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po: Fix some space issues in the Norwegian Bokmål translation.
[wine/multimedia.git] / tools / widl / parser.y
blobcd947e82dea395a3810922ba214b5bb912231f81
1 %{
2 /*
3 * IDL Compiler
4 *
5 * Copyright 2002 Ove Kaaven
6 * Copyright 2006-2008 Robert Shearman
7 *
8 * This library is free software; you can redistribute it and/or
9 * modify it under the terms of the GNU Lesser General Public
10 * License as published by the Free Software Foundation; either
11 * version 2.1 of the License, or (at your option) any later version.
12 *
13 * This library is distributed in the hope that it will be useful,
14 * but WITHOUT ANY WARRANTY; without even the implied warranty of
15 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
16 * Lesser General Public License for more details.
17 *
18 * You should have received a copy of the GNU Lesser General Public
19 * License along with this library; if not, write to the Free Software
20 * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA
21 */
22
23 #include "config.h"
24
25 #include <stdio.h>
26 #include <stdlib.h>
27 #include <stdarg.h>
28 #include <assert.h>
29 #include <ctype.h>
30 #include <string.h>
31
32 #include "widl.h"
33 #include "utils.h"
34 #include "parser.h"
35 #include "header.h"
36 #include "typelib.h"
37 #include "typegen.h"
38 #include "expr.h"
39 #include "typetree.h"
40
41 #if defined(YYBYACC)
42 /* Berkeley yacc (byacc) doesn't seem to know about these */
43 /* Some *BSD supplied versions do define these though */
44 # ifndef YYEMPTY
45 # define YYEMPTY (-1) /* Empty lookahead value of yychar */
46 # endif
47 # ifndef YYLEX
48 # define YYLEX yylex()
49 # endif
50
51 #elif defined(YYBISON)
52 /* Bison was used for original development */
53 /* #define YYEMPTY -2 */
54 /* #define YYLEX yylex() */
55
56 #else
57 /* No yacc we know yet */
58 # if !defined(YYEMPTY) || !defined(YYLEX)
59 # error Yacc version/type unknown. This version needs to be verified for settings of YYEMPTY and YYLEX.
60 # elif defined(__GNUC__) /* gcc defines the #warning directive */
61 # warning Yacc version/type unknown. It defines YYEMPTY and YYLEX, but is not tested
62 /* #else we just take a chance that it works... */
63 # endif
64 #endif
65
66 #define YYERROR_VERBOSE
67
68 static unsigned char pointer_default = RPC_FC_UP;
69
70 typedef struct list typelist_t;
71 struct typenode {
72 type_t *type;
73 struct list entry;
74 };
75
76 struct _import_t
77 {
78 char *name;
79 int import_performed;
80 };
81
82 typedef struct _decl_spec_t
83 {
84 type_t *type;
85 attr_list_t *attrs;
86 enum storage_class stgclass;
87 } decl_spec_t;
88
89 typelist_t incomplete_types = LIST_INIT(incomplete_types);
90
91 static void fix_incomplete(void);
92 static void fix_incomplete_types(type_t *complete_type);
93
94 static str_list_t *append_str(str_list_t *list, char *str);
95 static attr_list_t *append_attr(attr_list_t *list, attr_t *attr);
96 static attr_list_t *append_attr_list(attr_list_t *new_list, attr_list_t *old_list);
97 static decl_spec_t *make_decl_spec(type_t *type, decl_spec_t *left, decl_spec_t *right, attr_t *attr, enum storage_class stgclass);
98 static attr_t *make_attr(enum attr_type type);
99 static attr_t *make_attrv(enum attr_type type, unsigned int val);
100 static attr_t *make_attrp(enum attr_type type, void *val);
101 static expr_list_t *append_expr(expr_list_t *list, expr_t *expr);
102 static array_dims_t *append_array(array_dims_t *list, expr_t *expr);
103 static var_t *declare_var(attr_list_t *attrs, decl_spec_t *decl_spec, const declarator_t *decl, int top);
104 static var_list_t *set_var_types(attr_list_t *attrs, decl_spec_t *decl_spec, declarator_list_t *decls);
105 static ifref_list_t *append_ifref(ifref_list_t *list, ifref_t *iface);
106 static ifref_t *make_ifref(type_t *iface);
107 static var_list_t *append_var_list(var_list_t *list, var_list_t *vars);
108 static declarator_list_t *append_declarator(declarator_list_t *list, declarator_t *p);
109 static declarator_t *make_declarator(var_t *var);
110 static type_t *make_safearray(type_t *type);
111 static typelib_t *make_library(const char *name, const attr_list_t *attrs);
112 static type_t *append_ptrchain_type(type_t *ptrchain, type_t *type);
113
114 static type_t *reg_typedefs(decl_spec_t *decl_spec, var_list_t *names, attr_list_t *attrs);
115 static type_t *find_type_or_error(const char *name, int t);
116 static type_t *find_type_or_error2(char *name, int t);
117
118 static var_t *reg_const(var_t *var);
119
120 static char *gen_name(void);
121 static void check_arg_attrs(const var_t *arg);
122 static void check_statements(const statement_list_t *stmts, int is_inside_library);
123 static void check_all_user_types(const statement_list_t *stmts);
124 static attr_list_t *check_iface_attrs(const char *name, attr_list_t *attrs);
125 static attr_list_t *check_function_attrs(const char *name, attr_list_t *attrs);
126 static attr_list_t *check_typedef_attrs(attr_list_t *attrs);
127 static attr_list_t *check_enum_attrs(attr_list_t *attrs);
128 static attr_list_t *check_struct_attrs(attr_list_t *attrs);
129 static attr_list_t *check_union_attrs(attr_list_t *attrs);
130 static attr_list_t *check_field_attrs(const char *name, attr_list_t *attrs);
131 static attr_list_t *check_library_attrs(const char *name, attr_list_t *attrs);
132 static attr_list_t *check_dispiface_attrs(const char *name, attr_list_t *attrs);
133 static attr_list_t *check_module_attrs(const char *name, attr_list_t *attrs);
134 static attr_list_t *check_coclass_attrs(const char *name, attr_list_t *attrs);
135 const char *get_attr_display_name(enum attr_type type);
136 static void add_explicit_handle_if_necessary(const type_t *iface, var_t *func);
137 static void check_def(const type_t *t);
138
139 static statement_t *make_statement(enum statement_type type);
140 static statement_t *make_statement_type_decl(type_t *type);
141 static statement_t *make_statement_reference(type_t *type);
142 static statement_t *make_statement_declaration(var_t *var);
143 static statement_t *make_statement_library(typelib_t *typelib);
144 static statement_t *make_statement_cppquote(const char *str);
145 static statement_t *make_statement_importlib(const char *str);
146 static statement_t *make_statement_module(type_t *type);
147 static statement_t *make_statement_typedef(var_list_t *names);
148 static statement_t *make_statement_import(const char *str);
149 static statement_t *make_statement_typedef(var_list_t *names);
150 static statement_list_t *append_statement(statement_list_t *list, statement_t *stmt);
151
152 %}
153 %union {
154 attr_t *attr;
155 attr_list_t *attr_list;
156 str_list_t *str_list;
157 expr_t *expr;
158 expr_list_t *expr_list;
159 array_dims_t *array_dims;
160 type_t *type;
161 var_t *var;
162 var_list_t *var_list;
163 declarator_t *declarator;
164 declarator_list_t *declarator_list;
165 statement_t *statement;
166 statement_list_t *stmt_list;
167 ifref_t *ifref;
168 ifref_list_t *ifref_list;
169 char *str;
170 UUID *uuid;
171 unsigned int num;
172 double dbl;
173 interface_info_t ifinfo;
174 typelib_t *typelib;
175 struct _import_t *import;
176 struct _decl_spec_t *declspec;
177 enum storage_class stgclass;
178 }
179
180 %token <str> aIDENTIFIER
181 %token <str> aKNOWNTYPE
182 %token <num> aNUM aHEXNUM
183 %token <dbl> aDOUBLE
184 %token <str> aSTRING aWSTRING aSQSTRING
185 %token <uuid> aUUID
186 %token aEOF
187 %token SHL SHR
188 %token MEMBERPTR
189 %token EQUALITY INEQUALITY
190 %token GREATEREQUAL LESSEQUAL
191 %token LOGICALOR LOGICALAND
192 %token ELLIPSIS
193 %token tAGGREGATABLE tALLOCATE tANNOTATION tAPPOBJECT tASYNC tASYNCUUID
194 %token tAUTOHANDLE tBINDABLE tBOOLEAN tBROADCAST tBYTE tBYTECOUNT
195 %token tCALLAS tCALLBACK tCASE tCDECL tCHAR tCOCLASS tCODE tCOMMSTATUS
196 %token tCONST tCONTEXTHANDLE tCONTEXTHANDLENOSERIALIZE
197 %token tCONTEXTHANDLESERIALIZE tCONTROL tCPPQUOTE
198 %token tDECODE tDEFAULT tDEFAULTBIND
199 %token tDEFAULTCOLLELEM
200 %token tDEFAULTVALUE
201 %token tDEFAULTVTABLE
202 %token tDISABLECONSISTENCYCHECK tDISPLAYBIND
203 %token tDISPINTERFACE
204 %token tDLLNAME tDOUBLE tDUAL
205 %token tENABLEALLOCATE tENCODE tENDPOINT
206 %token tENTRY tENUM tERRORSTATUST
207 %token tEXPLICITHANDLE tEXTERN
208 %token tFALSE
209 %token tFASTCALL tFAULTSTATUS
210 %token tFLOAT tFORCEALLOCATE
211 %token tHANDLE
212 %token tHANDLET
213 %token tHELPCONTEXT tHELPFILE
214 %token tHELPSTRING tHELPSTRINGCONTEXT tHELPSTRINGDLL
215 %token tHIDDEN
216 %token tHYPER tID tIDEMPOTENT
217 %token tIGNORE tIIDIS
218 %token tIMMEDIATEBIND
219 %token tIMPLICITHANDLE
220 %token tIMPORT tIMPORTLIB
221 %token tIN tIN_LINE tINLINE
222 %token tINPUTSYNC
223 %token tINT tINT3264 tINT64
224 %token tINTERFACE
225 %token tLCID
226 %token tLENGTHIS tLIBRARY
227 %token tLICENSED tLOCAL
228 %token tLONG
229 %token tMAYBE tMESSAGE
230 %token tMETHODS
231 %token tMODULE
232 %token tNOCODE tNONBROWSABLE
233 %token tNONCREATABLE
234 %token tNONEXTENSIBLE
235 %token tNOTIFY tNOTIFYFLAG
236 %token tNULL
237 %token tOBJECT tODL tOLEAUTOMATION
238 %token tOPTIMIZE tOPTIONAL
239 %token tOUT
240 %token tPARTIALIGNORE tPASCAL
241 %token tPOINTERDEFAULT
242 %token tPROGID tPROPERTIES
243 %token tPROPGET tPROPPUT tPROPPUTREF
244 %token tPROXY tPTR
245 %token tPUBLIC
246 %token tRANGE
247 %token tREADONLY tREF
248 %token tREGISTER tREPRESENTAS
249 %token tREQUESTEDIT
250 %token tRESTRICTED
251 %token tRETVAL
252 %token tSAFEARRAY
253 %token tSHORT
254 %token tSIGNED
255 %token tSIZEIS tSIZEOF
256 %token tSMALL
257 %token tSOURCE
258 %token tSTATIC
259 %token tSTDCALL
260 %token tSTRICTCONTEXTHANDLE
261 %token tSTRING tSTRUCT
262 %token tSWITCH tSWITCHIS tSWITCHTYPE
263 %token tTHREADING tTRANSMITAS
264 %token tTRUE
265 %token tTYPEDEF
266 %token tUIDEFAULT tUNION
267 %token tUNIQUE
268 %token tUNSIGNED
269 %token tUSESGETLASTERROR tUSERMARSHAL tUUID
270 %token tV1ENUM
271 %token tVARARG
272 %token tVERSION tVIPROGID
273 %token tVOID
274 %token tWCHAR tWIREMARSHAL
275 %token tAPARTMENT tNEUTRAL tSINGLE tFREE tBOTH
276
277 %type <attr> attribute type_qualifier function_specifier
278 %type <attr_list> m_attributes attributes attrib_list m_type_qual_list
279 %type <str_list> str_list
280 %type <expr> m_expr expr expr_const expr_int_const array m_bitfield
281 %type <expr_list> m_exprs /* exprs expr_list */ expr_list_int_const
282 %type <ifinfo> interfacehdr
283 %type <stgclass> storage_cls_spec
284 %type <declspec> decl_spec decl_spec_no_type m_decl_spec_no_type
285 %type <type> inherit interface interfacedef interfacedec
286 %type <type> dispinterface dispinterfacehdr dispinterfacedef
287 %type <type> module modulehdr moduledef
288 %type <type> base_type int_std
289 %type <type> enumdef structdef uniondef typedecl
290 %type <type> type
291 %type <ifref> coclass_int
292 %type <ifref_list> coclass_ints
293 %type <var> arg ne_union_field union_field s_field case enum declaration
294 %type <var> funcdef
295 %type <var_list> m_args arg_list args dispint_meths
296 %type <var_list> fields ne_union_fields cases enums enum_list dispint_props field
297 %type <var> m_ident ident
298 %type <declarator> declarator direct_declarator init_declarator struct_declarator
299 %type <declarator> m_any_declarator any_declarator any_declarator_no_direct any_direct_declarator
300 %type <declarator> m_abstract_declarator abstract_declarator abstract_declarator_no_direct abstract_direct_declarator
301 %type <declarator_list> declarator_list struct_declarator_list
302 %type <type> coclass coclasshdr coclassdef
303 %type <num> pointer_type threading_type version
304 %type <str> libraryhdr callconv cppquote importlib import t_ident
305 %type <uuid> uuid_string
306 %type <import> import_start
307 %type <typelib> library_start librarydef
308 %type <statement> statement typedef
309 %type <stmt_list> gbl_statements imp_statements int_statements
310
311 %left ','
312 %right '?' ':'
313 %left LOGICALOR
314 %left LOGICALAND
315 %left '|'
316 %left '^'
317 %left '&'
318 %left EQUALITY INEQUALITY
319 %left '<' '>' LESSEQUAL GREATEREQUAL
320 %left SHL SHR
321 %left '-' '+'
322 %left '*' '/' '%'
323 %right '!' '~' CAST PPTR POS NEG ADDRESSOF tSIZEOF
324 %left '.' MEMBERPTR '[' ']'
325
326 %%
327
328 input: gbl_statements { fix_incomplete();
329 check_statements($1, FALSE);
330 check_all_user_types($1);
331 write_header($1);
332 write_id_data($1);
333 write_proxies($1);
334 write_client($1);
335 write_server($1);
336 write_regscript($1);
337 write_dlldata($1);
338 write_local_stubs($1);
339 }
340 ;
341
342 gbl_statements: { $$ = NULL; }
343 | gbl_statements interfacedec { $$ = append_statement($1, make_statement_reference($2)); }
344 | gbl_statements interfacedef { $$ = append_statement($1, make_statement_type_decl($2)); }
345 | gbl_statements coclass ';' { $$ = $1;
346 reg_type($2, $2->name, 0);
347 }
348 | gbl_statements coclassdef { $$ = append_statement($1, make_statement_type_decl($2));
349 reg_type($2, $2->name, 0);
350 }
351 | gbl_statements moduledef { $$ = append_statement($1, make_statement_module($2)); }
352 | gbl_statements librarydef { $$ = append_statement($1, make_statement_library($2)); }
353 | gbl_statements statement { $$ = append_statement($1, $2); }
354 ;
355
356 imp_statements: { $$ = NULL; }
357 | imp_statements interfacedec { $$ = append_statement($1, make_statement_reference($2)); }
358 | imp_statements interfacedef { $$ = append_statement($1, make_statement_type_decl($2)); }
359 | imp_statements coclass ';' { $$ = $1; reg_type($2, $2->name, 0); }
360 | imp_statements coclassdef { $$ = append_statement($1, make_statement_type_decl($2));
361 reg_type($2, $2->name, 0);
362 }
363 | imp_statements moduledef { $$ = append_statement($1, make_statement_module($2)); }
364 | imp_statements statement { $$ = append_statement($1, $2); }
365 | imp_statements importlib { $$ = append_statement($1, make_statement_importlib($2)); }
366 | imp_statements librarydef { $$ = append_statement($1, make_statement_library($2)); }
367 ;
368
369 int_statements: { $$ = NULL; }
370 | int_statements statement { $$ = append_statement($1, $2); }
371 ;
372
373 semicolon_opt:
374 | ';'
375 ;
376
377 statement:
378 cppquote { $$ = make_statement_cppquote($1); }
379 | typedecl ';' { $$ = make_statement_type_decl($1); }
380 | declaration ';' { $$ = make_statement_declaration($1); }
381 | import { $$ = make_statement_import($1); }
382 | typedef ';' { $$ = $1; }
383 ;
384
385 typedecl:
386 enumdef
387 | tENUM aIDENTIFIER { $$ = type_new_enum($2, FALSE, NULL); }
388 | structdef
389 | tSTRUCT aIDENTIFIER { $$ = type_new_struct($2, FALSE, NULL); }
390 | uniondef
391 | tUNION aIDENTIFIER { $$ = type_new_nonencapsulated_union($2, FALSE, NULL); }
392 | attributes enumdef { $$ = $2; $$->attrs = check_enum_attrs($1); }
393 | attributes structdef { $$ = $2; $$->attrs = check_struct_attrs($1); }
394 | attributes uniondef { $$ = $2; $$->attrs = check_union_attrs($1); }
395 ;
396
397 cppquote: tCPPQUOTE '(' aSTRING ')' { $$ = $3; }
398 ;
399 import_start: tIMPORT aSTRING ';' { assert(yychar == YYEMPTY);
400 $$ = xmalloc(sizeof(struct _import_t));
401 $$->name = $2;
402 $$->import_performed = do_import($2);
403 if (!$$->import_performed) yychar = aEOF;
404 }
405 ;
406
407 import: import_start imp_statements aEOF { $$ = $1->name;
408 if ($1->import_performed) pop_import();
409 free($1);
410 }
411 ;
412
413 importlib: tIMPORTLIB '(' aSTRING ')'
414 semicolon_opt { $$ = $3; if(!parse_only) add_importlib($3); }
415 ;
416
417 libraryhdr: tLIBRARY aIDENTIFIER { $$ = $2; }
418 ;
419 library_start: attributes libraryhdr '{' { $$ = make_library($2, check_library_attrs($2, $1));
420 if (!parse_only) start_typelib($$);
421 }
422 ;
423 librarydef: library_start imp_statements '}'
424 semicolon_opt { $$ = $1;
425 $$->stmts = $2;
426 if (!parse_only) end_typelib();
427 }
428 ;
429
430 m_args: { $$ = NULL; }
431 | args
432 ;
433
434 arg_list: arg { check_arg_attrs($1); $$ = append_var( NULL, $1 ); }
435 | arg_list ',' arg { check_arg_attrs($3); $$ = append_var( $1, $3 ); }
436 ;
437
438 args: arg_list
439 | arg_list ',' ELLIPSIS { $$ = append_var( $1, make_var(strdup("...")) ); }
440 ;
441
442 /* split into two rules to get bison to resolve a tVOID conflict */
443 arg: attributes decl_spec m_any_declarator { if ($2->stgclass != STG_NONE && $2->stgclass != STG_REGISTER)
444 error_loc("invalid storage class for function parameter\n");
445 $$ = declare_var($1, $2, $3, TRUE);
446 free($2); free($3);
447 }
448 | decl_spec m_any_declarator { if ($1->stgclass != STG_NONE && $1->stgclass != STG_REGISTER)
449 error_loc("invalid storage class for function parameter\n");
450 $$ = declare_var(NULL, $1, $2, TRUE);
451 free($1); free($2);
452 }
453 ;
454
455 array: '[' expr ']' { $$ = $2;
456 if (!$$->is_const)
457 error_loc("array dimension is not an integer constant\n");
458 }
459 | '[' '*' ']' { $$ = make_expr(EXPR_VOID); }
460 | '[' ']' { $$ = make_expr(EXPR_VOID); }
461 ;
462
463 m_attributes: { $$ = NULL; }
464 | attributes
465 ;
466
467 attributes:
468 '[' attrib_list ']' { $$ = $2; }
469 ;
470
471 attrib_list: attribute { $$ = append_attr( NULL, $1 ); }
472 | attrib_list ',' attribute { $$ = append_attr( $1, $3 ); }
473 | attrib_list ']' '[' attribute { $$ = append_attr( $1, $4 ); }
474 ;
475
476 str_list: aSTRING { $$ = append_str( NULL, $1 ); }
477 | str_list ',' aSTRING { $$ = append_str( $1, $3 ); }
478 ;
479
480 attribute: { $$ = NULL; }
481 | tAGGREGATABLE { $$ = make_attr(ATTR_AGGREGATABLE); }
482 | tANNOTATION '(' aSTRING ')' { $$ = make_attrp(ATTR_ANNOTATION, $3); }
483 | tAPPOBJECT { $$ = make_attr(ATTR_APPOBJECT); }
484 | tASYNC { $$ = make_attr(ATTR_ASYNC); }
485 | tAUTOHANDLE { $$ = make_attr(ATTR_AUTO_HANDLE); }
486 | tBINDABLE { $$ = make_attr(ATTR_BINDABLE); }
487 | tBROADCAST { $$ = make_attr(ATTR_BROADCAST); }
488 | tCALLAS '(' ident ')' { $$ = make_attrp(ATTR_CALLAS, $3); }
489 | tCASE '(' expr_list_int_const ')' { $$ = make_attrp(ATTR_CASE, $3); }
490 | tCODE { $$ = make_attr(ATTR_CODE); }
491 | tCOMMSTATUS { $$ = make_attr(ATTR_COMMSTATUS); }
492 | tCONTEXTHANDLE { $$ = make_attrv(ATTR_CONTEXTHANDLE, 0); }
493 | tCONTEXTHANDLENOSERIALIZE { $$ = make_attrv(ATTR_CONTEXTHANDLE, 0); /* RPC_CONTEXT_HANDLE_DONT_SERIALIZE */ }
494 | tCONTEXTHANDLESERIALIZE { $$ = make_attrv(ATTR_CONTEXTHANDLE, 0); /* RPC_CONTEXT_HANDLE_SERIALIZE */ }
495 | tCONTROL { $$ = make_attr(ATTR_CONTROL); }
496 | tDECODE { $$ = make_attr(ATTR_DECODE); }
497 | tDEFAULT { $$ = make_attr(ATTR_DEFAULT); }
498 | tDEFAULTBIND { $$ = make_attr(ATTR_DEFAULTBIND); }
499 | tDEFAULTCOLLELEM { $$ = make_attr(ATTR_DEFAULTCOLLELEM); }
500 | tDEFAULTVALUE '(' expr_const ')' { $$ = make_attrp(ATTR_DEFAULTVALUE, $3); }
501 | tDEFAULTVTABLE { $$ = make_attr(ATTR_DEFAULTVTABLE); }
502 | tDISABLECONSISTENCYCHECK { $$ = make_attr(ATTR_DISABLECONSISTENCYCHECK); }
503 | tDISPLAYBIND { $$ = make_attr(ATTR_DISPLAYBIND); }
504 | tDLLNAME '(' aSTRING ')' { $$ = make_attrp(ATTR_DLLNAME, $3); }
505 | tDUAL { $$ = make_attr(ATTR_DUAL); }
506 | tENABLEALLOCATE { $$ = make_attr(ATTR_ENABLEALLOCATE); }
507 | tENCODE { $$ = make_attr(ATTR_ENCODE); }
508 | tENDPOINT '(' str_list ')' { $$ = make_attrp(ATTR_ENDPOINT, $3); }
509 | tENTRY '(' expr_const ')' { $$ = make_attrp(ATTR_ENTRY, $3); }
510 | tEXPLICITHANDLE { $$ = make_attr(ATTR_EXPLICIT_HANDLE); }
511 | tFAULTSTATUS { $$ = make_attr(ATTR_FAULTSTATUS); }
512 | tFORCEALLOCATE { $$ = make_attr(ATTR_FORCEALLOCATE); }
513 | tHANDLE { $$ = make_attr(ATTR_HANDLE); }
514 | tHELPCONTEXT '(' expr_int_const ')' { $$ = make_attrp(ATTR_HELPCONTEXT, $3); }
515 | tHELPFILE '(' aSTRING ')' { $$ = make_attrp(ATTR_HELPFILE, $3); }
516 | tHELPSTRING '(' aSTRING ')' { $$ = make_attrp(ATTR_HELPSTRING, $3); }
517 | tHELPSTRINGCONTEXT '(' expr_int_const ')' { $$ = make_attrp(ATTR_HELPSTRINGCONTEXT, $3); }
518 | tHELPSTRINGDLL '(' aSTRING ')' { $$ = make_attrp(ATTR_HELPSTRINGDLL, $3); }
519 | tHIDDEN { $$ = make_attr(ATTR_HIDDEN); }
520 | tID '(' expr_int_const ')' { $$ = make_attrp(ATTR_ID, $3); }
521 | tIDEMPOTENT { $$ = make_attr(ATTR_IDEMPOTENT); }
522 | tIGNORE { $$ = make_attr(ATTR_IGNORE); }
523 | tIIDIS '(' expr ')' { $$ = make_attrp(ATTR_IIDIS, $3); }
524 | tIMMEDIATEBIND { $$ = make_attr(ATTR_IMMEDIATEBIND); }
525 | tIMPLICITHANDLE '(' arg ')' { $$ = make_attrp(ATTR_IMPLICIT_HANDLE, $3); }
526 | tIN { $$ = make_attr(ATTR_IN); }
527 | tINPUTSYNC { $$ = make_attr(ATTR_INPUTSYNC); }
528 | tLENGTHIS '(' m_exprs ')' { $$ = make_attrp(ATTR_LENGTHIS, $3); }
529 | tLCID '(' expr_int_const ')' { $$ = make_attrp(ATTR_LIBLCID, $3); }
530 | tLCID { $$ = make_attr(ATTR_PARAMLCID); }
531 | tLICENSED { $$ = make_attr(ATTR_LICENSED); }
532 | tLOCAL { $$ = make_attr(ATTR_LOCAL); }
533 | tMAYBE { $$ = make_attr(ATTR_MAYBE); }
534 | tMESSAGE { $$ = make_attr(ATTR_MESSAGE); }
535 | tNOCODE { $$ = make_attr(ATTR_NOCODE); }
536 | tNONBROWSABLE { $$ = make_attr(ATTR_NONBROWSABLE); }
537 | tNONCREATABLE { $$ = make_attr(ATTR_NONCREATABLE); }
538 | tNONEXTENSIBLE { $$ = make_attr(ATTR_NONEXTENSIBLE); }
539 | tNOTIFY { $$ = make_attr(ATTR_NOTIFY); }
540 | tNOTIFYFLAG { $$ = make_attr(ATTR_NOTIFYFLAG); }
541 | tOBJECT { $$ = make_attr(ATTR_OBJECT); }
542 | tODL { $$ = make_attr(ATTR_ODL); }
543 | tOLEAUTOMATION { $$ = make_attr(ATTR_OLEAUTOMATION); }
544 | tOPTIMIZE '(' aSTRING ')' { $$ = make_attrp(ATTR_OPTIMIZE, $3); }
545 | tOPTIONAL { $$ = make_attr(ATTR_OPTIONAL); }
546 | tOUT { $$ = make_attr(ATTR_OUT); }
547 | tPARTIALIGNORE { $$ = make_attr(ATTR_PARTIALIGNORE); }
548 | tPOINTERDEFAULT '(' pointer_type ')' { $$ = make_attrv(ATTR_POINTERDEFAULT, $3); }
549 | tPROGID '(' aSTRING ')' { $$ = make_attrp(ATTR_PROGID, $3); }
550 | tPROPGET { $$ = make_attr(ATTR_PROPGET); }
551 | tPROPPUT { $$ = make_attr(ATTR_PROPPUT); }
552 | tPROPPUTREF { $$ = make_attr(ATTR_PROPPUTREF); }
553 | tPROXY { $$ = make_attr(ATTR_PROXY); }
554 | tPUBLIC { $$ = make_attr(ATTR_PUBLIC); }
555 | tRANGE '(' expr_int_const ',' expr_int_const ')'
556 { expr_list_t *list = append_expr( NULL, $3 );
557 list = append_expr( list, $5 );
558 $$ = make_attrp(ATTR_RANGE, list); }
559 | tREADONLY { $$ = make_attr(ATTR_READONLY); }
560 | tREPRESENTAS '(' type ')' { $$ = make_attrp(ATTR_REPRESENTAS, $3); }
561 | tREQUESTEDIT { $$ = make_attr(ATTR_REQUESTEDIT); }
562 | tRESTRICTED { $$ = make_attr(ATTR_RESTRICTED); }
563 | tRETVAL { $$ = make_attr(ATTR_RETVAL); }
564 | tSIZEIS '(' m_exprs ')' { $$ = make_attrp(ATTR_SIZEIS, $3); }
565 | tSOURCE { $$ = make_attr(ATTR_SOURCE); }
566 | tSTRICTCONTEXTHANDLE { $$ = make_attr(ATTR_STRICTCONTEXTHANDLE); }
567 | tSTRING { $$ = make_attr(ATTR_STRING); }
568 | tSWITCHIS '(' expr ')' { $$ = make_attrp(ATTR_SWITCHIS, $3); }
569 | tSWITCHTYPE '(' type ')' { $$ = make_attrp(ATTR_SWITCHTYPE, $3); }
570 | tTRANSMITAS '(' type ')' { $$ = make_attrp(ATTR_TRANSMITAS, $3); }
571 | tTHREADING '(' threading_type ')' { $$ = make_attrv(ATTR_THREADING, $3); }
572 | tUIDEFAULT { $$ = make_attr(ATTR_UIDEFAULT); }
573 | tUSESGETLASTERROR { $$ = make_attr(ATTR_USESGETLASTERROR); }
574 | tUSERMARSHAL '(' type ')' { $$ = make_attrp(ATTR_USERMARSHAL, $3); }
575 | tUUID '(' uuid_string ')' { $$ = make_attrp(ATTR_UUID, $3); }
576 | tV1ENUM { $$ = make_attr(ATTR_V1ENUM); }
577 | tVARARG { $$ = make_attr(ATTR_VARARG); }
578 | tVERSION '(' version ')' { $$ = make_attrv(ATTR_VERSION, $3); }
579 | tVIPROGID '(' aSTRING ')' { $$ = make_attrp(ATTR_VIPROGID, $3); }
580 | tWIREMARSHAL '(' type ')' { $$ = make_attrp(ATTR_WIREMARSHAL, $3); }
581 | pointer_type { $$ = make_attrv(ATTR_POINTERTYPE, $1); }
582 ;
583
584 uuid_string:
585 aUUID
586 | aSTRING { if (!is_valid_uuid($1))
587 error_loc("invalid UUID: %s\n", $1);
588 $$ = parse_uuid($1); }
589 ;
590
591 callconv: tCDECL { $$ = xstrdup("__cdecl"); }
592 | tFASTCALL { $$ = xstrdup("__fastcall"); }
593 | tPASCAL { $$ = xstrdup("__pascal"); }
594 | tSTDCALL { $$ = xstrdup("__stdcall"); }
595 ;
596
597 cases: { $$ = NULL; }
598 | cases case { $$ = append_var( $1, $2 ); }
599 ;
600
601 case: tCASE expr_int_const ':' union_field { attr_t *a = make_attrp(ATTR_CASE, append_expr( NULL, $2 ));
602 $$ = $4; if (!$$) $$ = make_var(NULL);
603 $$->attrs = append_attr( $$->attrs, a );
604 }
605 | tDEFAULT ':' union_field { attr_t *a = make_attr(ATTR_DEFAULT);
606 $$ = $3; if (!$$) $$ = make_var(NULL);
607 $$->attrs = append_attr( $$->attrs, a );
608 }
609 ;
610
611 enums: { $$ = NULL; }
612 | enum_list ',' { $$ = $1; }
613 | enum_list
614 ;
615
616 enum_list: enum { if (!$1->eval)
617 $1->eval = make_exprl(EXPR_NUM, 0 /* default for first enum entry */);
618 $$ = append_var( NULL, $1 );
619 }
620 | enum_list ',' enum { if (!$3->eval)
621 {
622 var_t *last = LIST_ENTRY( list_tail($$), var_t, entry );
623 $3->eval = make_exprl(EXPR_NUM, last->eval->cval + 1);
624 }
625 $$ = append_var( $1, $3 );
626 }
627 ;
628
629 enum: ident '=' expr_int_const { $$ = reg_const($1);
630 $$->eval = $3;
631 $$->type = type_new_int(TYPE_BASIC_INT, 0);
632 }
633 | ident { $$ = reg_const($1);
634 $$->type = type_new_int(TYPE_BASIC_INT, 0);
635 }
636 ;
637
638 enumdef: tENUM t_ident '{' enums '}' { $$ = type_new_enum($2, TRUE, $4); }
639 ;
640
641 m_exprs: m_expr { $$ = append_expr( NULL, $1 ); }
642 | m_exprs ',' m_expr { $$ = append_expr( $1, $3 ); }
643 ;
644
645 m_expr: { $$ = make_expr(EXPR_VOID); }
646 | expr
647 ;
648
649 expr: aNUM { $$ = make_exprl(EXPR_NUM, $1); }
650 | aHEXNUM { $$ = make_exprl(EXPR_HEXNUM, $1); }
651 | aDOUBLE { $$ = make_exprd(EXPR_DOUBLE, $1); }
652 | tFALSE { $$ = make_exprl(EXPR_TRUEFALSE, 0); }
653 | tNULL { $$ = make_exprl(EXPR_NUM, 0); }
654 | tTRUE { $$ = make_exprl(EXPR_TRUEFALSE, 1); }
655 | aSTRING { $$ = make_exprs(EXPR_STRLIT, $1); }
656 | aWSTRING { $$ = make_exprs(EXPR_WSTRLIT, $1); }
657 | aSQSTRING { $$ = make_exprs(EXPR_CHARCONST, $1); }
658 | aIDENTIFIER { $$ = make_exprs(EXPR_IDENTIFIER, $1); }
659 | expr '?' expr ':' expr { $$ = make_expr3(EXPR_COND, $1, $3, $5); }
660 | expr LOGICALOR expr { $$ = make_expr2(EXPR_LOGOR, $1, $3); }
661 | expr LOGICALAND expr { $$ = make_expr2(EXPR_LOGAND, $1, $3); }
662 | expr '|' expr { $$ = make_expr2(EXPR_OR , $1, $3); }
663 | expr '^' expr { $$ = make_expr2(EXPR_XOR, $1, $3); }
664 | expr '&' expr { $$ = make_expr2(EXPR_AND, $1, $3); }
665 | expr EQUALITY expr { $$ = make_expr2(EXPR_EQUALITY, $1, $3); }
666 | expr INEQUALITY expr { $$ = make_expr2(EXPR_INEQUALITY, $1, $3); }
667 | expr '>' expr { $$ = make_expr2(EXPR_GTR, $1, $3); }
668 | expr '<' expr { $$ = make_expr2(EXPR_LESS, $1, $3); }
669 | expr GREATEREQUAL expr { $$ = make_expr2(EXPR_GTREQL, $1, $3); }
670 | expr LESSEQUAL expr { $$ = make_expr2(EXPR_LESSEQL, $1, $3); }
671 | expr SHL expr { $$ = make_expr2(EXPR_SHL, $1, $3); }
672 | expr SHR expr { $$ = make_expr2(EXPR_SHR, $1, $3); }
673 | expr '+' expr { $$ = make_expr2(EXPR_ADD, $1, $3); }
674 | expr '-' expr { $$ = make_expr2(EXPR_SUB, $1, $3); }
675 | expr '%' expr { $$ = make_expr2(EXPR_MOD, $1, $3); }
676 | expr '*' expr { $$ = make_expr2(EXPR_MUL, $1, $3); }
677 | expr '/' expr { $$ = make_expr2(EXPR_DIV, $1, $3); }
678 | '!' expr { $$ = make_expr1(EXPR_LOGNOT, $2); }
679 | '~' expr { $$ = make_expr1(EXPR_NOT, $2); }
680 | '+' expr %prec POS { $$ = make_expr1(EXPR_POS, $2); }
681 | '-' expr %prec NEG { $$ = make_expr1(EXPR_NEG, $2); }
682 | '&' expr %prec ADDRESSOF { $$ = make_expr1(EXPR_ADDRESSOF, $2); }
683 | '*' expr %prec PPTR { $$ = make_expr1(EXPR_PPTR, $2); }
684 | expr MEMBERPTR aIDENTIFIER { $$ = make_expr2(EXPR_MEMBER, make_expr1(EXPR_PPTR, $1), make_exprs(EXPR_IDENTIFIER, $3)); }
685 | expr '.' aIDENTIFIER { $$ = make_expr2(EXPR_MEMBER, $1, make_exprs(EXPR_IDENTIFIER, $3)); }
686 | '(' decl_spec m_abstract_declarator ')' expr %prec CAST
687 { $$ = make_exprt(EXPR_CAST, declare_var(NULL, $2, $3, 0), $5); free($2); free($3); }
688 | tSIZEOF '(' decl_spec m_abstract_declarator ')'
689 { $$ = make_exprt(EXPR_SIZEOF, declare_var(NULL, $3, $4, 0), NULL); free($3); free($4); }
690 | expr '[' expr ']' { $$ = make_expr2(EXPR_ARRAY, $1, $3); }
691 | '(' expr ')' { $$ = $2; }
692 ;
693
694 expr_list_int_const: expr_int_const { $$ = append_expr( NULL, $1 ); }
695 | expr_list_int_const ',' expr_int_const { $$ = append_expr( $1, $3 ); }
696 ;
697
698 expr_int_const: expr { $$ = $1;
699 if (!$$->is_const)
700 error_loc("expression is not an integer constant\n");
701 }
702 ;
703
704 expr_const: expr { $$ = $1;
705 if (!$$->is_const && $$->type != EXPR_STRLIT && $$->type != EXPR_WSTRLIT)
706 error_loc("expression is not constant\n");
707 }
708 ;
709
710 fields: { $$ = NULL; }
711 | fields field { $$ = append_var_list($1, $2); }
712 ;
713
714 field: m_attributes decl_spec struct_declarator_list ';'
715 { const char *first = LIST_ENTRY(list_head($3), declarator_t, entry)->var->name;
716 check_field_attrs(first, $1);
717 $$ = set_var_types($1, $2, $3);
718 }
719 | m_attributes uniondef ';' { var_t *v = make_var(NULL);
720 v->type = $2; v->attrs = $1;
721 $$ = append_var(NULL, v);
722 }
723 ;
724
725 ne_union_field:
726 s_field ';' { $$ = $1; }
727 | attributes ';' { $$ = make_var(NULL); $$->attrs = $1; }
728 ;
729
730 ne_union_fields: { $$ = NULL; }
731 | ne_union_fields ne_union_field { $$ = append_var( $1, $2 ); }
732 ;
733
734 union_field:
735 s_field ';' { $$ = $1; }
736 | ';' { $$ = NULL; }
737 ;
738
739 s_field: m_attributes decl_spec declarator { $$ = declare_var(check_field_attrs($3->var->name, $1),
740 $2, $3, FALSE);
741 free($3);
742 }
743 ;
744
745 funcdef: declaration { $$ = $1;
746 if (type_get_type($$->type) != TYPE_FUNCTION)
747 error_loc("only methods may be declared inside the methods section of a dispinterface\n");
748 check_function_attrs($$->name, $$->attrs);
749 }
750 ;
751
752 declaration:
753 attributes decl_spec init_declarator
754 { $$ = declare_var($1, $2, $3, FALSE);
755 free($3);
756 }
757 | decl_spec init_declarator { $$ = declare_var(NULL, $1, $2, FALSE);
758 free($2);
759 }
760 ;
761
762 m_ident: { $$ = NULL; }
763 | ident
764 ;
765
766 t_ident: { $$ = NULL; }
767 | aIDENTIFIER { $$ = $1; }
768 | aKNOWNTYPE { $$ = $1; }
769 ;
770
771 ident: aIDENTIFIER { $$ = make_var($1); }
772 /* some "reserved words" used in attributes are also used as field names in some MS IDL files */
773 | aKNOWNTYPE { $$ = make_var($<str>1); }
774 ;
775
776 base_type: tBYTE { $$ = find_type_or_error($<str>1, 0); }
777 | tWCHAR { $$ = find_type_or_error($<str>1, 0); }
778 | int_std
779 | tSIGNED int_std { $$ = type_new_int(type_basic_get_type($2), -1); }
780 | tUNSIGNED int_std { $$ = type_new_int(type_basic_get_type($2), 1); }
781 | tUNSIGNED { $$ = type_new_int(TYPE_BASIC_INT, 1); }
782 | tFLOAT { $$ = find_type_or_error($<str>1, 0); }
783 | tDOUBLE { $$ = find_type_or_error($<str>1, 0); }
784 | tBOOLEAN { $$ = find_type_or_error($<str>1, 0); }
785 | tERRORSTATUST { $$ = find_type_or_error($<str>1, 0); }
786 | tHANDLET { $$ = find_type_or_error($<str>1, 0); }
787 ;
788
789 m_int:
790 | tINT
791 ;
792
793 int_std: tINT { $$ = type_new_int(TYPE_BASIC_INT, 0); }
794 | tSHORT m_int { $$ = type_new_int(TYPE_BASIC_INT16, 0); }
795 | tSMALL { $$ = type_new_int(TYPE_BASIC_INT8, 0); }
796 | tLONG m_int { $$ = type_new_int(TYPE_BASIC_INT32, 0); }
797 | tHYPER m_int { $$ = type_new_int(TYPE_BASIC_HYPER, 0); }
798 | tINT64 { $$ = type_new_int(TYPE_BASIC_INT64, 0); }
799 | tCHAR { $$ = type_new_int(TYPE_BASIC_CHAR, 0); }
800 | tINT3264 { $$ = type_new_int(TYPE_BASIC_INT3264, 0); }
801 ;
802
803 coclass: tCOCLASS aIDENTIFIER { $$ = type_new_coclass($2); }
804 | tCOCLASS aKNOWNTYPE { $$ = find_type($2, 0);
805 if (type_get_type_detect_alias($$) != TYPE_COCLASS)
806 error_loc("%s was not declared a coclass at %s:%d\n",
807 $2, $$->loc_info.input_name,
808 $$->loc_info.line_number);
809 }
810 ;
811
812 coclasshdr: attributes coclass { $$ = $2;
813 check_def($$);
814 $$->attrs = check_coclass_attrs($2->name, $1);
815 }
816 ;
817
818 coclassdef: coclasshdr '{' coclass_ints '}' semicolon_opt
819 { $$ = type_coclass_define($1, $3); }
820 ;
821
822 coclass_ints: { $$ = NULL; }
823 | coclass_ints coclass_int { $$ = append_ifref( $1, $2 ); }
824 ;
825
826 coclass_int:
827 m_attributes interfacedec { $$ = make_ifref($2); $$->attrs = $1; }
828 ;
829
830 dispinterface: tDISPINTERFACE aIDENTIFIER { $$ = get_type(TYPE_INTERFACE, $2, 0); }
831 | tDISPINTERFACE aKNOWNTYPE { $$ = get_type(TYPE_INTERFACE, $2, 0); }
832 ;
833
834 dispinterfacehdr: attributes dispinterface { attr_t *attrs;
835 $$ = $2;
836 check_def($$);
837 attrs = make_attr(ATTR_DISPINTERFACE);
838 $$->attrs = append_attr( check_dispiface_attrs($2->name, $1), attrs );
839 $$->defined = TRUE;
840 }
841 ;
842
843 dispint_props: tPROPERTIES ':' { $$ = NULL; }
844 | dispint_props s_field ';' { $$ = append_var( $1, $2 ); }
845 ;
846
847 dispint_meths: tMETHODS ':' { $$ = NULL; }
848 | dispint_meths funcdef ';' { $$ = append_var( $1, $2 ); }
849 ;
850
851 dispinterfacedef: dispinterfacehdr '{'
852 dispint_props
853 dispint_meths
854 '}' { $$ = $1;
855 type_dispinterface_define($$, $3, $4);
856 }
857 | dispinterfacehdr
858 '{' interface ';' '}' { $$ = $1;
859 type_dispinterface_define_from_iface($$, $3);
860 }
861 ;
862
863 inherit: { $$ = NULL; }
864 | ':' aKNOWNTYPE { $$ = find_type_or_error2($2, 0); }
865 ;
866
867 interface: tINTERFACE aIDENTIFIER { $$ = get_type(TYPE_INTERFACE, $2, 0); }
868 | tINTERFACE aKNOWNTYPE { $$ = get_type(TYPE_INTERFACE, $2, 0); }
869 ;
870
871 interfacehdr: attributes interface { $$.interface = $2;
872 $$.old_pointer_default = pointer_default;
873 if (is_attr($1, ATTR_POINTERDEFAULT))
874 pointer_default = get_attrv($1, ATTR_POINTERDEFAULT);
875 check_def($2);
876 $2->attrs = check_iface_attrs($2->name, $1);
877 $2->defined = TRUE;
878 }
879 ;
880
881 interfacedef: interfacehdr inherit
882 '{' int_statements '}' semicolon_opt { $$ = $1.interface;
883 type_interface_define($$, $2, $4);
884 pointer_default = $1.old_pointer_default;
885 }
886 /* MIDL is able to import the definition of a base class from inside the
887 * definition of a derived class, I'll try to support it with this rule */
888 | interfacehdr ':' aIDENTIFIER
889 '{' import int_statements '}'
890 semicolon_opt { $$ = $1.interface;
891 type_interface_define($$, find_type_or_error2($3, 0), $6);
892 pointer_default = $1.old_pointer_default;
893 }
894 | dispinterfacedef semicolon_opt { $$ = $1; }
895 ;
896
897 interfacedec:
898 interface ';' { $$ = $1; }
899 | dispinterface ';' { $$ = $1; }
900 ;
901
902 module: tMODULE aIDENTIFIER { $$ = type_new_module($2); }
903 | tMODULE aKNOWNTYPE { $$ = type_new_module($2); }
904 ;
905
906 modulehdr: attributes module { $$ = $2;
907 $$->attrs = check_module_attrs($2->name, $1);
908 }
909 ;
910
911 moduledef: modulehdr '{' int_statements '}'
912 semicolon_opt { $$ = $1;
913 type_module_define($$, $3);
914 }
915 ;
916
917 storage_cls_spec:
918 tEXTERN { $$ = STG_EXTERN; }
919 | tSTATIC { $$ = STG_STATIC; }
920 | tREGISTER { $$ = STG_REGISTER; }
921 ;
922
923 function_specifier:
924 tINLINE { $$ = make_attr(ATTR_INLINE); }
925 ;
926
927 type_qualifier:
928 tCONST { $$ = make_attr(ATTR_CONST); }
929 ;
930
931 m_type_qual_list: { $$ = NULL; }
932 | m_type_qual_list type_qualifier { $$ = append_attr($1, $2); }
933 ;
934
935 decl_spec: type m_decl_spec_no_type { $$ = make_decl_spec($1, $2, NULL, NULL, STG_NONE); }
936 | decl_spec_no_type type m_decl_spec_no_type
937 { $$ = make_decl_spec($2, $1, $3, NULL, STG_NONE); }
938 ;
939
940 m_decl_spec_no_type: { $$ = NULL; }
941 | decl_spec_no_type
942 ;
943
944 decl_spec_no_type:
945 type_qualifier m_decl_spec_no_type { $$ = make_decl_spec(NULL, $2, NULL, $1, STG_NONE); }
946 | function_specifier m_decl_spec_no_type { $$ = make_decl_spec(NULL, $2, NULL, $1, STG_NONE); }
947 | storage_cls_spec m_decl_spec_no_type { $$ = make_decl_spec(NULL, $2, NULL, NULL, $1); }
948 ;
949
950 declarator:
951 '*' m_type_qual_list declarator %prec PPTR
952 { $$ = $3; $$->type = append_ptrchain_type($$->type, type_new_pointer(pointer_default, NULL, $2)); }
953 | callconv declarator { $$ = $2; if ($$->func_type) $$->func_type->attrs = append_attr($$->func_type->attrs, make_attrp(ATTR_CALLCONV, $1));
954 else if ($$->type) $$->type->attrs = append_attr($$->type->attrs, make_attrp(ATTR_CALLCONV, $1)); }
955 | direct_declarator
956 ;
957
958 direct_declarator:
959 ident { $$ = make_declarator($1); }
960 | '(' declarator ')' { $$ = $2; }
961 | direct_declarator array { $$ = $1; $$->array = append_array($$->array, $2); }
962 | direct_declarator '(' m_args ')' { $$ = $1;
963 $$->func_type = append_ptrchain_type($$->type, type_new_function($3));
964 $$->type = NULL;
965 }
966 ;
967
968 /* abstract declarator */
969 abstract_declarator:
970 '*' m_type_qual_list m_abstract_declarator %prec PPTR
971 { $$ = $3; $$->type = append_ptrchain_type($$->type, type_new_pointer(pointer_default, NULL, $2)); }
972 | callconv m_abstract_declarator { $$ = $2; if ($$->func_type) $$->func_type->attrs = append_attr($$->func_type->attrs, make_attrp(ATTR_CALLCONV, $1));
973 else if ($$->type) $$->type->attrs = append_attr($$->type->attrs, make_attrp(ATTR_CALLCONV, $1)); }
974 | abstract_direct_declarator
975 ;
976
977 /* abstract declarator without accepting direct declarator */
978 abstract_declarator_no_direct:
979 '*' m_type_qual_list m_any_declarator %prec PPTR
980 { $$ = $3; $$->type = append_ptrchain_type($$->type, type_new_pointer(pointer_default, NULL, $2)); }
981 | callconv m_any_declarator { $$ = $2; if ($$->func_type) $$->func_type->attrs = append_attr($$->func_type->attrs, make_attrp(ATTR_CALLCONV, $1));
982 else if ($$->type) $$->type->attrs = append_attr($$->type->attrs, make_attrp(ATTR_CALLCONV, $1)); }
983 ;
984
985 /* abstract declarator or empty */
986 m_abstract_declarator: { $$ = make_declarator(NULL); }
987 | abstract_declarator
988 ;
989
990 /* abstract direct declarator */
991 abstract_direct_declarator:
992 '(' abstract_declarator_no_direct ')' { $$ = $2; }
993 | abstract_direct_declarator array { $$ = $1; $$->array = append_array($$->array, $2); }
994 | array { $$ = make_declarator(NULL); $$->array = append_array($$->array, $1); }
995 | '(' m_args ')'
996 { $$ = make_declarator(NULL);
997 $$->func_type = append_ptrchain_type($$->type, type_new_function($2));
998 $$->type = NULL;
999 }
1000 | abstract_direct_declarator '(' m_args ')'
1001 { $$ = $1;
1002 $$->func_type = append_ptrchain_type($$->type, type_new_function($3));
1003 $$->type = NULL;
1004 }
1005 ;
1006
1007 /* abstract or non-abstract declarator */
1008 any_declarator:
1009 '*' m_type_qual_list m_any_declarator %prec PPTR
1010 { $$ = $3; $$->type = append_ptrchain_type($$->type, type_new_pointer(pointer_default, NULL, $2)); }
1011 | callconv m_any_declarator { $$ = $2; $$->type->attrs = append_attr($$->type->attrs, make_attrp(ATTR_CALLCONV, $1)); }
1012 | any_direct_declarator
1013 ;
1014
1015 /* abstract or non-abstract declarator without accepting direct declarator */
1016 any_declarator_no_direct:
1017 '*' m_type_qual_list m_any_declarator %prec PPTR
1018 { $$ = $3; $$->type = append_ptrchain_type($$->type, type_new_pointer(pointer_default, NULL, $2)); }
1019 | callconv m_any_declarator { $$ = $2; $$->type->attrs = append_attr($$->type->attrs, make_attrp(ATTR_CALLCONV, $1)); }
1020 ;
1021
1022 /* abstract or non-abstract declarator or empty */
1023 m_any_declarator: { $$ = make_declarator(NULL); }
1024 | any_declarator
1025 ;
1026
1027 /* abstract or non-abstract direct declarator. note: direct declarators
1028 * aren't accepted inside brackets to avoid ambiguity with the rule for
1029 * function arguments */
1030 any_direct_declarator:
1031 ident { $$ = make_declarator($1); }
1032 | '(' any_declarator_no_direct ')' { $$ = $2; }
1033 | any_direct_declarator array { $$ = $1; $$->array = append_array($$->array, $2); }
1034 | array { $$ = make_declarator(NULL); $$->array = append_array($$->array, $1); }
1035 | '(' m_args ')'
1036 { $$ = make_declarator(NULL);
1037 $$->func_type = append_ptrchain_type($$->type, type_new_function($2));
1038 $$->type = NULL;
1039 }
1040 | any_direct_declarator '(' m_args ')'
1041 { $$ = $1;
1042 $$->func_type = append_ptrchain_type($$->type, type_new_function($3));
1043 $$->type = NULL;
1044 }
1045 ;
1046
1047 declarator_list:
1048 declarator { $$ = append_declarator( NULL, $1 ); }
1049 | declarator_list ',' declarator { $$ = append_declarator( $1, $3 ); }
1050 ;
1051
1052 m_bitfield: { $$ = NULL; }
1053 | ':' expr_const { $$ = $2; }
1054 ;
1055
1056 struct_declarator: any_declarator m_bitfield { $$ = $1; $$->bits = $2;
1057 if (!$$->bits && !$$->var->name)
1058 error_loc("unnamed fields are not allowed\n");
1059 }
1060 ;
1061
1062 struct_declarator_list:
1063 struct_declarator { $$ = append_declarator( NULL, $1 ); }
1064 | struct_declarator_list ',' struct_declarator
1065 { $$ = append_declarator( $1, $3 ); }
1066 ;
1067
1068 init_declarator:
1069 declarator { $$ = $1; }
1070 | declarator '=' expr_const { $$ = $1; $1->var->eval = $3; }
1071 ;
1072
1073 threading_type:
1074 tAPARTMENT { $$ = THREADING_APARTMENT; }
1075 | tNEUTRAL { $$ = THREADING_NEUTRAL; }
1076 | tSINGLE { $$ = THREADING_SINGLE; }
1077 | tFREE { $$ = THREADING_FREE; }
1078 | tBOTH { $$ = THREADING_BOTH; }
1079 ;
1080
1081 pointer_type:
1082 tREF { $$ = RPC_FC_RP; }
1083 | tUNIQUE { $$ = RPC_FC_UP; }
1084 | tPTR { $$ = RPC_FC_FP; }
1085 ;
1086
1087 structdef: tSTRUCT t_ident '{' fields '}' { $$ = type_new_struct($2, TRUE, $4); }
1088 ;
1089
1090 type: tVOID { $$ = type_new_void(); }
1091 | aKNOWNTYPE { $$ = find_type_or_error($1, 0); }
1092 | base_type { $$ = $1; }
1093 | enumdef { $$ = $1; }
1094 | tENUM aIDENTIFIER { $$ = type_new_enum($2, FALSE, NULL); }
1095 | structdef { $$ = $1; }
1096 | tSTRUCT aIDENTIFIER { $$ = type_new_struct($2, FALSE, NULL); }
1097 | uniondef { $$ = $1; }
1098 | tUNION aIDENTIFIER { $$ = type_new_nonencapsulated_union($2, FALSE, NULL); }
1099 | tSAFEARRAY '(' type ')' { $$ = make_safearray($3); }
1100 ;
1101
1102 typedef: tTYPEDEF m_attributes decl_spec declarator_list
1103 { reg_typedefs($3, $4, check_typedef_attrs($2));
1104 $$ = make_statement_typedef($4);
1105 }
1106 ;
1107
1108 uniondef: tUNION t_ident '{' ne_union_fields '}'
1109 { $$ = type_new_nonencapsulated_union($2, TRUE, $4); }
1110 | tUNION t_ident
1111 tSWITCH '(' s_field ')'
1112 m_ident '{' cases '}' { $$ = type_new_encapsulated_union($2, $5, $7, $9); }
1113 ;
1114
1115 version:
1116 aNUM { $$ = MAKEVERSION($1, 0); }
1117 | aNUM '.' aNUM { $$ = MAKEVERSION($1, $3); }
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 && !parse_only)
1846 {
1847 if (! is_attr(attrs, ATTR_PUBLIC))
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 attrs = append_attr( attrs, make_attr(ATTR_PUBLIC) );
1853
1854 LIST_FOR_EACH_ENTRY( decl, decls, const declarator_t, entry )
1855 {
1856
1857 if (decl->var->name) {
1858 type_t *cur;
1859 var_t *name;
1860
1861 cur = find_type(decl->var->name, 0);
1862 if (cur)
1863 error_loc("%s: redefinition error; original definition was at %s:%d\n",
1864 cur->name, cur->loc_info.input_name,
1865 cur->loc_info.line_number);
1866
1867 name = declare_var(attrs, decl_spec, decl, 0);
1868 cur = type_new_alias(name->type, name->name);
1869 cur->attrs = attrs;
1870
1871 if (is_incomplete(cur))
1872 add_incomplete(cur);
1873 reg_type(cur, cur->name, 0);
1874 }
1875 }
1876 return type;
1877 }
1878
1879 type_t *find_type(const char *name, int t)
1880 {
1881 struct rtype *cur = type_hash[hash_ident(name)];
1882 while (cur && (cur->t != t || strcmp(cur->name, name)))
1883 cur = cur->next;
1884 return cur ? cur->type : NULL;
1885 }
1886
1887 static type_t *find_type_or_error(const char *name, int t)
1888 {
1889 type_t *type = find_type(name, t);
1890 if (!type) {
1891 error_loc("type '%s' not found\n", name);
1892 return NULL;
1893 }
1894 return type;
1895 }
1896
1897 static type_t *find_type_or_error2(char *name, int t)
1898 {
1899 type_t *tp = find_type_or_error(name, t);
1900 free(name);
1901 return tp;
1902 }
1903
1904 int is_type(const char *name)
1905 {
1906 return find_type(name, 0) != NULL;
1907 }
1908
1909 type_t *get_type(enum type_type type, char *name, int t)
1910 {
1911 type_t *tp;
1912 if (name) {
1913 tp = find_type(name, t);
1914 if (tp) {
1915 free(name);
1916 return tp;
1917 }
1918 }
1919 tp = make_type(type);
1920 tp->name = name;
1921 if (!name) return tp;
1922 return reg_type(tp, name, t);
1923 }
1924
1925 /***** constant repository *****/
1926
1927 struct rconst {
1928 char *name;
1929 var_t *var;
1930 struct rconst *next;
1931 };
1932
1933 struct rconst *const_hash[HASHMAX];
1934
1935 static var_t *reg_const(var_t *var)
1936 {
1937 struct rconst *nc;
1938 int hash;
1939 if (!var->name) {
1940 error_loc("registering constant without name\n");
1941 return var;
1942 }
1943 hash = hash_ident(var->name);
1944 nc = xmalloc(sizeof(struct rconst));
1945 nc->name = var->name;
1946 nc->var = var;
1947 nc->next = const_hash[hash];
1948 const_hash[hash] = nc;
1949 return var;
1950 }
1951
1952 var_t *find_const(const char *name, int f)
1953 {
1954 struct rconst *cur = const_hash[hash_ident(name)];
1955 while (cur && strcmp(cur->name, name))
1956 cur = cur->next;
1957 if (!cur) {
1958 if (f) error_loc("constant '%s' not found\n", name);
1959 return NULL;
1960 }
1961 return cur->var;
1962 }
1963
1964 static char *gen_name(void)
1965 {
1966 static const char format[] = "__WIDL_%s_generated_name_%08lX";
1967 static unsigned long n = 0;
1968 static const char *file_id;
1969 static size_t size;
1970 char *name;
1971
1972 if (! file_id)
1973 {
1974 char *dst = dup_basename(input_name, ".idl");
1975 file_id = dst;
1976
1977 for (; *dst; ++dst)
1978 if (! isalnum((unsigned char) *dst))
1979 *dst = '_';
1980
1981 size = sizeof format - 7 + strlen(file_id) + 8;
1982 }
1983
1984 name = xmalloc(size);
1985 sprintf(name, format, file_id, n++);
1986 return name;
1987 }
1988
1989 struct allowed_attr
1990 {
1991 unsigned int dce_compatible : 1;
1992 unsigned int acf : 1;
1993 unsigned int on_interface : 1;
1994 unsigned int on_function : 1;
1995 unsigned int on_arg : 1;
1996 unsigned int on_type : 1;
1997 unsigned int on_enum : 1;
1998 unsigned int on_struct : 1;
1999 unsigned int on_union : 1;
2000 unsigned int on_field : 1;
2001 unsigned int on_library : 1;
2002 unsigned int on_dispinterface : 1;
2003 unsigned int on_module : 1;
2004 unsigned int on_coclass : 1;
2005 const char *display_name;
2006 };
2007
2008 struct allowed_attr allowed_attr[] =
2009 {
2010 /* attr { D ACF I Fn ARG T En St Un Fi L DI M C <display name> } */
2011 /* ATTR_AGGREGATABLE */ { 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 1, "aggregatable" },
2012 /* ATTR_ANNOTATION */ { 0, 0, 0, 0, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, "annotation" },
2013 /* ATTR_APPOBJECT */ { 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 1, "appobject" },
2014 /* ATTR_ASYNC */ { 0, 1, 0, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, "async" },
2015 /* ATTR_AUTO_HANDLE */ { 1, 1, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, "auto_handle" },
2016 /* ATTR_BINDABLE */ { 0, 0, 0, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, "bindable" },
2017 /* ATTR_BROADCAST */ { 1, 0, 0, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, "broadcast" },
2018 /* ATTR_CALLAS */ { 0, 0, 0, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, "call_as" },
2019 /* ATTR_CALLCONV */ { 0, 0, 0, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, NULL },
2020 /* ATTR_CASE */ { 1, 0, 0, 0, 0, 0, 0, 0, 0, 1, 0, 0, 0, 0, "case" },
2021 /* ATTR_CODE */ { 0, 1, 1, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, "code" },
2022 /* ATTR_COMMSTATUS */ { 0, 0, 0, 1, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, "comm_status" },
2023 /* ATTR_CONST */ { 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, "const" },
2024 /* ATTR_CONTEXTHANDLE */ { 1, 0, 0, 0, 0, 1, 0, 0, 0, 0, 0, 0, 0, 0, "context_handle" },
2025 /* ATTR_CONTROL */ { 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 1, 0, 0, 1, "control" },
2026 /* ATTR_DECODE */ { 0, 0, 1, 1, 0, 1, 0, 0, 0, 0, 0, 0, 0, 0, "decode" },
2027 /* ATTR_DEFAULT */ { 0, 0, 1, 0, 0, 0, 0, 0, 0, 1, 0, 1, 0, 0, "default" },
2028 /* ATTR_DEFAULTBIND */ { 0, 0, 0, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, "defaultbind" },
2029 /* ATTR_DEFAULTCOLLELEM */ { 0, 0, 0, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, "defaultcollelem" },
2030 /* ATTR_DEFAULTVALUE */ { 0, 0, 0, 0, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, "defaultvalue" },
2031 /* ATTR_DEFAULTVTABLE */ { 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 1, "defaultvtable" },
2032 /* ATTR_DISABLECONSISTENCYCHECK */{ 0, 0, 0, 0, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, "disable_consistency_check" },
2033 /* ATTR_DISPINTERFACE */ { 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, NULL },
2034 /* ATTR_DISPLAYBIND */ { 0, 0, 0, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, "displaybind" },
2035 /* ATTR_DLLNAME */ { 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 1, 0, "dllname" },
2036 /* ATTR_DUAL */ { 0, 0, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, "dual" },
2037 /* ATTR_ENABLEALLOCATE */ { 0, 0, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, "enable_allocate" },
2038 /* ATTR_ENCODE */ { 0, 0, 1, 1, 0, 1, 0, 0, 0, 0, 0, 0, 0, 0, "encode" },
2039 /* ATTR_ENDPOINT */ { 1, 0, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, "endpoint" },
2040 /* ATTR_ENTRY */ { 0, 0, 0, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, "entry" },
2041 /* ATTR_EXPLICIT_HANDLE */ { 1, 1, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, "explicit_handle" },
2042 /* ATTR_FAULTSTATUS */ { 0, 0, 0, 1, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, "fault_status" },
2043 /* ATTR_FORCEALLOCATE */ { 0, 0, 0, 0, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, "force_allocate" },
2044 /* ATTR_HANDLE */ { 1, 0, 0, 0, 0, 1, 0, 0, 0, 0, 0, 0, 0, 0, "handle" },
2045 /* ATTR_HELPCONTEXT */ { 0, 0, 1, 1, 0, 1, 1, 0, 0, 0, 1, 1, 1, 1, "helpcontext" },
2046 /* ATTR_HELPFILE */ { 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 1, 0, 0, 0, "helpfile" },
2047 /* ATTR_HELPSTRING */ { 0, 0, 1, 1, 0, 1, 1, 0, 0, 0, 1, 1, 1, 1, "helpstring" },
2048 /* ATTR_HELPSTRINGCONTEXT */ { 0, 0, 1, 1, 0, 1, 1, 0, 0, 0, 1, 1, 1, 1, "helpstringcontext" },
2049 /* ATTR_HELPSTRINGDLL */ { 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 1, 0, 0, 0, "helpstringdll" },
2050 /* ATTR_HIDDEN */ { 0, 0, 1, 1, 0, 0, 0, 0, 0, 0, 1, 1, 0, 1, "hidden" },
2051 /* ATTR_ID */ { 0, 0, 0, 1, 0, 0, 0, 0, 0, 1, 0, 0, 0, 0, "id" },
2052 /* ATTR_IDEMPOTENT */ { 1, 0, 0, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, "idempotent" },
2053 /* ATTR_IGNORE */ { 0, 0, 0, 0, 0, 0, 0, 0, 0, 1, 0, 0, 0, 0, "ignore" },
2054 /* ATTR_IIDIS */ { 0, 0, 0, 0, 1, 0, 0, 0, 0, 1, 0, 0, 0, 0, "iid_is" },
2055 /* ATTR_IMMEDIATEBIND */ { 0, 0, 0, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, "immediatebind" },
2056 /* ATTR_IMPLICIT_HANDLE */ { 1, 1, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, "implicit_handle" },
2057 /* ATTR_IN */ { 0, 0, 0, 0, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, "in" },
2058 /* ATTR_INLINE */ { 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, "inline" },
2059 /* ATTR_INPUTSYNC */ { 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, "inputsync" },
2060 /* ATTR_LENGTHIS */ { 0, 0, 0, 0, 1, 0, 0, 0, 0, 1, 0, 0, 0, 0, "length_is" },
2061 /* ATTR_LIBLCID */ { 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 1, 0, 0, 0, "lcid" },
2062 /* ATTR_LICENSED */ { 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 1, "licensed" },
2063 /* ATTR_LOCAL */ { 1, 0, 1, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, "local" },
2064 /* ATTR_MAYBE */ { 0, 0, 0, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, "maybe" },
2065 /* ATTR_MESSAGE */ { 0, 0, 0, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, "message" },
2066 /* ATTR_NOCODE */ { 0, 1, 1, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, "nocode" },
2067 /* ATTR_NONBROWSABLE */ { 0, 0, 0, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, "nonbrowsable" },
2068 /* ATTR_NONCREATABLE */ { 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 1, "noncreatable" },
2069 /* ATTR_NONEXTENSIBLE */ { 0, 0, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, "nonextensible" },
2070 /* ATTR_NOTIFY */ { 0, 0, 0, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, "notify" },
2071 /* ATTR_NOTIFYFLAG */ { 0, 0, 0, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, "notify_flag" },
2072 /* ATTR_OBJECT */ { 0, 0, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, "object" },
2073 /* ATTR_ODL */ { 0, 0, 1, 0, 0, 0, 0, 0, 0, 0, 0, 1, 0, 0, "odl" },
2074 /* ATTR_OLEAUTOMATION */ { 0, 0, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, "oleautomation" },
2075 /* ATTR_OPTIMIZE */ { 0, 0, 1, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, "optimize" },
2076 /* ATTR_OPTIONAL */ { 0, 0, 0, 0, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, "optional" },
2077 /* ATTR_OUT */ { 1, 0, 0, 0, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, "out" },
2078 /* ATTR_PARAMLCID */ { 0, 0, 0, 0, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, "lcid" },
2079 /* ATTR_PARTIALIGNORE */ { 0, 0, 0, 0, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, "partial_ignore" },
2080 /* ATTR_POINTERDEFAULT */ { 1, 0, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, "pointer_default" },
2081 /* ATTR_POINTERTYPE */ { 1, 0, 0, 0, 1, 1, 0, 0, 0, 1, 0, 0, 0, 0, "ref, unique or ptr" },
2082 /* ATTR_PROGID */ { 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 1, "progid" },
2083 /* ATTR_PROPGET */ { 0, 0, 0, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, "propget" },
2084 /* ATTR_PROPPUT */ { 0, 0, 0, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, "propput" },
2085 /* ATTR_PROPPUTREF */ { 0, 0, 0, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, "propputref" },
2086 /* ATTR_PROXY */ { 0, 0, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, "proxy" },
2087 /* ATTR_PUBLIC */ { 0, 0, 0, 0, 0, 1, 0, 0, 0, 0, 0, 0, 0, 0, "public" },
2088 /* ATTR_RANGE */ { 0, 0, 0, 0, 1, 1, 1, 0, 0, 1, 0, 0, 0, 0, "range" },
2089 /* ATTR_READONLY */ { 0, 0, 0, 0, 1, 0, 0, 0, 0, 1, 0, 0, 0, 0, "readonly" },
2090 /* ATTR_REPRESENTAS */ { 1, 0, 0, 0, 0, 1, 0, 0, 0, 0, 0, 0, 0, 0, "represent_as" },
2091 /* ATTR_REQUESTEDIT */ { 0, 0, 0, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, "requestedit" },
2092 /* ATTR_RESTRICTED */ { 0, 0, 1, 1, 0, 1, 1, 1, 0, 0, 1, 1, 1, 0, "restricted" },
2093 /* ATTR_RETVAL */ { 0, 0, 0, 0, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, "retval" },
2094 /* ATTR_SIZEIS */ { 0, 0, 0, 0, 1, 0, 0, 0, 0, 1, 0, 0, 0, 0, "size_is" },
2095 /* ATTR_SOURCE */ { 0, 0, 1, 1, 0, 0, 0, 0, 0, 0, 0, 1, 0, 0, "source" },
2096 /* ATTR_STRICTCONTEXTHANDLE */ { 0, 0, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, "strict_context_handle" },
2097 /* ATTR_STRING */ { 1, 0, 0, 1, 1, 1, 0, 0, 0, 1, 0, 0, 0, 0, "string" },
2098 /* ATTR_SWITCHIS */ { 1, 0, 0, 0, 1, 0, 0, 0, 0, 1, 0, 0, 0, 0, "switch_is" },
2099 /* ATTR_SWITCHTYPE */ { 1, 0, 0, 0, 0, 1, 0, 0, 0, 1, 0, 0, 0, 0, "switch_type" },
2100 /* ATTR_THREADING */ { 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 1, "threading" },
2101 /* ATTR_TRANSMITAS */ { 1, 0, 0, 0, 0, 1, 0, 0, 0, 0, 0, 0, 0, 0, "transmit_as" },
2102 /* ATTR_UIDEFAULT */ { 0, 0, 0, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, "uidefault" },
2103 /* ATTR_USESGETLASTERROR */ { 0, 0, 0, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, "usesgetlasterror" },
2104 /* ATTR_USERMARSHAL */ { 0, 0, 0, 0, 0, 1, 0, 0, 0, 0, 0, 0, 0, 0, "user_marshal" },
2105 /* ATTR_UUID */ { 1, 0, 1, 0, 0, 1, 1, 0, 0, 0, 1, 1, 1, 1, "uuid" },
2106 /* ATTR_V1ENUM */ { 0, 0, 0, 0, 0, 1, 1, 0, 0, 0, 0, 0, 0, 0, "v1_enum" },
2107 /* ATTR_VARARG */ { 0, 0, 0, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, "vararg" },
2108 /* ATTR_VERSION */ { 1, 0, 1, 0, 0, 0, 0, 0, 0, 0, 1, 0, 0, 1, "version" },
2109 /* ATTR_VIPROGID */ { 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 1, "vi_progid" },
2110 /* ATTR_WIREMARSHAL */ { 1, 0, 0, 0, 0, 1, 0, 0, 0, 0, 0, 0, 0, 0, "wire_marshal" },
2111 };
2112
2113 const char *get_attr_display_name(enum attr_type type)
2114 {
2115 return allowed_attr[type].display_name;
2116 }
2117
2118 static attr_list_t *check_iface_attrs(const char *name, attr_list_t *attrs)
2119 {
2120 const attr_t *attr;
2121 if (!attrs) return attrs;
2122 LIST_FOR_EACH_ENTRY(attr, attrs, const attr_t, entry)
2123 {
2124 if (!allowed_attr[attr->type].on_interface)
2125 error_loc("inapplicable attribute %s for interface %s\n",
2126 allowed_attr[attr->type].display_name, name);
2127 if (attr->type == ATTR_IMPLICIT_HANDLE)
2128 {
2129 const var_t *var = attr->u.pval;
2130 if (type_get_type( var->type) == TYPE_BASIC &&
2131 type_basic_get_type( var->type ) == TYPE_BASIC_HANDLE)
2132 continue;
2133 if (is_aliaschain_attr( var->type, ATTR_HANDLE ))
2134 continue;
2135 error_loc("attribute %s requires a handle type in interface %s\n",
2136 allowed_attr[attr->type].display_name, name);
2137 }
2138 }
2139 return attrs;
2140 }
2141
2142 static attr_list_t *check_function_attrs(const char *name, attr_list_t *attrs)
2143 {
2144 const attr_t *attr;
2145 if (!attrs) return attrs;
2146 LIST_FOR_EACH_ENTRY(attr, attrs, const attr_t, entry)
2147 {
2148 if (!allowed_attr[attr->type].on_function)
2149 error_loc("inapplicable attribute %s for function %s\n",
2150 allowed_attr[attr->type].display_name, name);
2151 }
2152 return attrs;
2153 }
2154
2155 static void check_arg_attrs(const var_t *arg)
2156 {
2157 const attr_t *attr;
2158
2159 if (arg->attrs)
2160 {
2161 LIST_FOR_EACH_ENTRY(attr, arg->attrs, const attr_t, entry)
2162 {
2163 if (!allowed_attr[attr->type].on_arg)
2164 error_loc("inapplicable attribute %s for argument %s\n",
2165 allowed_attr[attr->type].display_name, arg->name);
2166 }
2167 }
2168 }
2169
2170 static attr_list_t *check_typedef_attrs(attr_list_t *attrs)
2171 {
2172 const attr_t *attr;
2173 if (!attrs) return attrs;
2174 LIST_FOR_EACH_ENTRY(attr, attrs, const attr_t, entry)
2175 {
2176 if (!allowed_attr[attr->type].on_type)
2177 error_loc("inapplicable attribute %s for typedef\n",
2178 allowed_attr[attr->type].display_name);
2179 }
2180 return attrs;
2181 }
2182
2183 static attr_list_t *check_enum_attrs(attr_list_t *attrs)
2184 {
2185 const attr_t *attr;
2186 if (!attrs) return attrs;
2187 LIST_FOR_EACH_ENTRY(attr, attrs, const attr_t, entry)
2188 {
2189 if (!allowed_attr[attr->type].on_enum)
2190 error_loc("inapplicable attribute %s for enum\n",
2191 allowed_attr[attr->type].display_name);
2192 }
2193 return attrs;
2194 }
2195
2196 static attr_list_t *check_struct_attrs(attr_list_t *attrs)
2197 {
2198 const attr_t *attr;
2199 if (!attrs) return attrs;
2200 LIST_FOR_EACH_ENTRY(attr, attrs, const attr_t, entry)
2201 {
2202 if (!allowed_attr[attr->type].on_struct)
2203 error_loc("inapplicable attribute %s for struct\n",
2204 allowed_attr[attr->type].display_name);
2205 }
2206 return attrs;
2207 }
2208
2209 static attr_list_t *check_union_attrs(attr_list_t *attrs)
2210 {
2211 const attr_t *attr;
2212 if (!attrs) return attrs;
2213 LIST_FOR_EACH_ENTRY(attr, attrs, const attr_t, entry)
2214 {
2215 if (!allowed_attr[attr->type].on_union)
2216 error_loc("inapplicable attribute %s for union\n",
2217 allowed_attr[attr->type].display_name);
2218 }
2219 return attrs;
2220 }
2221
2222 static attr_list_t *check_field_attrs(const char *name, attr_list_t *attrs)
2223 {
2224 const attr_t *attr;
2225 if (!attrs) return attrs;
2226 LIST_FOR_EACH_ENTRY(attr, attrs, const attr_t, entry)
2227 {
2228 if (!allowed_attr[attr->type].on_field)
2229 error_loc("inapplicable attribute %s for field %s\n",
2230 allowed_attr[attr->type].display_name, name);
2231 }
2232 return attrs;
2233 }
2234
2235 static attr_list_t *check_library_attrs(const char *name, attr_list_t *attrs)
2236 {
2237 const attr_t *attr;
2238 if (!attrs) return attrs;
2239 LIST_FOR_EACH_ENTRY(attr, attrs, const attr_t, entry)
2240 {
2241 if (!allowed_attr[attr->type].on_library)
2242 error_loc("inapplicable attribute %s for library %s\n",
2243 allowed_attr[attr->type].display_name, name);
2244 }
2245 return attrs;
2246 }
2247
2248 static attr_list_t *check_dispiface_attrs(const char *name, attr_list_t *attrs)
2249 {
2250 const attr_t *attr;
2251 if (!attrs) return attrs;
2252 LIST_FOR_EACH_ENTRY(attr, attrs, const attr_t, entry)
2253 {
2254 if (!allowed_attr[attr->type].on_dispinterface)
2255 error_loc("inapplicable attribute %s for dispinterface %s\n",
2256 allowed_attr[attr->type].display_name, name);
2257 }
2258 return attrs;
2259 }
2260
2261 static attr_list_t *check_module_attrs(const char *name, attr_list_t *attrs)
2262 {
2263 const attr_t *attr;
2264 if (!attrs) return attrs;
2265 LIST_FOR_EACH_ENTRY(attr, attrs, const attr_t, entry)
2266 {
2267 if (!allowed_attr[attr->type].on_module)
2268 error_loc("inapplicable attribute %s for module %s\n",
2269 allowed_attr[attr->type].display_name, name);
2270 }
2271 return attrs;
2272 }
2273
2274 static attr_list_t *check_coclass_attrs(const char *name, attr_list_t *attrs)
2275 {
2276 const attr_t *attr;
2277 if (!attrs) return attrs;
2278 LIST_FOR_EACH_ENTRY(attr, attrs, const attr_t, entry)
2279 {
2280 if (!allowed_attr[attr->type].on_coclass)
2281 error_loc("inapplicable attribute %s for coclass %s\n",
2282 allowed_attr[attr->type].display_name, name);
2283 }
2284 return attrs;
2285 }
2286
2287 static int is_allowed_conf_type(const type_t *type)
2288 {
2289 switch (type_get_type(type))
2290 {
2291 case TYPE_ENUM:
2292 return TRUE;
2293 case TYPE_BASIC:
2294 switch (type_basic_get_type(type))
2295 {
2296 case TYPE_BASIC_INT8:
2297 case TYPE_BASIC_INT16:
2298 case TYPE_BASIC_INT32:
2299 case TYPE_BASIC_INT64:
2300 case TYPE_BASIC_INT:
2301 case TYPE_BASIC_CHAR:
2302 case TYPE_BASIC_HYPER:
2303 case TYPE_BASIC_BYTE:
2304 case TYPE_BASIC_WCHAR:
2305 return TRUE;
2306 default:
2307 return FALSE;
2308 }
2309 case TYPE_ALIAS:
2310 /* shouldn't get here because of type_get_type call above */
2311 assert(0);
2312 /* fall through */
2313 case TYPE_STRUCT:
2314 case TYPE_UNION:
2315 case TYPE_ENCAPSULATED_UNION:
2316 case TYPE_ARRAY:
2317 case TYPE_POINTER:
2318 case TYPE_VOID:
2319 case TYPE_MODULE:
2320 case TYPE_COCLASS:
2321 case TYPE_FUNCTION:
2322 case TYPE_INTERFACE:
2323 case TYPE_BITFIELD:
2324 return FALSE;
2325 }
2326 return FALSE;
2327 }
2328
2329 static int is_ptr_guid_type(const type_t *type)
2330 {
2331 /* first, make sure it is a pointer to something */
2332 if (!is_ptr(type)) return FALSE;
2333
2334 /* second, make sure it is a pointer to something of size sizeof(GUID),
2335 * i.e. 16 bytes */
2336 return (type_memsize(type_pointer_get_ref(type)) == 16);
2337 }
2338
2339 static void check_conformance_expr_list(const char *attr_name, const var_t *arg, const type_t *container_type, expr_list_t *expr_list)
2340 {
2341 expr_t *dim;
2342 struct expr_loc expr_loc;
2343 expr_loc.v = arg;
2344 expr_loc.attr = attr_name;
2345 if (expr_list) LIST_FOR_EACH_ENTRY(dim, expr_list, expr_t, entry)
2346 {
2347 if (dim->type != EXPR_VOID)
2348 {
2349 const type_t *expr_type = expr_resolve_type(&expr_loc, container_type, dim);
2350 if (!is_allowed_conf_type(expr_type))
2351 error_loc_info(&arg->loc_info, "expression must resolve to integral type <= 32bits for attribute %s\n",
2352 attr_name);
2353 }
2354 }
2355 }
2356
2357 static void check_remoting_fields(const var_t *var, type_t *type);
2358
2359 /* checks that properties common to fields and arguments are consistent */
2360 static void check_field_common(const type_t *container_type,
2361 const char *container_name, const var_t *arg)
2362 {
2363 type_t *type = arg->type;
2364 int more_to_do;
2365 const char *container_type_name;
2366 const char *var_type;
2367
2368 switch (type_get_type(container_type))
2369 {
2370 case TYPE_STRUCT:
2371 container_type_name = "struct";
2372 var_type = "field";
2373 break;
2374 case TYPE_UNION:
2375 container_type_name = "union";
2376 var_type = "arm";
2377 break;
2378 case TYPE_ENCAPSULATED_UNION:
2379 container_type_name = "encapsulated union";
2380 var_type = "arm";
2381 break;
2382 case TYPE_FUNCTION:
2383 container_type_name = "function";
2384 var_type = "parameter";
2385 break;
2386 default:
2387 /* should be no other container types */
2388 assert(0);
2389 return;
2390 }
2391
2392 if (is_attr(arg->attrs, ATTR_LENGTHIS) &&
2393 (is_attr(arg->attrs, ATTR_STRING) || is_aliaschain_attr(arg->type, ATTR_STRING)))
2394 error_loc_info(&arg->loc_info,
2395 "string and length_is specified for argument %s are mutually exclusive attributes\n",
2396 arg->name);
2397
2398 if (is_attr(arg->attrs, ATTR_SIZEIS))
2399 {
2400 expr_list_t *size_is_exprs = get_attrp(arg->attrs, ATTR_SIZEIS);
2401 check_conformance_expr_list("size_is", arg, container_type, size_is_exprs);
2402 }
2403 if (is_attr(arg->attrs, ATTR_LENGTHIS))
2404 {
2405 expr_list_t *length_is_exprs = get_attrp(arg->attrs, ATTR_LENGTHIS);
2406 check_conformance_expr_list("length_is", arg, container_type, length_is_exprs);
2407 }
2408 if (is_attr(arg->attrs, ATTR_IIDIS))
2409 {
2410 struct expr_loc expr_loc;
2411 expr_t *expr = get_attrp(arg->attrs, ATTR_IIDIS);
2412 if (expr->type != EXPR_VOID)
2413 {
2414 const type_t *expr_type;
2415 expr_loc.v = arg;
2416 expr_loc.attr = "iid_is";
2417 expr_type = expr_resolve_type(&expr_loc, container_type, expr);
2418 if (!expr_type || !is_ptr_guid_type(expr_type))
2419 error_loc_info(&arg->loc_info, "expression must resolve to pointer to GUID type for attribute iid_is\n");
2420 }
2421 }
2422 if (is_attr(arg->attrs, ATTR_SWITCHIS))
2423 {
2424 struct expr_loc expr_loc;
2425 expr_t *expr = get_attrp(arg->attrs, ATTR_SWITCHIS);
2426 if (expr->type != EXPR_VOID)
2427 {
2428 const type_t *expr_type;
2429 expr_loc.v = arg;
2430 expr_loc.attr = "switch_is";
2431 expr_type = expr_resolve_type(&expr_loc, container_type, expr);
2432 if (!expr_type || !is_allowed_conf_type(expr_type))
2433 error_loc_info(&arg->loc_info, "expression must resolve to integral type <= 32bits for attribute %s\n",
2434 expr_loc.attr);
2435 }
2436 }
2437
2438 do
2439 {
2440 more_to_do = FALSE;
2441
2442 switch (typegen_detect_type(type, arg->attrs, TDT_IGNORE_STRINGS))
2443 {
2444 case TGT_STRUCT:
2445 case TGT_UNION:
2446 check_remoting_fields(arg, type);
2447 break;
2448 case TGT_INVALID:
2449 {
2450 const char *reason = "is invalid";
2451 switch (type_get_type(type))
2452 {
2453 case TYPE_VOID:
2454 reason = "cannot derive from void *";
2455 break;
2456 case TYPE_FUNCTION:
2457 reason = "cannot be a function pointer";
2458 break;
2459 case TYPE_BITFIELD:
2460 reason = "cannot be a bit-field";
2461 break;
2462 case TYPE_COCLASS:
2463 reason = "cannot be a class";
2464 break;
2465 case TYPE_INTERFACE:
2466 reason = "cannot be a non-pointer to an interface";
2467 break;
2468 case TYPE_MODULE:
2469 reason = "cannot be a module";
2470 break;
2471 default:
2472 break;
2473 }
2474 error_loc_info(&arg->loc_info, "%s \'%s\' of %s \'%s\' %s\n",
2475 var_type, arg->name, container_type_name, container_name, reason);
2476 break;
2477 }
2478 case TGT_CTXT_HANDLE:
2479 case TGT_CTXT_HANDLE_POINTER:
2480 if (type_get_type(container_type) != TYPE_FUNCTION)
2481 error_loc_info(&arg->loc_info,
2482 "%s \'%s\' of %s \'%s\' cannot be a context handle\n",
2483 var_type, arg->name, container_type_name,
2484 container_name);
2485 break;
2486 case TGT_STRING:
2487 {
2488 const type_t *t = type;
2489 while (is_ptr(t))
2490 t = type_pointer_get_ref(t);
2491 if (is_aliaschain_attr(t, ATTR_RANGE))
2492 warning_loc_info(&arg->loc_info, "%s: range not verified for a string of ranged types\n", arg->name);
2493 break;
2494 }
2495 case TGT_POINTER:
2496 type = type_pointer_get_ref(type);
2497 more_to_do = TRUE;
2498 break;
2499 case TGT_ARRAY:
2500 type = type_array_get_element(type);
2501 more_to_do = TRUE;
2502 break;
2503 case TGT_USER_TYPE:
2504 case TGT_IFACE_POINTER:
2505 case TGT_BASIC:
2506 case TGT_ENUM:
2507 case TGT_RANGE:
2508 /* nothing to do */
2509 break;
2510 }
2511 } while (more_to_do);
2512 }
2513
2514 static void check_remoting_fields(const var_t *var, type_t *type)
2515 {
2516 const var_t *field;
2517 const var_list_t *fields = NULL;
2518
2519 type = type_get_real_type(type);
2520
2521 if (type->checked)
2522 return;
2523
2524 type->checked = TRUE;
2525
2526 if (type_get_type(type) == TYPE_STRUCT)
2527 {
2528 if (type_is_complete(type))
2529 fields = type_struct_get_fields(type);
2530 else
2531 error_loc_info(&var->loc_info, "undefined type declaration %s\n", type->name);
2532 }
2533 else if (type_get_type(type) == TYPE_UNION || type_get_type(type) == TYPE_ENCAPSULATED_UNION)
2534 fields = type_union_get_cases(type);
2535
2536 if (fields) LIST_FOR_EACH_ENTRY( field, fields, const var_t, entry )
2537 if (field->type) check_field_common(type, type->name, field);
2538 }
2539
2540 /* checks that arguments for a function make sense for marshalling and unmarshalling */
2541 static void check_remoting_args(const var_t *func)
2542 {
2543 const char *funcname = func->name;
2544 const var_t *arg;
2545
2546 if (func->type->details.function->args) LIST_FOR_EACH_ENTRY( arg, func->type->details.function->args, const var_t, entry )
2547 {
2548 const type_t *type = arg->type;
2549
2550 /* check that [out] parameters have enough pointer levels */
2551 if (is_attr(arg->attrs, ATTR_OUT))
2552 {
2553 switch (typegen_detect_type(type, arg->attrs, TDT_ALL_TYPES))
2554 {
2555 case TGT_BASIC:
2556 case TGT_ENUM:
2557 case TGT_RANGE:
2558 case TGT_STRUCT:
2559 case TGT_UNION:
2560 case TGT_CTXT_HANDLE:
2561 case TGT_USER_TYPE:
2562 error_loc_info(&arg->loc_info, "out parameter \'%s\' of function \'%s\' is not a pointer\n", arg->name, funcname);
2563 break;
2564 case TGT_IFACE_POINTER:
2565 error_loc_info(&arg->loc_info, "out interface pointer \'%s\' of function \'%s\' is not a double pointer\n", arg->name, funcname);
2566 break;
2567 case TGT_STRING:
2568 if (is_array(type))
2569 {
2570 /* needs conformance or fixed dimension */
2571 if (type_array_has_conformance(type) &&
2572 type_array_get_conformance(type)->type != EXPR_VOID) break;
2573 if (!type_array_has_conformance(type) && type_array_get_dim(type)) break;
2574 }
2575 if (is_attr( arg->attrs, ATTR_IN )) break;
2576 error_loc_info(&arg->loc_info, "out parameter \'%s\' of function \'%s\' cannot be an unsized string\n", arg->name, funcname);
2577 break;
2578 case TGT_INVALID:
2579 /* already error'd before we get here */
2580 case TGT_CTXT_HANDLE_POINTER:
2581 case TGT_POINTER:
2582 case TGT_ARRAY:
2583 /* OK */
2584 break;
2585 }
2586 }
2587
2588 check_field_common(func->type, funcname, arg);
2589 }
2590
2591 if (type_get_type(type_function_get_rettype(func->type)) != TYPE_VOID)
2592 {
2593 var_t var;
2594 var = *func;
2595 var.type = type_function_get_rettype(func->type);
2596 var.name = xstrdup("return value");
2597 check_field_common(func->type, funcname, &var);
2598 free(var.name);
2599 }
2600 }
2601
2602 static void add_explicit_handle_if_necessary(const type_t *iface, var_t *func)
2603 {
2604 unsigned char explicit_fc, implicit_fc;
2605
2606 /* check for a defined binding handle */
2607 if (!get_func_handle_var( iface, func, &explicit_fc, &implicit_fc ) || !explicit_fc)
2608 {
2609 /* no explicit handle specified so add
2610 * "[in] handle_t IDL_handle" as the first parameter to the
2611 * function */
2612 var_t *idl_handle = make_var(xstrdup("IDL_handle"));
2613 idl_handle->attrs = append_attr(NULL, make_attr(ATTR_IN));
2614 idl_handle->type = find_type_or_error("handle_t", 0);
2615 type_function_add_head_arg(func->type, idl_handle);
2616 }
2617 }
2618
2619 static void check_functions(const type_t *iface, int is_inside_library)
2620 {
2621 const statement_t *stmt;
2622 if (is_attr(iface->attrs, ATTR_EXPLICIT_HANDLE))
2623 {
2624 STATEMENTS_FOR_EACH_FUNC( stmt, type_iface_get_stmts(iface) )
2625 {
2626 var_t *func = stmt->u.var;
2627 add_explicit_handle_if_necessary(iface, func);
2628 }
2629 }
2630 if (!is_inside_library && !is_attr(iface->attrs, ATTR_LOCAL))
2631 {
2632 STATEMENTS_FOR_EACH_FUNC( stmt, type_iface_get_stmts(iface) )
2633 {
2634 const var_t *func = stmt->u.var;
2635 if (!is_attr(func->attrs, ATTR_LOCAL))
2636 check_remoting_args(func);
2637 }
2638 }
2639 }
2640
2641 static void check_statements(const statement_list_t *stmts, int is_inside_library)
2642 {
2643 const statement_t *stmt;
2644
2645 if (stmts) LIST_FOR_EACH_ENTRY(stmt, stmts, const statement_t, entry)
2646 {
2647 if (stmt->type == STMT_LIBRARY)
2648 check_statements(stmt->u.lib->stmts, TRUE);
2649 else if (stmt->type == STMT_TYPE && type_get_type(stmt->u.type) == TYPE_INTERFACE)
2650 check_functions(stmt->u.type, is_inside_library);
2651 }
2652 }
2653
2654 static void check_all_user_types(const statement_list_t *stmts)
2655 {
2656 const statement_t *stmt;
2657
2658 if (stmts) LIST_FOR_EACH_ENTRY(stmt, stmts, const statement_t, entry)
2659 {
2660 if (stmt->type == STMT_LIBRARY)
2661 check_all_user_types(stmt->u.lib->stmts);
2662 else if (stmt->type == STMT_TYPE && type_get_type(stmt->u.type) == TYPE_INTERFACE &&
2663 !is_local(stmt->u.type->attrs))
2664 {
2665 const statement_t *stmt_func;
2666 STATEMENTS_FOR_EACH_FUNC(stmt_func, type_iface_get_stmts(stmt->u.type)) {
2667 const var_t *func = stmt_func->u.var;
2668 check_for_additional_prototype_types(func->type->details.function->args);
2669 }
2670 }
2671 }
2672 }
2673
2674 int is_valid_uuid(const char *s)
2675 {
2676 int i;
2677
2678 for (i = 0; i < 36; ++i)
2679 if (i == 8 || i == 13 || i == 18 || i == 23)
2680 {
2681 if (s[i] != '-')
2682 return FALSE;
2683 }
2684 else
2685 if (!isxdigit(s[i]))
2686 return FALSE;
2687
2688 return s[i] == '\0';
2689 }
2690
2691 static statement_t *make_statement(enum statement_type type)
2692 {
2693 statement_t *stmt = xmalloc(sizeof(*stmt));
2694 stmt->type = type;
2695 return stmt;
2696 }
2697
2698 static statement_t *make_statement_type_decl(type_t *type)
2699 {
2700 statement_t *stmt = make_statement(STMT_TYPE);
2701 stmt->u.type = type;
2702 return stmt;
2703 }
2704
2705 static statement_t *make_statement_reference(type_t *type)
2706 {
2707 statement_t *stmt = make_statement(STMT_TYPEREF);
2708 stmt->u.type = type;
2709 return stmt;
2710 }
2711
2712 static statement_t *make_statement_declaration(var_t *var)
2713 {
2714 statement_t *stmt = make_statement(STMT_DECLARATION);
2715 stmt->u.var = var;
2716 if (var->stgclass == STG_EXTERN && var->eval)
2717 warning("'%s' initialised and declared extern\n", var->name);
2718 if (is_const_decl(var))
2719 {
2720 if (var->eval)
2721 reg_const(var);
2722 }
2723 else if (type_get_type(var->type) == TYPE_FUNCTION)
2724 check_function_attrs(var->name, var->attrs);
2725 else if (var->stgclass == STG_NONE || var->stgclass == STG_REGISTER)
2726 error_loc("instantiation of data is illegal\n");
2727 return stmt;
2728 }
2729
2730 static statement_t *make_statement_library(typelib_t *typelib)
2731 {
2732 statement_t *stmt = make_statement(STMT_LIBRARY);
2733 stmt->u.lib = typelib;
2734 return stmt;
2735 }
2736
2737 static statement_t *make_statement_cppquote(const char *str)
2738 {
2739 statement_t *stmt = make_statement(STMT_CPPQUOTE);
2740 stmt->u.str = str;
2741 return stmt;
2742 }
2743
2744 static statement_t *make_statement_importlib(const char *str)
2745 {
2746 statement_t *stmt = make_statement(STMT_IMPORTLIB);
2747 stmt->u.str = str;
2748 return stmt;
2749 }
2750
2751 static statement_t *make_statement_import(const char *str)
2752 {
2753 statement_t *stmt = make_statement(STMT_IMPORT);
2754 stmt->u.str = str;
2755 return stmt;
2756 }
2757
2758 static statement_t *make_statement_module(type_t *type)
2759 {
2760 statement_t *stmt = make_statement(STMT_MODULE);
2761 stmt->u.type = type;
2762 return stmt;
2763 }
2764
2765 static statement_t *make_statement_typedef(declarator_list_t *decls)
2766 {
2767 declarator_t *decl, *next;
2768 statement_t *stmt;
2769 type_list_t **type_list;
2770
2771 if (!decls) return NULL;
2772
2773 stmt = make_statement(STMT_TYPEDEF);
2774 stmt->u.type_list = NULL;
2775 type_list = &stmt->u.type_list;
2776
2777 LIST_FOR_EACH_ENTRY_SAFE( decl, next, decls, declarator_t, entry )
2778 {
2779 var_t *var = decl->var;
2780 type_t *type = find_type_or_error(var->name, 0);
2781 *type_list = xmalloc(sizeof(type_list_t));
2782 (*type_list)->type = type;
2783 (*type_list)->next = NULL;
2784
2785 type_list = &(*type_list)->next;
2786 free(decl);
2787 free(var);
2788 }
2789
2790 return stmt;
2791 }
2792
2793 static statement_list_t *append_statement(statement_list_t *list, statement_t *stmt)
2794 {
2795 if (!stmt) return list;
2796 if (!list)
2797 {
2798 list = xmalloc( sizeof(*list) );
2799 list_init( list );
2800 }
2801 list_add_tail( list, &stmt->entry );
2802 return list;
2803 }
2804
2805 void init_loc_info(loc_info_t *i)
2806 {
2807 i->input_name = input_name ? input_name : "stdin";
2808 i->line_number = line_number;
2809 i->near_text = parser_text;
2810 }
2811
2812 static void check_def(const type_t *t)
2813 {
2814 if (t->defined)
2815 error_loc("%s: redefinition error; original definition was at %s:%d\n",
2816 t->name, t->loc_info.input_name, t->loc_info.line_number);
2817 }
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