rconst {
1939 char *name;
1940 var_t *var;
1941 struct rconst *next;
1942 };
1943
1944 struct rconst *const_hash[HASHMAX];
1945
1946 static var_t *reg_const(var_t *var)
1947 {
1948 struct rconst *nc;
1949 int hash;
1950 if (!var->name) {
1951 error_loc("registering constant without name\n");
1952 return var;
1953 }
1954 hash = hash_ident(var->name);
1955 nc = xmalloc(sizeof(struct rconst));
1956 nc->name = var->name;
1957 nc->var = var;
1958 nc->next = const_hash[hash];
1959 const_hash[hash] = nc;
1960 return var;
1961 }
1962
1963 var_t *find_const(const char *name, int f)
1964 {
1965 struct rconst *cur = const_hash[hash_ident(name)];
1966 while (cur && strcmp(cur->name, name))
1967 cur = cur->next;
1968 if (!cur) {
1969 if (f) error_loc("constant '%s' not found\n", name);
1970 return NULL;
1971 }
1972 return cur->var;
1973 }
1974
1975 static char *gen_name(void)
1976 {
1977 static const char format[] = "__WIDL_%s_generated_name_%08lX";
1978 static unsigned long n = 0;
1979 static const char *file_id;
1980 static size_t size;
1981 char *name;
1982
1983 if (! file_id)
1984 {
1985 char *dst = dup_basename(input_idl_name, ".idl");
1986 file_id = dst;
1987
1988 for (; *dst; ++dst)
1989 if (! isalnum((unsigned char) *dst))
1990 *dst = '_';
1991
1992 size = sizeof format - 7 + strlen(file_id) + 8;
1993 }
1994
1995 name = xmalloc(size);
1996 sprintf(name, format, file_id, n++);
1997 return name;
1998 }
1999
2000 struct allowed_attr
2001 {
2002 unsigned int dce_compatible : 1;
2003 unsigned int acf : 1;
2004 unsigned int on_interface : 1;
2005 unsigned int on_function : 1;
2006 unsigned int on_arg : 1;
2007 unsigned int on_type : 1;
2008 unsigned int on_enum : 1;
2009 unsigned int on_struct : 1;
2010 unsigned int on_union : 1;
2011 unsigned int on_field : 1;
2012 unsigned int on_library : 1;
2013 unsigned int on_dispinterface : 1;
2014 unsigned int on_module : 1;
2015 unsigned int on_coclass : 1;
2016 const char *display_name;
2017 };
2018
2019 struct allowed_attr allowed_attr[] =
2020 {
2021 /* attr { D ACF I Fn ARG T En St Un Fi L DI M C <display name> } */
2022 /* ATTR_AGGREGATABLE */ { 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 1, "aggregatable" },
2023 /* ATTR_ANNOTATION */ { 0, 0, 0, 0, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, "annotation" },
2024 /* ATTR_APPOBJECT */ { 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 1, "appobject" },
2025 /* ATTR_ASYNC */ { 0, 1, 0, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, "async" },
2026 /* ATTR_ASYNCUUID */ { 1, 0, 1, 0, 0, 1, 1, 0, 0, 0, 1, 1, 1, 1, "async_uuid" },
2027 /* ATTR_AUTO_HANDLE */ { 1, 1, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, "auto_handle" },
2028 /* ATTR_BINDABLE */ { 0, 0, 0, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, "bindable" },
2029 /* ATTR_BROADCAST */ { 1, 0, 0, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, "broadcast" },
2030 /* ATTR_CALLAS */ { 0, 0, 0, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, "call_as" },
2031 /* ATTR_CALLCONV */ { 0, 0, 0, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, NULL },
2032 /* ATTR_CASE */ { 1, 0, 0, 0, 0, 0, 0, 0, 0, 1, 0, 0, 0, 0, "case" },
2033 /* ATTR_CODE */ { 0, 1, 1, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, "code" },
2034 /* ATTR_COMMSTATUS */ { 0, 0, 0, 1, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, "comm_status" },
2035 /* ATTR_CONST */ { 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, "const" },
2036 /* ATTR_CONTEXTHANDLE */ { 1, 0, 0, 0, 0, 1, 0, 0, 0, 0, 0, 0, 0, 0, "context_handle" },
2037 /* ATTR_CONTROL */ { 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 1, 0, 0, 1, "control" },
2038 /* ATTR_DECODE */ { 0, 0, 1, 1, 0, 1, 0, 0, 0, 0, 0, 0, 0, 0, "decode" },
2039 /* ATTR_DEFAULT */ { 0, 0, 1, 0, 0, 0, 0, 0, 0, 1, 0, 1, 0, 0, "default" },
2040 /* ATTR_DEFAULTBIND */ { 0, 0, 0, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, "defaultbind" },
2041 /* ATTR_DEFAULTCOLLELEM */ { 0, 0, 0, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, "defaultcollelem" },
2042 /* ATTR_DEFAULTVALUE */ { 0, 0, 0, 0, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, "defaultvalue" },
2043 /* ATTR_DEFAULTVTABLE */ { 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 1, "defaultvtable" },
2044 /* ATTR_DISABLECONSISTENCYCHECK */{ 0, 0, 0, 0, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, "disable_consistency_check" },
2045 /* ATTR_DISPINTERFACE */ { 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, NULL },
2046 /* ATTR_DISPLAYBIND */ { 0, 0, 0, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, "displaybind" },
2047 /* ATTR_DLLNAME */ { 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 1, 0, "dllname" },
2048 /* ATTR_DUAL */ { 0, 0, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, "dual" },
2049 /* ATTR_ENABLEALLOCATE */ { 0, 0, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, "enable_allocate" },
2050 /* ATTR_ENCODE */ { 0, 0, 1, 1, 0, 1, 0, 0, 0, 0, 0, 0, 0, 0, "encode" },
2051 /* ATTR_ENDPOINT */ { 1, 0, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, "endpoint" },
2052 /* ATTR_ENTRY */ { 0, 0, 0, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, "entry" },
2053 /* ATTR_EXPLICIT_HANDLE */ { 1, 1, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, "explicit_handle" },
2054 /* ATTR_FAULTSTATUS */ { 0, 0, 0, 1, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, "fault_status" },
2055 /* ATTR_FORCEALLOCATE */ { 0, 0, 0, 0, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, "force_allocate" },
2056 /* ATTR_HANDLE */ { 1, 0, 0, 0, 0, 1, 0, 0, 0, 0, 0, 0, 0, 0, "handle" },
2057 /* ATTR_HELPCONTEXT */ { 0, 0, 1, 1, 0, 1, 1, 0, 0, 0, 1, 1, 1, 1, "helpcontext" },
2058 /* ATTR_HELPFILE */ { 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 1, 0, 0, 0, "helpfile" },
2059 /* ATTR_HELPSTRING */ { 0, 0, 1, 1, 0, 1, 1, 0, 0, 0, 1, 1, 1, 1, "helpstring" },
2060 /* ATTR_HELPSTRINGCONTEXT */ { 0, 0, 1, 1, 0, 1, 1, 0, 0, 0, 1, 1, 1, 1, "helpstringcontext" },
2061 /* ATTR_HELPSTRINGDLL */ { 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 1, 0, 0, 0, "helpstringdll" },
2062 /* ATTR_HIDDEN */ { 0, 0, 1, 1, 0, 1, 0, 0, 0, 0, 1, 1, 0, 1, "hidden" },
2063 /* ATTR_ID */ { 0, 0, 0, 1, 0, 0, 0, 0, 0, 1, 1, 0, 0, 0, "id" },
2064 /* ATTR_IDEMPOTENT */ { 1, 0, 0, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, "idempotent" },
2065 /* ATTR_IGNORE */ { 0, 0, 0, 0, 0, 0, 0, 0, 0, 1, 0, 0, 0, 0, "ignore" },
2066 /* ATTR_IIDIS */ { 0, 0, 0, 0, 1, 0, 0, 0, 0, 1, 0, 0, 0, 0, "iid_is" },
2067 /* ATTR_IMMEDIATEBIND */ { 0, 0, 0, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, "immediatebind" },
2068 /* ATTR_IMPLICIT_HANDLE */ { 1, 1, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, "implicit_handle" },
2069 /* ATTR_IN */ { 0, 0, 0, 0, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, "in" },
2070 /* ATTR_INLINE */ { 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, "inline" },
2071 /* ATTR_INPUTSYNC */ { 0, 0, 0, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, "inputsync" },
2072 /* ATTR_LENGTHIS */ { 0, 0, 0, 0, 1, 0, 0, 0, 0, 1, 0, 0, 0, 0, "length_is" },
2073 /* ATTR_LIBLCID */ { 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 1, 0, 0, 0, "lcid" },
2074 /* ATTR_LICENSED */ { 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 1, "licensed" },
2075 /* ATTR_LOCAL */ { 1, 0, 1, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, "local" },
2076 /* ATTR_MAYBE */ { 0, 0, 0, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, "maybe" },
2077 /* ATTR_MESSAGE */ { 0, 0, 0, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, "message" },
2078 /* ATTR_NOCODE */ { 0, 1, 1, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, "nocode" },
2079 /* ATTR_NONBROWSABLE */ { 0, 0, 0, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, "nonbrowsable" },
2080 /* ATTR_NONCREATABLE */ { 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 1, "noncreatable" },
2081 /* ATTR_NONEXTENSIBLE */ { 0, 0, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, "nonextensible" },
2082 /* ATTR_NOTIFY */ { 0, 0, 0, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, "notify" },
2083 /* ATTR_NOTIFYFLAG */ { 0, 0, 0, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, "notify_flag" },
2084 /* ATTR_OBJECT */ { 0, 0, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, "object" },
2085 /* ATTR_ODL */ { 0, 0, 1, 0, 0, 0, 0, 0, 0, 0, 0, 1, 0, 0, "odl" },
2086 /* ATTR_OLEAUTOMATION */ { 0, 0, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, "oleautomation" },
2087 /* ATTR_OPTIMIZE */ { 0, 0, 1, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, "optimize" },
2088 /* ATTR_OPTIONAL */ { 0, 0, 0, 0, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, "optional" },
2089 /* ATTR_OUT */ { 1, 0, 0, 0, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, "out" },
2090 /* ATTR_PARAMLCID */ { 0, 0, 0, 0, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, "lcid" },
2091 /* ATTR_PARTIALIGNORE */ { 0, 0, 0, 0, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, "partial_ignore" },
2092 /* ATTR_POINTERDEFAULT */ { 1, 0, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, "pointer_default" },
2093 /* ATTR_POINTERTYPE */ { 1, 0, 0, 0, 1, 1, 0, 0, 0, 1, 0, 0, 0, 0, "ref, unique or ptr" },
2094 /* ATTR_PROGID */ { 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 1, "progid" },
2095 /* ATTR_PROPGET */ { 0, 0, 0, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, "propget" },
2096 /* ATTR_PROPPUT */ { 0, 0, 0, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, "propput" },
2097 /* ATTR_PROPPUTREF */ { 0, 0, 0, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, "propputref" },
2098 /* ATTR_PROXY */ { 0, 0, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, "proxy" },
2099 /* ATTR_PUBLIC */ { 0, 0, 0, 0, 0, 1, 0, 0, 0, 0, 0, 0, 0, 0, "public" },
2100 /* ATTR_RANGE */ { 0, 0, 0, 0, 1, 1, 1, 0, 0, 1, 0, 0, 0, 0, "range" },
2101 /* ATTR_READONLY */ { 0, 0, 0, 0, 1, 0, 0, 0, 0, 1, 0, 0, 0, 0, "readonly" },
2102 /* ATTR_REPRESENTAS */ { 1, 0, 0, 0, 0, 1, 0, 0, 0, 0, 0, 0, 0, 0, "represent_as" },
2103 /* ATTR_REQUESTEDIT */ { 0, 0, 0, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, "requestedit" },
2104 /* ATTR_RESTRICTED */ { 0, 0, 1, 1, 0, 1, 1, 1, 0, 0, 1, 1, 1, 0, "restricted" },
2105 /* ATTR_RETVAL */ { 0, 0, 0, 0, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, "retval" },
2106 /* ATTR_SIZEIS */ { 0, 0, 0, 0, 1, 0, 0, 0, 0, 1, 0, 0, 0, 0, "size_is" },
2107 /* ATTR_SOURCE */ { 0, 0, 1, 1, 0, 0, 0, 0, 0, 0, 0, 1, 0, 0, "source" },
2108 /* ATTR_STRICTCONTEXTHANDLE */ { 0, 0, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, "strict_context_handle" },
2109 /* ATTR_STRING */ { 1, 0, 0, 1, 1, 1, 0, 0, 0, 1, 0, 0, 0, 0, "string" },
2110 /* ATTR_SWITCHIS */ { 1, 0, 0, 0, 1, 0, 0, 0, 0, 1, 0, 0, 0, 0, "switch_is" },
2111 /* ATTR_SWITCHTYPE */ { 1, 0, 0, 0, 0, 1, 0, 0, 0, 1, 0, 0, 0, 0, "switch_type" },
2112 /* ATTR_THREADING */ { 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 1, "threading" },
2113 /* ATTR_TRANSMITAS */ { 1, 0, 0, 0, 0, 1, 0, 0, 0, 0, 0, 0, 0, 0, "transmit_as" },
2114 /* ATTR_UIDEFAULT */ { 0, 0, 0, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, "uidefault" },
2115 /* ATTR_USESGETLASTERROR */ { 0, 0, 0, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, "usesgetlasterror" },
2116 /* ATTR_USERMARSHAL */ { 0, 0, 0, 0, 0, 1, 0, 0, 0, 0, 0, 0, 0, 0, "user_marshal" },
2117 /* ATTR_UUID */ { 1, 0, 1, 0, 0, 1, 1, 0, 0, 0, 1, 1, 1, 1, "uuid" },
2118 /* ATTR_V1ENUM */ { 0, 0, 0, 0, 0, 1, 1, 0, 0, 0, 0, 0, 0, 0, "v1_enum" },
2119 /* ATTR_VARARG */ { 0, 0, 0, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, "vararg" },
2120 /* ATTR_VERSION */ { 1, 0, 1, 0, 0, 1, 1, 0, 0, 0, 1, 0, 0, 1, "version" },
2121 /* ATTR_VIPROGID */ { 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 1, "vi_progid" },
2122 /* ATTR_WIREMARSHAL */ { 1, 0, 0, 0, 0, 1, 0, 0, 0, 0, 0, 0, 0, 0, "wire_marshal" },
2123 };
2124
2125 const char *get_attr_display_name(enum attr_type type)
2126 {
2127 return allowed_attr[type].display_name;
2128 }
2129
2130 static attr_list_t *check_iface_attrs(const char *name, attr_list_t *attrs)
2131 {
2132 const attr_t *attr;
2133 if (!attrs) return attrs;
2134 LIST_FOR_EACH_ENTRY(attr, attrs, const attr_t, entry)
2135 {
2136 if (!allowed_attr[attr->type].on_interface)
2137 error_loc("inapplicable attribute %s for interface %s\n",
2138 allowed_attr[attr->type].display_name, name);
2139 if (attr->type == ATTR_IMPLICIT_HANDLE)
2140 {
2141 const var_t *var = attr->u.pval;
2142 if (type_get_type( var->type) == TYPE_BASIC &&
2143 type_basic_get_type( var->type ) == TYPE_BASIC_HANDLE)
2144 continue;
2145 if (is_aliaschain_attr( var->type, ATTR_HANDLE ))
2146 continue;
2147 error_loc("attribute %s requires a handle type in interface %s\n",
2148 allowed_attr[attr->type].display_name, name);
2149 }
2150 }
2151 return attrs;
2152 }
2153
2154 static attr_list_t *check_function_attrs(const char *name, attr_list_t *attrs)
2155 {
2156 const attr_t *attr;
2157 if (!attrs) return attrs;
2158 LIST_FOR_EACH_ENTRY(attr, attrs, const attr_t, entry)
2159 {
2160 if (!allowed_attr[attr->type].on_function)
2161 error_loc("inapplicable attribute %s for function %s\n",
2162 allowed_attr[attr->type].display_name, name);
2163 }
2164 return attrs;
2165 }
2166
2167 static void check_arg_attrs(const var_t *arg)
2168 {
2169 const attr_t *attr;
2170
2171 if (arg->attrs)
2172 {
2173 LIST_FOR_EACH_ENTRY(attr, arg->attrs, const attr_t, entry)
2174 {
2175 if (!allowed_attr[attr->type].on_arg)
2176 error_loc("inapplicable attribute %s for argument %s\n",
2177 allowed_attr[attr->type].display_name, arg->name);
2178 }
2179 }
2180 }
2181
2182 static attr_list_t *check_typedef_attrs(attr_list_t *attrs)
2183 {
2184 const attr_t *attr;
2185 if (!attrs) return attrs;
2186 LIST_FOR_EACH_ENTRY(attr, attrs, const attr_t, entry)
2187 {
2188 if (!allowed_attr[attr->type].on_type)
2189 error_loc("inapplicable attribute %s for typedef\n",
2190 allowed_attr[attr->type].display_name);
2191 }
2192 return attrs;
2193 }
2194
2195 static attr_list_t *check_enum_attrs(attr_list_t *attrs)
2196 {
2197 const attr_t *attr;
2198 if (!attrs) return attrs;
2199 LIST_FOR_EACH_ENTRY(attr, attrs, const attr_t, entry)
2200 {
2201 if (!allowed_attr[attr->type].on_enum)
2202 error_loc("inapplicable attribute %s for enum\n",
2203 allowed_attr[attr->type].display_name);
2204 }
2205 return attrs;
2206 }
2207
2208 static attr_list_t *check_struct_attrs(attr_list_t *attrs)
2209 {
2210 const attr_t *attr;
2211 if (!attrs) return attrs;
2212 LIST_FOR_EACH_ENTRY(attr, attrs, const attr_t, entry)
2213 {
2214 if (!allowed_attr[attr->type].on_struct)
2215 error_loc("inapplicable attribute %s for struct\n",
2216 allowed_attr[attr->type].display_name);
2217 }
2218 return attrs;
2219 }
2220
2221 static attr_list_t *check_union_attrs(attr_list_t *attrs)
2222 {
2223 const attr_t *attr;
2224 if (!attrs) return attrs;
2225 LIST_FOR_EACH_ENTRY(attr, attrs, const attr_t, entry)
2226 {
2227 if (!allowed_attr[attr->type].on_union)
2228 error_loc("inapplicable attribute %s for union\n",
2229 allowed_attr[attr->type].display_name);
2230 }
2231 return attrs;
2232 }
2233
2234 static attr_list_t *check_field_attrs(const char *name, attr_list_t *attrs)
2235 {
2236 const attr_t *attr;
2237 if (!attrs) return attrs;
2238 LIST_FOR_EACH_ENTRY(attr, attrs, const attr_t, entry)
2239 {
2240 if (!allowed_attr[attr->type].on_field)
2241 error_loc("inapplicable attribute %s for field %s\n",
2242 allowed_attr[attr->type].display_name, name);
2243 }
2244 return attrs;
2245 }
2246
2247 static attr_list_t *check_library_attrs(const char *name, attr_list_t *attrs)
2248 {
2249 const attr_t *attr;
2250 if (!attrs) return attrs;
2251 LIST_FOR_EACH_ENTRY(attr, attrs, const attr_t, entry)
2252 {
2253 if (!allowed_attr[attr->type].on_library)
2254 error_loc("inapplicable attribute %s for library %s\n",
2255 allowed_attr[attr->type].display_name, name);
2256 }
2257 return attrs;
2258 }
2259
2260 static attr_list_t *check_dispiface_attrs(const char *name, attr_list_t *attrs)
2261 {
2262 const attr_t *attr;
2263 if (!attrs) return attrs;
2264 LIST_FOR_EACH_ENTRY(attr, attrs, const attr_t, entry)
2265 {
2266 if (!allowed_attr[attr->type].on_dispinterface)
2267 error_loc("inapplicable attribute %s for dispinterface %s\n",
2268 allowed_attr[attr->type].display_name, name);
2269 }
2270 return attrs;
2271 }
2272
2273 static attr_list_t *check_module_attrs(const char *name, attr_list_t *attrs)
2274 {
2275 const attr_t *attr;
2276 if (!attrs) return attrs;
2277 LIST_FOR_EACH_ENTRY(attr, attrs, const attr_t, entry)
2278 {
2279 if (!allowed_attr[attr->type].on_module)
2280 error_loc("inapplicable attribute %s for module %s\n",
2281 allowed_attr[attr->type].display_name, name);
2282 }
2283 return attrs;
2284 }
2285
2286 static attr_list_t *check_coclass_attrs(const char *name, attr_list_t *attrs)
2287 {
2288 const attr_t *attr;
2289 if (!attrs) return attrs;
2290 LIST_FOR_EACH_ENTRY(attr, attrs, const attr_t, entry)
2291 {
2292 if (!allowed_attr[attr->type].on_coclass)
2293 error_loc("inapplicable attribute %s for coclass %s\n",
2294 allowed_attr[attr->type].display_name, name);
2295 }
2296 return attrs;
2297 }
2298
2299 static int is_allowed_conf_type(const type_t *type)
2300 {
2301 switch (type_get_type(type))
2302 {
2303 case TYPE_ENUM:
2304 return TRUE;
2305 case TYPE_BASIC:
2306 switch (type_basic_get_type(type))
2307 {
2308 case TYPE_BASIC_INT8:
2309 case TYPE_BASIC_INT16:
2310 case TYPE_BASIC_INT32:
2311 case TYPE_BASIC_INT64:
2312 case TYPE_BASIC_INT:
2313 case TYPE_BASIC_CHAR:
2314 case TYPE_BASIC_HYPER:
2315 case TYPE_BASIC_BYTE:
2316 case TYPE_BASIC_WCHAR:
2317 return TRUE;
2318 default:
2319 return FALSE;
2320 }
2321 case TYPE_ALIAS:
2322 /* shouldn't get here because of type_get_type call above */
2323 assert(0);
2324 /* fall through */
2325 case TYPE_STRUCT:
2326 case TYPE_UNION:
2327 case TYPE_ENCAPSULATED_UNION:
2328 case TYPE_ARRAY:
2329 case TYPE_POINTER:
2330 case TYPE_VOID:
2331 case TYPE_MODULE:
2332 case TYPE_COCLASS:
2333 case TYPE_FUNCTION:
2334 case TYPE_INTERFACE:
2335 case TYPE_BITFIELD:
2336 return FALSE;
2337 }
2338 return FALSE;
2339 }
2340
2341 static int is_ptr_guid_type(const type_t *type)
2342 {
2343 /* first, make sure it is a pointer to something */
2344 if (!is_ptr(type)) return FALSE;
2345
2346 /* second, make sure it is a pointer to something of size sizeof(GUID),
2347 * i.e. 16 bytes */
2348 return (type_memsize(type_pointer_get_ref(type)) == 16);
2349 }
2350
2351 static void check_conformance_expr_list(const char *attr_name, const var_t *arg, const type_t *container_type, expr_list_t *expr_list)
2352 {
2353 expr_t *dim;
2354 struct expr_loc expr_loc;
2355 expr_loc.v = arg;
2356 expr_loc.attr = attr_name;
2357 if (expr_list) LIST_FOR_EACH_ENTRY(dim, expr_list, expr_t, entry)
2358 {
2359 if (dim->type != EXPR_VOID)
2360 {
2361 const type_t *expr_type = expr_resolve_type(&expr_loc, container_type, dim);
2362 if (!is_allowed_conf_type(expr_type))
2363 error_loc_info(&arg->loc_info, "expression must resolve to integral type <= 32bits for attribute %s\n",
2364 attr_name);
2365 }
2366 }
2367 }
2368
2369 static void check_remoting_fields(const var_t *var, type_t *type);
2370
2371 /* checks that properties common to fields and arguments are consistent */
2372 static void check_field_common(const type_t *container_type,
2373 const char *container_name, const var_t *arg)
2374 {
2375 type_t *type = arg->type;
2376 int more_to_do;
2377 const char *container_type_name;
2378 const char *var_type;
2379
2380 switch (type_get_type(container_type))
2381 {
2382 case TYPE_STRUCT:
2383 container_type_name = "struct";
2384 var_type = "field";
2385 break;
2386 case TYPE_UNION:
2387 container_type_name = "union";
2388 var_type = "arm";
2389 break;
2390 case TYPE_ENCAPSULATED_UNION:
2391 container_type_name = "encapsulated union";
2392 var_type = "arm";
2393 break;
2394 case TYPE_FUNCTION:
2395 container_type_name = "function";
2396 var_type = "parameter";
2397 break;
2398 default:
2399 /* should be no other container types */
2400 assert(0);
2401 return;
2402 }
2403
2404 if (is_attr(arg->attrs, ATTR_LENGTHIS) &&
2405 (is_attr(arg->attrs, ATTR_STRING) || is_aliaschain_attr(arg->type, ATTR_STRING)))
2406 error_loc_info(&arg->loc_info,
2407 "string and length_is specified for argument %s are mutually exclusive attributes\n",
2408 arg->name);
2409
2410 if (is_attr(arg->attrs, ATTR_SIZEIS))
2411 {
2412 expr_list_t *size_is_exprs = get_attrp(arg->attrs, ATTR_SIZEIS);
2413 check_conformance_expr_list("size_is", arg, container_type, size_is_exprs);
2414 }
2415 if (is_attr(arg->attrs, ATTR_LENGTHIS))
2416 {
2417 expr_list_t *length_is_exprs = get_attrp(arg->attrs, ATTR_LENGTHIS);
2418 check_conformance_expr_list("length_is", arg, container_type, length_is_exprs);
2419 }
2420 if (is_attr(arg->attrs, ATTR_IIDIS))
2421 {
2422 struct expr_loc expr_loc;
2423 expr_t *expr = get_attrp(arg->attrs, ATTR_IIDIS);
2424 if (expr->type != EXPR_VOID)
2425 {
2426 const type_t *expr_type;
2427 expr_loc.v = arg;
2428 expr_loc.attr = "iid_is";
2429 expr_type = expr_resolve_type(&expr_loc, container_type, expr);
2430 if (!expr_type || !is_ptr_guid_type(expr_type))
2431 error_loc_info(&arg->loc_info, "expression must resolve to pointer to GUID type for attribute iid_is\n");
2432 }
2433 }
2434 if (is_attr(arg->attrs, ATTR_SWITCHIS))
2435 {
2436 struct expr_loc expr_loc;
2437 expr_t *expr = get_attrp(arg->attrs, ATTR_SWITCHIS);
2438 if (expr->type != EXPR_VOID)
2439 {
2440 const type_t *expr_type;
2441 expr_loc.v = arg;
2442 expr_loc.attr = "switch_is";
2443 expr_type = expr_resolve_type(&expr_loc, container_type, expr);
2444 if (!expr_type || !is_allowed_conf_type(expr_type))
2445 error_loc_info(&arg->loc_info, "expression must resolve to integral type <= 32bits for attribute %s\n",
2446 expr_loc.attr);
2447 }
2448 }
2449
2450 do
2451 {
2452 more_to_do = FALSE;
2453
2454 switch (typegen_detect_type(type, arg->attrs, TDT_IGNORE_STRINGS))
2455 {
2456 case TGT_STRUCT:
2457 case TGT_UNION:
2458 check_remoting_fields(arg, type);
2459 break;
2460 case TGT_INVALID:
2461 {
2462 const char *reason = "is invalid";
2463 switch (type_get_type(type))
2464 {
2465 case TYPE_VOID:
2466 reason = "cannot derive from void *";
2467 break;
2468 case TYPE_FUNCTION:
2469 reason = "cannot be a function pointer";
2470 break;
2471 case TYPE_BITFIELD:
2472 reason = "cannot be a bit-field";
2473 break;
2474 case TYPE_COCLASS:
2475 reason = "cannot be a class";
2476 break;
2477 case TYPE_INTERFACE:
2478 reason = "cannot be a non-pointer to an interface";
2479 break;
2480 case TYPE_MODULE:
2481 reason = "cannot be a module";
2482 break;
2483 default:
2484 break;
2485 }
2486 error_loc_info(&arg->loc_info, "%s \'%s\' of %s \'%s\' %s\n",
2487 var_type, arg->name, container_type_name, container_name, reason);
2488 break;
2489 }
2490 case TGT_CTXT_HANDLE:
2491 case TGT_CTXT_HANDLE_POINTER:
2492 if (type_get_type(container_type) != TYPE_FUNCTION)
2493 error_loc_info(&arg->loc_info,
2494 "%s \'%s\' of %s \'%s\' cannot be a context handle\n",
2495 var_type, arg->name, container_type_name,
2496 container_name);
2497 break;
2498 case TGT_STRING:
2499 {
2500 const type_t *t = type;
2501 while (is_ptr(t))
2502 t = type_pointer_get_ref(t);
2503 if (is_aliaschain_attr(t, ATTR_RANGE))
2504 warning_loc_info(&arg->loc_info, "%s: range not verified for a string of ranged types\n", arg->name);
2505 break;
2506 }
2507 case TGT_POINTER:
2508 type = type_pointer_get_ref(type);
2509 more_to_do = TRUE;
2510 break;
2511 case TGT_ARRAY:
2512 type = type_array_get_element(type);
2513 more_to_do = TRUE;
2514 break;
2515 case TGT_USER_TYPE:
2516 case TGT_IFACE_POINTER:
2517 case TGT_BASIC:
2518 case TGT_ENUM:
2519 case TGT_RANGE:
2520 /* nothing to do */
2521 break;
2522 }
2523 } while (more_to_do);
2524 }
2525
2526 static void check_remoting_fields(const var_t *var, type_t *type)
2527 {
2528 const var_t *field;
2529 const var_list_t *fields = NULL;
2530
2531 type = type_get_real_type(type);
2532
2533 if (type->checked)
2534 return;
2535
2536 type->checked = TRUE;
2537
2538 if (type_get_type(type) == TYPE_STRUCT)
2539 {
2540 if (type_is_complete(type))
2541 fields = type_struct_get_fields(type);
2542 else
2543 error_loc_info(&var->loc_info, "undefined type declaration %s\n", type->name);
2544 }
2545 else if (type_get_type(type) == TYPE_UNION || type_get_type(type) == TYPE_ENCAPSULATED_UNION)
2546 fields = type_union_get_cases(type);
2547
2548 if (fields) LIST_FOR_EACH_ENTRY( field, fields, const var_t, entry )
2549 if (field->type) check_field_common(type, type->name, field);
2550 }
2551
2552 /* checks that arguments for a function make sense for marshalling and unmarshalling */
2553 static void check_remoting_args(const var_t *func)
2554 {
2555 const char *funcname = func->name;
2556 const var_t *arg;
2557
2558 if (func->type->details.function->args) LIST_FOR_EACH_ENTRY( arg, func->type->details.function->args, const var_t, entry )
2559 {
2560 const type_t *type = arg->type;
2561
2562 /* check that [out] parameters have enough pointer levels */
2563 if (is_attr(arg->attrs, ATTR_OUT))
2564 {
2565 switch (typegen_detect_type(type, arg->attrs, TDT_ALL_TYPES))
2566 {
2567 case TGT_BASIC:
2568 case TGT_ENUM:
2569 case TGT_RANGE:
2570 case TGT_STRUCT:
2571 case TGT_UNION:
2572 case TGT_CTXT_HANDLE:
2573 case TGT_USER_TYPE:
2574 error_loc_info(&arg->loc_info, "out parameter \'%s\' of function \'%s\' is not a pointer\n", arg->name, funcname);
2575 break;
2576 case TGT_IFACE_POINTER:
2577 error_loc_info(&arg->loc_info, "out interface pointer \'%s\' of function \'%s\' is not a double pointer\n", arg->name, funcname);
2578 break;
2579 case TGT_STRING:
2580 if (is_array(type))
2581 {
2582 /* needs conformance or fixed dimension */
2583 if (type_array_has_conformance(type) &&
2584 type_array_get_conformance(type)->type != EXPR_VOID) break;
2585 if (!type_array_has_conformance(type) && type_array_get_dim(type)) break;
2586 }
2587 if (is_attr( arg->attrs, ATTR_IN )) break;
2588 error_loc_info(&arg->loc_info, "out parameter \'%s\' of function \'%s\' cannot be an unsized string\n", arg->name, funcname);
2589 break;
2590 case TGT_INVALID:
2591 /* already error'd before we get here */
2592 case TGT_CTXT_HANDLE_POINTER:
2593 case TGT_POINTER:
2594 case TGT_ARRAY:
2595 /* OK */
2596 break;
2597 }
2598 }
2599
2600 check_field_common(func->type, funcname, arg);
2601 }
2602
2603 if (type_get_type(type_function_get_rettype(func->type)) != TYPE_VOID)
2604 {
2605 var_t var;
2606 var = *func;
2607 var.type = type_function_get_rettype(func->type);
2608 var.name = xstrdup("return value");
2609 check_field_common(func->type, funcname, &var);
2610 free(var.name);
2611 }
2612 }
2613
2614 static void add_explicit_handle_if_necessary(const type_t *iface, var_t *func)
2615 {
2616 unsigned char explicit_fc, implicit_fc;
2617
2618 /* check for a defined binding handle */
2619 if (!get_func_handle_var( iface, func, &explicit_fc, &implicit_fc ) || !explicit_fc)
2620 {
2621 /* no explicit handle specified so add
2622 * "[in] handle_t IDL_handle" as the first parameter to the
2623 * function */
2624 var_t *idl_handle = make_var(xstrdup("IDL_handle"));
2625 idl_handle->attrs = append_attr(NULL, make_attr(ATTR_IN));
2626 idl_handle->type = find_type_or_error("handle_t", 0);
2627 type_function_add_head_arg(func->type, idl_handle);
2628 }
2629 }
2630
2631 static void check_functions(const type_t *iface, int is_inside_library)
2632 {
2633 const statement_t *stmt;
2634 if (is_attr(iface->attrs, ATTR_EXPLICIT_HANDLE))
2635 {
2636 STATEMENTS_FOR_EACH_FUNC( stmt, type_iface_get_stmts(iface) )
2637 {
2638 var_t *func = stmt->u.var;
2639 add_explicit_handle_if_necessary(iface, func);
2640 }
2641 }
2642 if (!is_inside_library && !is_attr(iface->attrs, ATTR_LOCAL))
2643 {
2644 STATEMENTS_FOR_EACH_FUNC( stmt, type_iface_get_stmts(iface) )
2645 {
2646 const var_t *func = stmt->u.var;
2647 if (!is_attr(func->attrs, ATTR_LOCAL))
2648 check_remoting_args(func);
2649 }
2650 }
2651 }
2652
2653 static void check_statements(const statement_list_t *stmts, int is_inside_library)
2654 {
2655 const statement_t *stmt;
2656
2657 if (stmts) LIST_FOR_EACH_ENTRY(stmt, stmts, const statement_t, entry)
2658 {
2659 if (stmt->type == STMT_LIBRARY)
2660 check_statements(stmt->u.lib->stmts, TRUE);
2661 else if (stmt->type == STMT_TYPE && type_get_type(stmt->u.type) == TYPE_INTERFACE)
2662 check_functions(stmt->u.type, is_inside_library);
2663 }
2664 }
2665
2666 static void check_all_user_types(const statement_list_t *stmts)
2667 {
2668 const statement_t *stmt;
2669
2670 if (stmts) LIST_FOR_EACH_ENTRY(stmt, stmts, const statement_t, entry)
2671 {
2672 if (stmt->type == STMT_LIBRARY)
2673 check_all_user_types(stmt->u.lib->stmts);
2674 else if (stmt->type == STMT_TYPE && type_get_type(stmt->u.type) == TYPE_INTERFACE &&
2675 !is_local(stmt->u.type->attrs))
2676 {
2677 const statement_t *stmt_func;
2678 STATEMENTS_FOR_EACH_FUNC(stmt_func, type_iface_get_stmts(stmt->u.type)) {
2679 const var_t *func = stmt_func->u.var;
2680 check_for_additional_prototype_types(func->type->details.function->args);
2681 }
2682 }
2683 }
2684 }
2685
2686 int is_valid_uuid(const char *s)
2687 {
2688 int i;
2689
2690 for (i = 0; i < 36; ++i)
2691 if (i == 8 || i == 13 || i == 18 || i == 23)
2692 {
2693 if (s[i] != '-')
2694 return FALSE;
2695 }
2696 else
2697 if (!isxdigit(s[i]))
2698 return FALSE;
2699
2700 return s[i] == '\0';
2701 }
2702
2703 static statement_t *make_statement(enum statement_type type)
2704 {
2705 statement_t *stmt = xmalloc(sizeof(*stmt));
2706 stmt->type = type;
2707 return stmt;
2708 }
2709
2710 static statement_t *make_statement_type_decl(type_t *type)
2711 {
2712 statement_t *stmt = make_statement(STMT_TYPE);
2713 stmt->u.type = type;
2714 return stmt;
2715 }
2716
2717 static statement_t *make_statement_reference(type_t *type)
2718 {
2719 statement_t *stmt = make_statement(STMT_TYPEREF);
2720 stmt->u.type = type;
2721 return stmt;
2722 }
2723
2724 static statement_t *make_statement_declaration(var_t *var)
2725 {
2726 statement_t *stmt = make_statement(STMT_DECLARATION);
2727 stmt->u.var = var;
2728 if (var->stgclass == STG_EXTERN && var->eval)
2729 warning("'%s' initialised and declared extern\n", var->name);
2730 if (is_const_decl(var))
2731 {
2732 if (var->eval)
2733 reg_const(var);
2734 }
2735 else if (type_get_type(var->type) == TYPE_FUNCTION)
2736 check_function_attrs(var->name, var->attrs);
2737 else if (var->stgclass == STG_NONE || var->stgclass == STG_REGISTER)
2738 error_loc("instantiation of data is illegal\n");
2739 return stmt;
2740 }
2741
2742 static statement_t *make_statement_library(typelib_t *typelib)
2743 {
2744 statement_t *stmt = make_statement(STMT_LIBRARY);
2745 stmt->u.lib = typelib;
2746 return stmt;
2747 }
2748
2749 static statement_t *make_statement_pragma(const char *str)
2750 {
2751 statement_t *stmt = make_statement(STMT_PRAGMA);
2752 stmt->u.str = str;
2753 return stmt;
2754 }
2755
2756 static statement_t *make_statement_cppquote(const char *str)
2757 {
2758 statement_t *stmt = make_statement(STMT_CPPQUOTE);
2759 stmt->u.str = str;
2760 return stmt;
2761 }
2762
2763 static statement_t *make_statement_importlib(const char *str)
2764 {
2765 statement_t *stmt = make_statement(STMT_IMPORTLIB);
2766 stmt->u.str = str;
2767 return stmt;
2768 }
2769
2770 static statement_t *make_statement_import(const char *str)
2771 {
2772 statement_t *stmt = make_statement(STMT_IMPORT);
2773 stmt->u.str = str;
2774 return stmt;
2775 }
2776
2777 static statement_t *make_statement_module(type_t *type)
2778 {
2779 statement_t *stmt = make_statement(STMT_MODULE);
2780 stmt->u.type = type;
2781 return stmt;
2782 }
2783
2784 static statement_t *make_statement_typedef(declarator_list_t *decls)
2785 {
2786 declarator_t *decl, *next;
2787 statement_t *stmt;
2788 type_list_t **type_list;
2789
2790 if (!decls) return NULL;
2791
2792 stmt = make_statement(STMT_TYPEDEF);
2793 stmt->u.type_list = NULL;
2794 type_list = &stmt->u.type_list;
2795
2796 LIST_FOR_EACH_ENTRY_SAFE( decl, next, decls, declarator_t, entry )
2797 {
2798 var_t *var = decl->var;
2799 type_t *type = find_type_or_error(var->name, 0);
2800 *type_list = xmalloc(sizeof(type_list_t));
2801 (*type_list)->type = type;
2802 (*type_list)->next = NULL;
2803
2804 type_list = &(*type_list)->next;
2805 free(decl);
2806 free(var);
2807 }
2808
2809 return stmt;
2810 }
2811
2812 static statement_list_t *append_statements(statement_list_t *l1, statement_list_t *l2)
2813 {
2814 if (!l2) return l1;
2815 if (!l1 || l1 == l2) return l2;
2816 list_move_tail (l1, l2);
2817 return l1;
2818 }
2819
2820 static attr_list_t *append_attribs(attr_list_t *l1, attr_list_t *l2)
2821 {
2822 if (!l2) return l1;
2823 if (!l1 || l1 == l2) return l2;
2824 list_move_tail (l1, l2);
2825 return l1;
2826 }
2827
2828 static statement_list_t *append_statement(statement_list_t *list, statement_t *stmt)
2829 {
2830 if (!stmt) return list;
2831 if (!list)
2832 {
2833 list = xmalloc( sizeof(*list) );
2834 list_init( list );
2835 }
2836 list_add_tail( list, &stmt->entry );
2837 return list;
2838 }
2839
2840 void init_loc_info(loc_info_t *i)
2841 {
2842 i->input_name = input_name ? input_name : "stdin";
2843 i->line_number = line_number;
2844 i->near_text = parser_text;
2845 }
2846
2847 static void check_def(const type_t *t)
2848 {
2849 if (t->defined)
2850 error_loc("%s: redefinition error; original definition was at %s:%d\n",
2851 t->name, t->loc_info.input_name, t->loc_info.line_number);
2852 }
Windows API implementation