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push 8079c4124d1355f652d7dbd6f1862eb95d83e2de
[wine/hacks.git] / tools / widl / parser.y
blobfe3db868fd3f15f9bc1e4465fcf25d74b0ad84af
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 static int is_object_interface = FALSE;
70
71 typedef struct list typelist_t;
72 struct typenode {
73 type_t *type;
74 struct list entry;
75 };
76
77 struct _import_t
78 {
79 char *name;
80 int import_performed;
81 };
82
83 typedef struct _decl_spec_t
84 {
85 type_t *type;
86 attr_list_t *attrs;
87 enum storage_class stgclass;
88 } decl_spec_t;
89
90 typelist_t incomplete_types = LIST_INIT(incomplete_types);
91
92 static void fix_incomplete(void);
93 static void fix_incomplete_types(type_t *complete_type);
94
95 static str_list_t *append_str(str_list_t *list, char *str);
96 static attr_list_t *append_attr(attr_list_t *list, attr_t *attr);
97 static attr_list_t *append_attr_list(attr_list_t *new_list, attr_list_t *old_list);
98 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);
99 static attr_t *make_attr(enum attr_type type);
100 static attr_t *make_attrv(enum attr_type type, unsigned long val);
101 static attr_t *make_attrp(enum attr_type type, void *val);
102 static expr_list_t *append_expr(expr_list_t *list, expr_t *expr);
103 static array_dims_t *append_array(array_dims_t *list, expr_t *expr);
104 static void set_type(var_t *v, decl_spec_t *decl_spec, const declarator_t *decl, int top);
105 static var_list_t *set_var_types(attr_list_t *attrs, decl_spec_t *decl_spec, declarator_list_t *decls);
106 static ifref_list_t *append_ifref(ifref_list_t *list, ifref_t *iface);
107 static ifref_t *make_ifref(type_t *iface);
108 static var_list_t *append_var_list(var_list_t *list, var_list_t *vars);
109 static declarator_list_t *append_declarator(declarator_list_t *list, declarator_t *p);
110 static declarator_t *make_declarator(var_t *var);
111 static func_list_t *append_func(func_list_t *list, func_t *func);
112 static func_t *make_func(var_t *def);
113 static type_t *make_safearray(type_t *type);
114 static typelib_t *make_library(const char *name, const attr_list_t *attrs);
115 static type_t *append_ptrchain_type(type_t *ptrchain, type_t *type);
116
117 static type_t *reg_typedefs(decl_spec_t *decl_spec, var_list_t *names, attr_list_t *attrs);
118 static type_t *find_type_or_error(const char *name, int t);
119 static type_t *find_type_or_error2(char *name, int t);
120
121 static var_t *reg_const(var_t *var);
122
123 static char *gen_name(void);
124 static void check_arg(var_t *arg);
125 static void check_statements(const statement_list_t *stmts, int is_inside_library);
126 static void check_all_user_types(const statement_list_t *stmts);
127 static attr_list_t *check_iface_attrs(const char *name, attr_list_t *attrs);
128 static attr_list_t *check_function_attrs(const char *name, attr_list_t *attrs);
129 static attr_list_t *check_typedef_attrs(attr_list_t *attrs);
130 static attr_list_t *check_enum_attrs(attr_list_t *attrs);
131 static attr_list_t *check_struct_attrs(attr_list_t *attrs);
132 static attr_list_t *check_union_attrs(attr_list_t *attrs);
133 static attr_list_t *check_field_attrs(const char *name, attr_list_t *attrs);
134 static attr_list_t *check_library_attrs(const char *name, attr_list_t *attrs);
135 static attr_list_t *check_dispiface_attrs(const char *name, attr_list_t *attrs);
136 static attr_list_t *check_module_attrs(const char *name, attr_list_t *attrs);
137 static attr_list_t *check_coclass_attrs(const char *name, attr_list_t *attrs);
138 const char *get_attr_display_name(enum attr_type type);
139 static void add_explicit_handle_if_necessary(var_t *func);
140 static void check_def(const type_t *t);
141
142 static statement_t *make_statement(enum statement_type type);
143 static statement_t *make_statement_type_decl(type_t *type);
144 static statement_t *make_statement_reference(type_t *type);
145 static statement_t *make_statement_declaration(var_t *var);
146 static statement_t *make_statement_library(typelib_t *typelib);
147 static statement_t *make_statement_cppquote(const char *str);
148 static statement_t *make_statement_importlib(const char *str);
149 static statement_t *make_statement_module(type_t *type);
150 static statement_t *make_statement_typedef(var_list_t *names);
151 static statement_t *make_statement_import(const char *str);
152 static statement_t *make_statement_typedef(var_list_t *names);
153 static statement_list_t *append_statement(statement_list_t *list, statement_t *stmt);
154
155 %}
156 %union {
157 attr_t *attr;
158 attr_list_t *attr_list;
159 str_list_t *str_list;
160 expr_t *expr;
161 expr_list_t *expr_list;
162 array_dims_t *array_dims;
163 type_t *type;
164 var_t *var;
165 var_list_t *var_list;
166 declarator_t *declarator;
167 declarator_list_t *declarator_list;
168 func_t *func;
169 func_list_t *func_list;
170 statement_t *statement;
171 statement_list_t *stmt_list;
172 ifref_t *ifref;
173 ifref_list_t *ifref_list;
174 char *str;
175 UUID *uuid;
176 unsigned int num;
177 double dbl;
178 interface_info_t ifinfo;
179 typelib_t *typelib;
180 struct _import_t *import;
181 struct _decl_spec_t *declspec;
182 enum storage_class stgclass;
183 }
184
185 %token <str> aIDENTIFIER
186 %token <str> aKNOWNTYPE
187 %token <num> aNUM aHEXNUM
188 %token <dbl> aDOUBLE
189 %token <str> aSTRING aWSTRING
190 %token <uuid> aUUID
191 %token aEOF
192 %token SHL SHR
193 %token MEMBERPTR
194 %token EQUALITY INEQUALITY
195 %token GREATEREQUAL LESSEQUAL
196 %token LOGICALOR LOGICALAND
197 %token tAGGREGATABLE tALLOCATE tAPPOBJECT tASYNC tASYNCUUID
198 %token tAUTOHANDLE tBINDABLE tBOOLEAN tBROADCAST tBYTE tBYTECOUNT
199 %token tCALLAS tCALLBACK tCASE tCDECL tCHAR tCOCLASS tCODE tCOMMSTATUS
200 %token tCONST tCONTEXTHANDLE tCONTEXTHANDLENOSERIALIZE
201 %token tCONTEXTHANDLESERIALIZE tCONTROL tCPPQUOTE
202 %token tDEFAULT
203 %token tDEFAULTCOLLELEM
204 %token tDEFAULTVALUE
205 %token tDEFAULTVTABLE
206 %token tDISPLAYBIND
207 %token tDISPINTERFACE
208 %token tDLLNAME tDOUBLE tDUAL
209 %token tENDPOINT
210 %token tENTRY tENUM tERRORSTATUST
211 %token tEXPLICITHANDLE tEXTERN
212 %token tFALSE
213 %token tFASTCALL
214 %token tFLOAT
215 %token tHANDLE
216 %token tHANDLET
217 %token tHELPCONTEXT tHELPFILE
218 %token tHELPSTRING tHELPSTRINGCONTEXT tHELPSTRINGDLL
219 %token tHIDDEN
220 %token tHYPER tID tIDEMPOTENT
221 %token tIIDIS
222 %token tIMMEDIATEBIND
223 %token tIMPLICITHANDLE
224 %token tIMPORT tIMPORTLIB
225 %token tIN tIN_LINE tINLINE
226 %token tINPUTSYNC
227 %token tINT tINT64
228 %token tINTERFACE
229 %token tLCID
230 %token tLENGTHIS tLIBRARY
231 %token tLOCAL
232 %token tLONG
233 %token tMETHODS
234 %token tMODULE
235 %token tNONBROWSABLE
236 %token tNONCREATABLE
237 %token tNONEXTENSIBLE
238 %token tNULL
239 %token tOBJECT tODL tOLEAUTOMATION
240 %token tOPTIONAL
241 %token tOUT
242 %token tPASCAL
243 %token tPOINTERDEFAULT
244 %token tPROPERTIES
245 %token tPROPGET tPROPPUT tPROPPUTREF
246 %token tPTR
247 %token tPUBLIC
248 %token tRANGE
249 %token tREADONLY tREF
250 %token tREGISTER
251 %token tREQUESTEDIT
252 %token tRESTRICTED
253 %token tRETVAL
254 %token tSAFEARRAY
255 %token tSHORT
256 %token tSIGNED
257 %token tSIZEIS tSIZEOF
258 %token tSMALL
259 %token tSOURCE
260 %token tSTATIC
261 %token tSTDCALL
262 %token tSTRICTCONTEXTHANDLE
263 %token tSTRING tSTRUCT
264 %token tSWITCH tSWITCHIS tSWITCHTYPE
265 %token tTRANSMITAS
266 %token tTRUE
267 %token tTYPEDEF
268 %token tUNION
269 %token tUNIQUE
270 %token tUNSIGNED
271 %token tUUID
272 %token tV1ENUM
273 %token tVARARG
274 %token tVERSION
275 %token tVOID
276 %token tWCHAR tWIREMARSHAL
277
278 %type <attr> attribute type_qualifier function_specifier
279 %type <attr_list> m_attributes attributes attrib_list m_type_qual_list
280 %type <str_list> str_list
281 %type <expr> m_expr expr expr_const expr_int_const array
282 %type <expr_list> m_exprs /* exprs expr_list */ expr_list_int_const
283 %type <ifinfo> interfacehdr
284 %type <stgclass> storage_cls_spec
285 %type <declspec> decl_spec decl_spec_no_type m_decl_spec_no_type
286 %type <type> inherit interface interfacedef interfacedec
287 %type <type> dispinterface dispinterfacehdr dispinterfacedef
288 %type <type> module modulehdr moduledef
289 %type <type> base_type int_std
290 %type <type> enumdef structdef uniondef typedecl
291 %type <type> type
292 %type <ifref> coclass_int
293 %type <ifref_list> coclass_ints
294 %type <var> arg ne_union_field union_field s_field case enum declaration
295 %type <var_list> m_args no_args args fields ne_union_fields cases enums enum_list dispint_props field
296 %type <var> m_ident ident
297 %type <declarator> declarator direct_declarator init_declarator
298 %type <declarator_list> declarator_list
299 %type <func> funcdef
300 %type <type> coclass coclasshdr coclassdef
301 %type <num> pointer_type version
302 %type <str> libraryhdr callconv cppquote importlib import t_ident
303 %type <uuid> uuid_string
304 %type <import> import_start
305 %type <typelib> library_start librarydef
306 %type <statement> statement typedef
307 %type <stmt_list> gbl_statements imp_statements int_statements dispint_meths
308
309 %left ','
310 %right '?' ':'
311 %left LOGICALOR
312 %left LOGICALAND
313 %left '|'
314 %left '^'
315 %left '&'
316 %left EQUALITY INEQUALITY
317 %left '<' '>' LESSEQUAL GREATEREQUAL
318 %left SHL SHR
319 %left '-' '+'
320 %left '*' '/' '%'
321 %right '!' '~' CAST PPTR POS NEG ADDRESSOF tSIZEOF
322 %left '.' MEMBERPTR '[' ']'
323
324 %%
325
326 input: gbl_statements { fix_incomplete();
327 check_statements($1, FALSE);
328 check_all_user_types($1);
329 write_header($1);
330 write_id_data($1);
331 write_proxies($1);
332 write_client($1);
333 write_server($1);
334 write_dlldata($1);
335 write_local_stubs($1);
336 }
337 ;
338
339 gbl_statements: { $$ = NULL; }
340 | gbl_statements interfacedec { $$ = append_statement($1, make_statement_reference($2)); }
341 | gbl_statements interfacedef { $$ = append_statement($1, make_statement_type_decl($2)); }
342 | gbl_statements coclass ';' { $$ = $1;
343 reg_type($2, $2->name, 0);
344 }
345 | gbl_statements coclassdef { $$ = append_statement($1, make_statement_type_decl($2));
346 reg_type($2, $2->name, 0);
347 }
348 | gbl_statements moduledef { $$ = append_statement($1, make_statement_module($2)); }
349 | gbl_statements librarydef { $$ = append_statement($1, make_statement_library($2)); }
350 | gbl_statements statement { $$ = append_statement($1, $2); }
351 ;
352
353 imp_statements: { $$ = NULL; }
354 | imp_statements interfacedec { $$ = append_statement($1, make_statement_reference($2)); }
355 | imp_statements interfacedef { $$ = append_statement($1, make_statement_type_decl($2)); }
356 | imp_statements coclass ';' { $$ = $1; reg_type($2, $2->name, 0); }
357 | imp_statements coclassdef { $$ = append_statement($1, make_statement_type_decl($2));
358 reg_type($2, $2->name, 0);
359 }
360 | imp_statements moduledef { $$ = append_statement($1, make_statement_module($2)); }
361 | imp_statements statement { $$ = append_statement($1, $2); }
362 | imp_statements importlib { $$ = append_statement($1, make_statement_importlib($2)); }
363 | imp_statements librarydef { $$ = append_statement($1, make_statement_library($2)); }
364 ;
365
366 int_statements: { $$ = NULL; }
367 | int_statements statement { $$ = append_statement($1, $2); }
368 ;
369
370 semicolon_opt:
371 | ';'
372 ;
373
374 statement:
375 cppquote { $$ = make_statement_cppquote($1); }
376 | typedecl ';' { $$ = make_statement_type_decl($1); }
377 | declaration ';' { $$ = make_statement_declaration($1); }
378 | import { $$ = make_statement_import($1); }
379 | typedef ';' { $$ = $1; }
380 ;
381
382 typedecl:
383 enumdef
384 | structdef
385 | uniondef
386 | attributes enumdef { $$ = $2; $$->attrs = check_enum_attrs($1); }
387 | attributes structdef { $$ = $2; $$->attrs = check_struct_attrs($1); }
388 | attributes uniondef { $$ = $2; $$->attrs = check_union_attrs($1); }
389 ;
390
391 cppquote: tCPPQUOTE '(' aSTRING ')' { $$ = $3; }
392 ;
393 import_start: tIMPORT aSTRING ';' { assert(yychar == YYEMPTY);
394 $$ = xmalloc(sizeof(struct _import_t));
395 $$->name = $2;
396 $$->import_performed = do_import($2);
397 if (!$$->import_performed) yychar = aEOF;
398 }
399 ;
400
401 import: import_start imp_statements aEOF { $$ = $1->name;
402 if ($1->import_performed) pop_import();
403 free($1);
404 }
405 ;
406
407 importlib: tIMPORTLIB '(' aSTRING ')'
408 semicolon_opt { $$ = $3; if(!parse_only) add_importlib($3); }
409 ;
410
411 libraryhdr: tLIBRARY aIDENTIFIER { $$ = $2; }
412 ;
413 library_start: attributes libraryhdr '{' { $$ = make_library($2, check_library_attrs($2, $1));
414 if (!parse_only) start_typelib($$);
415 }
416 ;
417 librarydef: library_start imp_statements '}'
418 semicolon_opt { $$ = $1;
419 $$->stmts = $2;
420 if (!parse_only) end_typelib();
421 }
422 ;
423
424 m_args: { $$ = NULL; }
425 | args
426 ;
427
428 no_args: tVOID { $$ = NULL; }
429 ;
430
431 args: arg { check_arg($1); $$ = append_var( NULL, $1 ); }
432 | args ',' arg { check_arg($3); $$ = append_var( $1, $3); }
433 | no_args
434 ;
435
436 /* split into two rules to get bison to resolve a tVOID conflict */
437 arg: attributes decl_spec declarator { $$ = $3->var;
438 $$->attrs = $1;
439 if ($2->stgclass != STG_NONE && $2->stgclass != STG_REGISTER)
440 error_loc("invalid storage class for function parameter\n");
441 set_type($$, $2, $3, TRUE);
442 free($3);
443 }
444 | decl_spec declarator { $$ = $2->var;
445 if ($1->stgclass != STG_NONE && $1->stgclass != STG_REGISTER)
446 error_loc("invalid storage class for function parameter\n");
447 set_type($$, $1, $2, TRUE);
448 free($2);
449 }
450 ;
451
452 array: '[' m_expr ']' { $$ = $2; }
453 | '[' '*' ']' { $$ = make_expr(EXPR_VOID); }
454 ;
455
456 m_attributes: { $$ = NULL; }
457 | attributes
458 ;
459
460 attributes:
461 '[' attrib_list ']' { $$ = $2; }
462 ;
463
464 attrib_list: attribute { $$ = append_attr( NULL, $1 ); }
465 | attrib_list ',' attribute { $$ = append_attr( $1, $3 ); }
466 | attrib_list ']' '[' attribute { $$ = append_attr( $1, $4 ); }
467 ;
468
469 str_list: aSTRING { $$ = append_str( NULL, $1 ); }
470 | str_list ',' aSTRING { $$ = append_str( $1, $3 ); }
471 ;
472
473 attribute: { $$ = NULL; }
474 | tAGGREGATABLE { $$ = make_attr(ATTR_AGGREGATABLE); }
475 | tAPPOBJECT { $$ = make_attr(ATTR_APPOBJECT); }
476 | tASYNC { $$ = make_attr(ATTR_ASYNC); }
477 | tAUTOHANDLE { $$ = make_attr(ATTR_AUTO_HANDLE); }
478 | tBINDABLE { $$ = make_attr(ATTR_BINDABLE); }
479 | tBROADCAST { $$ = make_attr(ATTR_BROADCAST); }
480 | tCALLAS '(' ident ')' { $$ = make_attrp(ATTR_CALLAS, $3); }
481 | tCASE '(' expr_list_int_const ')' { $$ = make_attrp(ATTR_CASE, $3); }
482 | tCONTEXTHANDLE { $$ = make_attrv(ATTR_CONTEXTHANDLE, 0); }
483 | tCONTEXTHANDLENOSERIALIZE { $$ = make_attrv(ATTR_CONTEXTHANDLE, 0); /* RPC_CONTEXT_HANDLE_DONT_SERIALIZE */ }
484 | tCONTEXTHANDLESERIALIZE { $$ = make_attrv(ATTR_CONTEXTHANDLE, 0); /* RPC_CONTEXT_HANDLE_SERIALIZE */ }
485 | tCONTROL { $$ = make_attr(ATTR_CONTROL); }
486 | tDEFAULT { $$ = make_attr(ATTR_DEFAULT); }
487 | tDEFAULTCOLLELEM { $$ = make_attr(ATTR_DEFAULTCOLLELEM); }
488 | tDEFAULTVALUE '(' expr_const ')' { $$ = make_attrp(ATTR_DEFAULTVALUE, $3); }
489 | tDEFAULTVTABLE { $$ = make_attr(ATTR_DEFAULTVTABLE); }
490 | tDISPLAYBIND { $$ = make_attr(ATTR_DISPLAYBIND); }
491 | tDLLNAME '(' aSTRING ')' { $$ = make_attrp(ATTR_DLLNAME, $3); }
492 | tDUAL { $$ = make_attr(ATTR_DUAL); }
493 | tENDPOINT '(' str_list ')' { $$ = make_attrp(ATTR_ENDPOINT, $3); }
494 | tENTRY '(' expr_const ')' { $$ = make_attrp(ATTR_ENTRY, $3); }
495 | tEXPLICITHANDLE { $$ = make_attr(ATTR_EXPLICIT_HANDLE); }
496 | tHANDLE { $$ = make_attr(ATTR_HANDLE); }
497 | tHELPCONTEXT '(' expr_int_const ')' { $$ = make_attrp(ATTR_HELPCONTEXT, $3); }
498 | tHELPFILE '(' aSTRING ')' { $$ = make_attrp(ATTR_HELPFILE, $3); }
499 | tHELPSTRING '(' aSTRING ')' { $$ = make_attrp(ATTR_HELPSTRING, $3); }
500 | tHELPSTRINGCONTEXT '(' expr_int_const ')' { $$ = make_attrp(ATTR_HELPSTRINGCONTEXT, $3); }
501 | tHELPSTRINGDLL '(' aSTRING ')' { $$ = make_attrp(ATTR_HELPSTRINGDLL, $3); }
502 | tHIDDEN { $$ = make_attr(ATTR_HIDDEN); }
503 | tID '(' expr_int_const ')' { $$ = make_attrp(ATTR_ID, $3); }
504 | tIDEMPOTENT { $$ = make_attr(ATTR_IDEMPOTENT); }
505 | tIIDIS '(' expr ')' { $$ = make_attrp(ATTR_IIDIS, $3); }
506 | tIMMEDIATEBIND { $$ = make_attr(ATTR_IMMEDIATEBIND); }
507 | tIMPLICITHANDLE '(' tHANDLET aIDENTIFIER ')' { $$ = make_attrp(ATTR_IMPLICIT_HANDLE, $4); }
508 | tIN { $$ = make_attr(ATTR_IN); }
509 | tINPUTSYNC { $$ = make_attr(ATTR_INPUTSYNC); }
510 | tLENGTHIS '(' m_exprs ')' { $$ = make_attrp(ATTR_LENGTHIS, $3); }
511 | tLCID '(' expr_int_const ')' { $$ = make_attrp(ATTR_LIBLCID, $3); }
512 | tLOCAL { $$ = make_attr(ATTR_LOCAL); }
513 | tNONBROWSABLE { $$ = make_attr(ATTR_NONBROWSABLE); }
514 | tNONCREATABLE { $$ = make_attr(ATTR_NONCREATABLE); }
515 | tNONEXTENSIBLE { $$ = make_attr(ATTR_NONEXTENSIBLE); }
516 | tOBJECT { $$ = make_attr(ATTR_OBJECT); }
517 | tODL { $$ = make_attr(ATTR_ODL); }
518 | tOLEAUTOMATION { $$ = make_attr(ATTR_OLEAUTOMATION); }
519 | tOPTIONAL { $$ = make_attr(ATTR_OPTIONAL); }
520 | tOUT { $$ = make_attr(ATTR_OUT); }
521 | tPOINTERDEFAULT '(' pointer_type ')' { $$ = make_attrv(ATTR_POINTERDEFAULT, $3); }
522 | tPROPGET { $$ = make_attr(ATTR_PROPGET); }
523 | tPROPPUT { $$ = make_attr(ATTR_PROPPUT); }
524 | tPROPPUTREF { $$ = make_attr(ATTR_PROPPUTREF); }
525 | tPUBLIC { $$ = make_attr(ATTR_PUBLIC); }
526 | tRANGE '(' expr_int_const ',' expr_int_const ')'
527 { expr_list_t *list = append_expr( NULL, $3 );
528 list = append_expr( list, $5 );
529 $$ = make_attrp(ATTR_RANGE, list); }
530 | tREADONLY { $$ = make_attr(ATTR_READONLY); }
531 | tREQUESTEDIT { $$ = make_attr(ATTR_REQUESTEDIT); }
532 | tRESTRICTED { $$ = make_attr(ATTR_RESTRICTED); }
533 | tRETVAL { $$ = make_attr(ATTR_RETVAL); }
534 | tSIZEIS '(' m_exprs ')' { $$ = make_attrp(ATTR_SIZEIS, $3); }
535 | tSOURCE { $$ = make_attr(ATTR_SOURCE); }
536 | tSTRICTCONTEXTHANDLE { $$ = make_attr(ATTR_STRICTCONTEXTHANDLE); }
537 | tSTRING { $$ = make_attr(ATTR_STRING); }
538 | tSWITCHIS '(' expr ')' { $$ = make_attrp(ATTR_SWITCHIS, $3); }
539 | tSWITCHTYPE '(' type ')' { $$ = make_attrp(ATTR_SWITCHTYPE, $3); }
540 | tTRANSMITAS '(' type ')' { $$ = make_attrp(ATTR_TRANSMITAS, $3); }
541 | tUUID '(' uuid_string ')' { $$ = make_attrp(ATTR_UUID, $3); }
542 | tV1ENUM { $$ = make_attr(ATTR_V1ENUM); }
543 | tVARARG { $$ = make_attr(ATTR_VARARG); }
544 | tVERSION '(' version ')' { $$ = make_attrv(ATTR_VERSION, $3); }
545 | tWIREMARSHAL '(' type ')' { $$ = make_attrp(ATTR_WIREMARSHAL, $3); }
546 | pointer_type { $$ = make_attrv(ATTR_POINTERTYPE, $1); }
547 ;
548
549 uuid_string:
550 aUUID
551 | aSTRING { if (!is_valid_uuid($1))
552 error_loc("invalid UUID: %s\n", $1);
553 $$ = parse_uuid($1); }
554 ;
555
556 callconv: tCDECL { $$ = $<str>1; }
557 | tFASTCALL { $$ = $<str>1; }
558 | tPASCAL { $$ = $<str>1; }
559 | tSTDCALL { $$ = $<str>1; }
560 ;
561
562 cases: { $$ = NULL; }
563 | cases case { $$ = append_var( $1, $2 ); }
564 ;
565
566 case: tCASE expr_int_const ':' union_field { attr_t *a = make_attrp(ATTR_CASE, append_expr( NULL, $2 ));
567 $$ = $4; if (!$$) $$ = make_var(NULL);
568 $$->attrs = append_attr( $$->attrs, a );
569 }
570 | tDEFAULT ':' union_field { attr_t *a = make_attr(ATTR_DEFAULT);
571 $$ = $3; if (!$$) $$ = make_var(NULL);
572 $$->attrs = append_attr( $$->attrs, a );
573 }
574 ;
575
576 enums: { $$ = NULL; }
577 | enum_list ',' { $$ = $1; }
578 | enum_list
579 ;
580
581 enum_list: enum { if (!$1->eval)
582 $1->eval = make_exprl(EXPR_NUM, 0 /* default for first enum entry */);
583 $$ = append_var( NULL, $1 );
584 }
585 | enum_list ',' enum { if (!$3->eval)
586 {
587 var_t *last = LIST_ENTRY( list_tail($$), var_t, entry );
588 $3->eval = make_exprl(EXPR_NUM, last->eval->cval + 1);
589 }
590 $$ = append_var( $1, $3 );
591 }
592 ;
593
594 enum: ident '=' expr_int_const { $$ = reg_const($1);
595 $$->eval = $3;
596 $$->type = type_new_int(TYPE_BASIC_INT, 0);
597 }
598 | ident { $$ = reg_const($1);
599 $$->type = type_new_int(TYPE_BASIC_INT, 0);
600 }
601 ;
602
603 enumdef: tENUM t_ident '{' enums '}' { $$ = type_new_enum($2, TRUE, $4); }
604 ;
605
606 m_exprs: m_expr { $$ = append_expr( NULL, $1 ); }
607 | m_exprs ',' m_expr { $$ = append_expr( $1, $3 ); }
608 ;
609
610 /*
611 exprs: { $$ = make_expr(EXPR_VOID); }
612 | expr_list
613 ;
614
615 expr_list: expr
616 | expr_list ',' expr { LINK($3, $1); $$ = $3; }
617 ;
618 */
619
620 m_expr: { $$ = make_expr(EXPR_VOID); }
621 | expr
622 ;
623
624 expr: aNUM { $$ = make_exprl(EXPR_NUM, $1); }
625 | aHEXNUM { $$ = make_exprl(EXPR_HEXNUM, $1); }
626 | aDOUBLE { $$ = make_exprd(EXPR_DOUBLE, $1); }
627 | tFALSE { $$ = make_exprl(EXPR_TRUEFALSE, 0); }
628 | tNULL { $$ = make_exprl(EXPR_NUM, 0); }
629 | tTRUE { $$ = make_exprl(EXPR_TRUEFALSE, 1); }
630 | aSTRING { $$ = make_exprs(EXPR_STRLIT, $1); }
631 | aWSTRING { $$ = make_exprs(EXPR_WSTRLIT, $1); }
632 | aIDENTIFIER { $$ = make_exprs(EXPR_IDENTIFIER, $1); }
633 | expr '?' expr ':' expr { $$ = make_expr3(EXPR_COND, $1, $3, $5); }
634 | expr LOGICALOR expr { $$ = make_expr2(EXPR_LOGOR, $1, $3); }
635 | expr LOGICALAND expr { $$ = make_expr2(EXPR_LOGAND, $1, $3); }
636 | expr '|' expr { $$ = make_expr2(EXPR_OR , $1, $3); }
637 | expr '^' expr { $$ = make_expr2(EXPR_XOR, $1, $3); }
638 | expr '&' expr { $$ = make_expr2(EXPR_AND, $1, $3); }
639 | expr EQUALITY expr { $$ = make_expr2(EXPR_EQUALITY, $1, $3); }
640 | expr INEQUALITY expr { $$ = make_expr2(EXPR_INEQUALITY, $1, $3); }
641 | expr '>' expr { $$ = make_expr2(EXPR_GTR, $1, $3); }
642 | expr '<' expr { $$ = make_expr2(EXPR_LESS, $1, $3); }
643 | expr GREATEREQUAL expr { $$ = make_expr2(EXPR_GTREQL, $1, $3); }
644 | expr LESSEQUAL expr { $$ = make_expr2(EXPR_LESSEQL, $1, $3); }
645 | expr SHL expr { $$ = make_expr2(EXPR_SHL, $1, $3); }
646 | expr SHR expr { $$ = make_expr2(EXPR_SHR, $1, $3); }
647 | expr '+' expr { $$ = make_expr2(EXPR_ADD, $1, $3); }
648 | expr '-' expr { $$ = make_expr2(EXPR_SUB, $1, $3); }
649 | expr '%' expr { $$ = make_expr2(EXPR_MOD, $1, $3); }
650 | expr '*' expr { $$ = make_expr2(EXPR_MUL, $1, $3); }
651 | expr '/' expr { $$ = make_expr2(EXPR_DIV, $1, $3); }
652 | '!' expr { $$ = make_expr1(EXPR_LOGNOT, $2); }
653 | '~' expr { $$ = make_expr1(EXPR_NOT, $2); }
654 | '+' expr %prec POS { $$ = make_expr1(EXPR_POS, $2); }
655 | '-' expr %prec NEG { $$ = make_expr1(EXPR_NEG, $2); }
656 | '&' expr %prec ADDRESSOF { $$ = make_expr1(EXPR_ADDRESSOF, $2); }
657 | '*' expr %prec PPTR { $$ = make_expr1(EXPR_PPTR, $2); }
658 | expr MEMBERPTR aIDENTIFIER { $$ = make_expr2(EXPR_MEMBER, make_expr1(EXPR_PPTR, $1), make_exprs(EXPR_IDENTIFIER, $3)); }
659 | expr '.' aIDENTIFIER { $$ = make_expr2(EXPR_MEMBER, $1, make_exprs(EXPR_IDENTIFIER, $3)); }
660 | '(' type ')' expr %prec CAST { $$ = make_exprt(EXPR_CAST, $2, $4); }
661 | tSIZEOF '(' type ')' { $$ = make_exprt(EXPR_SIZEOF, $3, NULL); }
662 | expr '[' expr ']' { $$ = make_expr2(EXPR_ARRAY, $1, $3); }
663 | '(' expr ')' { $$ = $2; }
664 ;
665
666 expr_list_int_const: expr_int_const { $$ = append_expr( NULL, $1 ); }
667 | expr_list_int_const ',' expr_int_const { $$ = append_expr( $1, $3 ); }
668 ;
669
670 expr_int_const: expr { $$ = $1;
671 if (!$$->is_const)
672 error_loc("expression is not an integer constant\n");
673 }
674 ;
675
676 expr_const: expr { $$ = $1;
677 if (!$$->is_const && $$->type != EXPR_STRLIT && $$->type != EXPR_WSTRLIT)
678 error_loc("expression is not constant\n");
679 }
680 ;
681
682 fields: { $$ = NULL; }
683 | fields field { $$ = append_var_list($1, $2); }
684 ;
685
686 field: m_attributes decl_spec declarator_list ';'
687 { const char *first = LIST_ENTRY(list_head($3), declarator_t, entry)->var->name;
688 check_field_attrs(first, $1);
689 $$ = set_var_types($1, $2, $3);
690 }
691 | m_attributes uniondef ';' { var_t *v = make_var(NULL);
692 v->type = $2; v->attrs = $1;
693 $$ = append_var(NULL, v);
694 }
695 ;
696
697 ne_union_field:
698 s_field ';' { $$ = $1; }
699 | attributes ';' { $$ = make_var(NULL); $$->attrs = $1; }
700 ;
701
702 ne_union_fields: { $$ = NULL; }
703 | ne_union_fields ne_union_field { $$ = append_var( $1, $2 ); }
704 ;
705
706 union_field:
707 s_field ';' { $$ = $1; }
708 | ';' { $$ = NULL; }
709 ;
710
711 s_field: m_attributes decl_spec declarator { $$ = $3->var;
712 $$->attrs = check_field_attrs($$->name, $1);
713 set_type($$, $2, $3, FALSE);
714 free($3);
715 }
716 ;
717
718 funcdef:
719 m_attributes decl_spec declarator { var_t *v = $3->var;
720 v->attrs = check_function_attrs(v->name, $1);
721 set_type(v, $2, $3, FALSE);
722 free($3);
723 $$ = make_func(v);
724 }
725 ;
726
727 declaration:
728 attributes decl_spec init_declarator
729 { $$ = $3->var;
730 $$->attrs = $1;
731 set_type($$, $2, $3, FALSE);
732 free($3);
733 }
734 | decl_spec init_declarator { $$ = $2->var;
735 set_type($$, $1, $2, FALSE);
736 free($2);
737 }
738 ;
739
740 m_ident: { $$ = NULL; }
741 | ident
742 ;
743
744 t_ident: { $$ = NULL; }
745 | aIDENTIFIER { $$ = $1; }
746 | aKNOWNTYPE { $$ = $1; }
747 ;
748
749 ident: aIDENTIFIER { $$ = make_var($1); }
750 /* some "reserved words" used in attributes are also used as field names in some MS IDL files */
751 | aKNOWNTYPE { $$ = make_var($<str>1); }
752 ;
753
754 base_type: tBYTE { $$ = find_type_or_error($<str>1, 0); }
755 | tWCHAR { $$ = find_type_or_error($<str>1, 0); }
756 | int_std
757 | tSIGNED int_std { $$ = type_new_int(type_basic_get_type($2), -1); }
758 | tUNSIGNED int_std { $$ = type_new_int(type_basic_get_type($2), 1); }
759 | tUNSIGNED { $$ = type_new_int(TYPE_BASIC_INT, 1); }
760 | tFLOAT { $$ = find_type_or_error($<str>1, 0); }
761 | tDOUBLE { $$ = find_type_or_error($<str>1, 0); }
762 | tBOOLEAN { $$ = find_type_or_error($<str>1, 0); }
763 | tERRORSTATUST { $$ = find_type_or_error($<str>1, 0); }
764 | tHANDLET { $$ = find_type_or_error($<str>1, 0); }
765 ;
766
767 m_int:
768 | tINT
769 ;
770
771 int_std: tINT { $$ = type_new_int(TYPE_BASIC_INT, 0); }
772 | tSHORT m_int { $$ = type_new_int(TYPE_BASIC_INT16, 0); }
773 | tSMALL { $$ = type_new_int(TYPE_BASIC_INT8, 0); }
774 | tLONG m_int { $$ = type_new_int(TYPE_BASIC_INT32, 0); }
775 | tHYPER m_int { $$ = type_new_int(TYPE_BASIC_HYPER, 0); }
776 | tINT64 { $$ = type_new_int(TYPE_BASIC_INT64, 0); }
777 | tCHAR { $$ = type_new_int(TYPE_BASIC_CHAR, 0); }
778 ;
779
780 coclass: tCOCLASS aIDENTIFIER { $$ = type_new_coclass($2); }
781 | tCOCLASS aKNOWNTYPE { $$ = find_type($2, 0);
782 if (type_get_type_detect_alias($$) != TYPE_COCLASS)
783 error_loc("%s was not declared a coclass at %s:%d\n",
784 $2, $$->loc_info.input_name,
785 $$->loc_info.line_number);
786 }
787 ;
788
789 coclasshdr: attributes coclass { $$ = $2;
790 check_def($$);
791 $$->attrs = check_coclass_attrs($2->name, $1);
792 }
793 ;
794
795 coclassdef: coclasshdr '{' coclass_ints '}' semicolon_opt
796 { $$ = type_coclass_define($1, $3); }
797 ;
798
799 coclass_ints: { $$ = NULL; }
800 | coclass_ints coclass_int { $$ = append_ifref( $1, $2 ); }
801 ;
802
803 coclass_int:
804 m_attributes interfacedec { $$ = make_ifref($2); $$->attrs = $1; }
805 ;
806
807 dispinterface: tDISPINTERFACE aIDENTIFIER { $$ = get_type(TYPE_INTERFACE, $2, 0); }
808 | tDISPINTERFACE aKNOWNTYPE { $$ = get_type(TYPE_INTERFACE, $2, 0); }
809 ;
810
811 dispinterfacehdr: attributes dispinterface { attr_t *attrs;
812 is_object_interface = TRUE;
813 $$ = $2;
814 check_def($$);
815 attrs = make_attr(ATTR_DISPINTERFACE);
816 $$->attrs = append_attr( check_dispiface_attrs($2->name, $1), attrs );
817 $$->defined = TRUE;
818 }
819 ;
820
821 dispint_props: tPROPERTIES ':' { $$ = NULL; }
822 | dispint_props s_field ';' { $$ = append_var( $1, $2 ); }
823 ;
824
825 dispint_meths: tMETHODS ':' { $$ = NULL; }
826 | dispint_meths funcdef ';' { $$ = append_func( $1, $2 ); }
827 ;
828
829 dispinterfacedef: dispinterfacehdr '{'
830 dispint_props
831 dispint_meths
832 '}' { $$ = $1;
833 type_dispinterface_define($$, $3, $4);
834 }
835 | dispinterfacehdr
836 '{' interface ';' '}' { $$ = $1;
837 type_dispinterface_define_from_iface($$, $3);
838 }
839 ;
840
841 inherit: { $$ = NULL; }
842 | ':' aKNOWNTYPE { $$ = find_type_or_error2($2, 0); }
843 ;
844
845 interface: tINTERFACE aIDENTIFIER { $$ = get_type(TYPE_INTERFACE, $2, 0); }
846 | tINTERFACE aKNOWNTYPE { $$ = get_type(TYPE_INTERFACE, $2, 0); }
847 ;
848
849 interfacehdr: attributes interface { $$.interface = $2;
850 $$.old_pointer_default = pointer_default;
851 if (is_attr($1, ATTR_POINTERDEFAULT))
852 pointer_default = get_attrv($1, ATTR_POINTERDEFAULT);
853 is_object_interface = is_object($1);
854 check_def($2);
855 $2->attrs = check_iface_attrs($2->name, $1);
856 $2->defined = TRUE;
857 }
858 ;
859
860 interfacedef: interfacehdr inherit
861 '{' int_statements '}' semicolon_opt { $$ = $1.interface;
862 type_interface_define($$, $2, $4);
863 pointer_default = $1.old_pointer_default;
864 }
865 /* MIDL is able to import the definition of a base class from inside the
866 * definition of a derived class, I'll try to support it with this rule */
867 | interfacehdr ':' aIDENTIFIER
868 '{' import int_statements '}'
869 semicolon_opt { $$ = $1.interface;
870 type_interface_define($$, find_type_or_error2($3, 0), $6);
871 pointer_default = $1.old_pointer_default;
872 }
873 | dispinterfacedef semicolon_opt { $$ = $1; }
874 ;
875
876 interfacedec:
877 interface ';' { $$ = $1; }
878 | dispinterface ';' { $$ = $1; }
879 ;
880
881 module: tMODULE aIDENTIFIER { $$ = type_new_module($2); }
882 | tMODULE aKNOWNTYPE { $$ = type_new_module($2); }
883 ;
884
885 modulehdr: attributes module { $$ = $2;
886 $$->attrs = check_module_attrs($2->name, $1);
887 }
888 ;
889
890 moduledef: modulehdr '{' int_statements '}'
891 semicolon_opt { $$ = $1;
892 type_module_define($$, $3);
893 }
894 ;
895
896 storage_cls_spec:
897 tEXTERN { $$ = STG_EXTERN; }
898 | tSTATIC { $$ = STG_STATIC; }
899 | tREGISTER { $$ = STG_REGISTER; }
900 ;
901
902 function_specifier:
903 tINLINE { $$ = make_attr(ATTR_INLINE); }
904 ;
905
906 type_qualifier:
907 tCONST { $$ = make_attr(ATTR_CONST); }
908 ;
909
910 m_type_qual_list: { $$ = NULL; }
911 | m_type_qual_list type_qualifier { $$ = append_attr($1, $2); }
912 ;
913
914 decl_spec: type m_decl_spec_no_type { $$ = make_decl_spec($1, $2, NULL, NULL, STG_NONE); }
915 | decl_spec_no_type type m_decl_spec_no_type
916 { $$ = make_decl_spec($2, $1, $3, NULL, STG_NONE); }
917 ;
918
919 m_decl_spec_no_type: { $$ = NULL; }
920 | decl_spec_no_type
921 ;
922
923 decl_spec_no_type:
924 type_qualifier m_decl_spec_no_type { $$ = make_decl_spec(NULL, $2, NULL, $1, STG_NONE); }
925 | function_specifier m_decl_spec_no_type { $$ = make_decl_spec(NULL, $2, NULL, $1, STG_NONE); }
926 | storage_cls_spec m_decl_spec_no_type { $$ = make_decl_spec(NULL, $2, NULL, NULL, $1); }
927 ;
928
929 declarator:
930 '*' m_type_qual_list declarator %prec PPTR
931 { $$ = $3; $$->type = append_ptrchain_type($$->type, type_new_pointer(pointer_default, NULL, $2)); }
932 | callconv declarator { $$ = $2; $$->type->attrs = append_attr($$->type->attrs, make_attrp(ATTR_CALLCONV, $1)); }
933 | direct_declarator
934 ;
935
936 direct_declarator:
937 ident { $$ = make_declarator($1); }
938 | '(' declarator ')' { $$ = $2; }
939 | direct_declarator array { $$ = $1; $$->array = append_array($$->array, $2); }
940 | direct_declarator '(' m_args ')' { $$ = $1;
941 $$->func_type = append_ptrchain_type($$->type, type_new_function($3));
942 $$->type = NULL;
943 }
944 ;
945
946 declarator_list:
947 declarator { $$ = append_declarator( NULL, $1 ); }
948 | declarator_list ',' declarator { $$ = append_declarator( $1, $3 ); }
949 ;
950
951 init_declarator:
952 declarator { $$ = $1; }
953 | declarator '=' expr_const { $$ = $1; $1->var->eval = $3; }
954 ;
955
956 pointer_type:
957 tREF { $$ = RPC_FC_RP; }
958 | tUNIQUE { $$ = RPC_FC_UP; }
959 | tPTR { $$ = RPC_FC_FP; }
960 ;
961
962 structdef: tSTRUCT t_ident '{' fields '}' { $$ = type_new_struct($2, TRUE, $4); }
963 ;
964
965 type: tVOID { $$ = type_new_void(); }
966 | aKNOWNTYPE { $$ = find_type_or_error($1, 0); }
967 | base_type { $$ = $1; }
968 | enumdef { $$ = $1; }
969 | tENUM aIDENTIFIER { $$ = type_new_enum($2, FALSE, NULL); }
970 | structdef { $$ = $1; }
971 | tSTRUCT aIDENTIFIER { $$ = type_new_struct($2, FALSE, NULL); }
972 | uniondef { $$ = $1; }
973 | tUNION aIDENTIFIER { $$ = type_new_nonencapsulated_union($2, FALSE, NULL); }
974 | tSAFEARRAY '(' type ')' { $$ = make_safearray($3); }
975 ;
976
977 typedef: tTYPEDEF m_attributes decl_spec declarator_list
978 { reg_typedefs($3, $4, check_typedef_attrs($2));
979 $$ = make_statement_typedef($4);
980 }
981 ;
982
983 uniondef: tUNION t_ident '{' ne_union_fields '}'
984 { $$ = type_new_nonencapsulated_union($2, TRUE, $4); }
985 | tUNION t_ident
986 tSWITCH '(' s_field ')'
987 m_ident '{' cases '}' { $$ = type_new_encapsulated_union($2, $5, $7, $9); }
988 ;
989
990 version:
991 aNUM { $$ = MAKEVERSION($1, 0); }
992 | aNUM '.' aNUM { $$ = MAKEVERSION($1, $3); }
993 ;
994
995 %%
996
997 static void decl_builtin_basic(const char *name, enum type_basic_type type)
998 {
999 type_t *t = type_new_basic(type);
1000 reg_type(t, name, 0);
1001 }
1002
1003 static void decl_builtin_alias(const char *name, type_t *t)
1004 {
1005 reg_type(type_new_alias(t, name), name, 0);
1006 }
1007
1008 void init_types(void)
1009 {
1010 decl_builtin_basic("byte", TYPE_BASIC_BYTE);
1011 decl_builtin_basic("wchar_t", TYPE_BASIC_WCHAR);
1012 decl_builtin_basic("float", TYPE_BASIC_FLOAT);
1013 decl_builtin_basic("double", TYPE_BASIC_DOUBLE);
1014 decl_builtin_basic("error_status_t", TYPE_BASIC_ERROR_STATUS_T);
1015 decl_builtin_basic("handle_t", TYPE_BASIC_HANDLE);
1016 decl_builtin_alias("boolean", type_new_basic(TYPE_BASIC_BYTE));
1017 }
1018
1019 static str_list_t *append_str(str_list_t *list, char *str)
1020 {
1021 struct str_list_entry_t *entry;
1022
1023 if (!str) return list;
1024 if (!list)
1025 {
1026 list = xmalloc( sizeof(*list) );
1027 list_init( list );
1028 }
1029 entry = xmalloc( sizeof(*entry) );
1030 entry->str = str;
1031 list_add_tail( list, &entry->entry );
1032 return list;
1033 }
1034
1035 static attr_list_t *append_attr(attr_list_t *list, attr_t *attr)
1036 {
1037 attr_t *attr_existing;
1038 if (!attr) return list;
1039 if (!list)
1040 {
1041 list = xmalloc( sizeof(*list) );
1042 list_init( list );
1043 }
1044 LIST_FOR_EACH_ENTRY(attr_existing, list, attr_t, entry)
1045 if (attr_existing->type == attr->type)
1046 {
1047 parser_warning("duplicate attribute %s\n", get_attr_display_name(attr->type));
1048 /* use the last attribute, like MIDL does */
1049 list_remove(&attr_existing->entry);
1050 break;
1051 }
1052 list_add_tail( list, &attr->entry );
1053 return list;
1054 }
1055
1056 static attr_list_t *move_attr(attr_list_t *dst, attr_list_t *src, enum attr_type type)
1057 {
1058 attr_t *attr;
1059 if (!src) return dst;
1060 LIST_FOR_EACH_ENTRY(attr, src, attr_t, entry)
1061 if (attr->type == type)
1062 {
1063 list_remove(&attr->entry);
1064 return append_attr(dst, attr);
1065 }
1066 return dst;
1067 }
1068
1069 static attr_list_t *append_attr_list(attr_list_t *new_list, attr_list_t *old_list)
1070 {
1071 struct list *entry;
1072
1073 if (!old_list) return new_list;
1074
1075 while ((entry = list_head(old_list)))
1076 {
1077 attr_t *attr = LIST_ENTRY(entry, attr_t, entry);
1078 list_remove(entry);
1079 new_list = append_attr(new_list, attr);
1080 }
1081 return new_list;
1082 }
1083
1084 static attr_list_t *dupattrs(const attr_list_t *list)
1085 {
1086 attr_list_t *new_list;
1087 const attr_t *attr;
1088
1089 if (!list) return NULL;
1090
1091 new_list = xmalloc( sizeof(*list) );
1092 list_init( new_list );
1093 LIST_FOR_EACH_ENTRY(attr, list, const attr_t, entry)
1094 {
1095 attr_t *new_attr = xmalloc(sizeof(*new_attr));
1096 *new_attr = *attr;
1097 list_add_tail(new_list, &new_attr->entry);
1098 }
1099 return new_list;
1100 }
1101
1102 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)
1103 {
1104 decl_spec_t *declspec = left ? left : right;
1105 if (!declspec)
1106 {
1107 declspec = xmalloc(sizeof(*declspec));
1108 declspec->type = NULL;
1109 declspec->attrs = NULL;
1110 declspec->stgclass = STG_NONE;
1111 }
1112 declspec->type = type;
1113 if (left && declspec != left)
1114 {
1115 declspec->attrs = append_attr_list(declspec->attrs, left->attrs);
1116 if (declspec->stgclass == STG_NONE)
1117 declspec->stgclass = left->stgclass;
1118 else if (left->stgclass != STG_NONE)
1119 error_loc("only one storage class can be specified\n");
1120 assert(!left->type);
1121 free(left);
1122 }
1123 if (right && declspec != right)
1124 {
1125 declspec->attrs = append_attr_list(declspec->attrs, right->attrs);
1126 if (declspec->stgclass == STG_NONE)
1127 declspec->stgclass = right->stgclass;
1128 else if (right->stgclass != STG_NONE)
1129 error_loc("only one storage class can be specified\n");
1130 assert(!right->type);
1131 free(right);
1132 }
1133
1134 declspec->attrs = append_attr(declspec->attrs, attr);
1135 if (declspec->stgclass == STG_NONE)
1136 declspec->stgclass = stgclass;
1137 else if (stgclass != STG_NONE)
1138 error_loc("only one storage class can be specified\n");
1139
1140 /* apply attributes to type */
1141 if (type && declspec->attrs)
1142 {
1143 attr_list_t *attrs;
1144 declspec->type = duptype(type, 1);
1145 attrs = dupattrs(type->attrs);
1146 declspec->type->attrs = append_attr_list(attrs, declspec->attrs);
1147 declspec->attrs = NULL;
1148 }
1149
1150 return declspec;
1151 }
1152
1153 static attr_t *make_attr(enum attr_type type)
1154 {
1155 attr_t *a = xmalloc(sizeof(attr_t));
1156 a->type = type;
1157 a->u.ival = 0;
1158 return a;
1159 }
1160
1161 static attr_t *make_attrv(enum attr_type type, unsigned long val)
1162 {
1163 attr_t *a = xmalloc(sizeof(attr_t));
1164 a->type = type;
1165 a->u.ival = val;
1166 return a;
1167 }
1168
1169 static attr_t *make_attrp(enum attr_type type, void *val)
1170 {
1171 attr_t *a = xmalloc(sizeof(attr_t));
1172 a->type = type;
1173 a->u.pval = val;
1174 return a;
1175 }
1176
1177 static expr_list_t *append_expr(expr_list_t *list, expr_t *expr)
1178 {
1179 if (!expr) return list;
1180 if (!list)
1181 {
1182 list = xmalloc( sizeof(*list) );
1183 list_init( list );
1184 }
1185 list_add_tail( list, &expr->entry );
1186 return list;
1187 }
1188
1189 static array_dims_t *append_array(array_dims_t *list, expr_t *expr)
1190 {
1191 if (!expr) return list;
1192 if (!list)
1193 {
1194 list = xmalloc( sizeof(*list) );
1195 list_init( list );
1196 }
1197 list_add_tail( list, &expr->entry );
1198 return list;
1199 }
1200
1201 static struct list type_pool = LIST_INIT(type_pool);
1202 typedef struct
1203 {
1204 type_t data;
1205 struct list link;
1206 } type_pool_node_t;
1207
1208 type_t *alloc_type(void)
1209 {
1210 type_pool_node_t *node = xmalloc(sizeof *node);
1211 list_add_tail(&type_pool, &node->link);
1212 return &node->data;
1213 }
1214
1215 void set_all_tfswrite(int val)
1216 {
1217 type_pool_node_t *node;
1218 LIST_FOR_EACH_ENTRY(node, &type_pool, type_pool_node_t, link)
1219 node->data.tfswrite = val;
1220 }
1221
1222 void clear_all_offsets(void)
1223 {
1224 type_pool_node_t *node;
1225 LIST_FOR_EACH_ENTRY(node, &type_pool, type_pool_node_t, link)
1226 node->data.typestring_offset = node->data.ptrdesc = 0;
1227 }
1228
1229 static void type_function_add_head_arg(type_t *type, var_t *arg)
1230 {
1231 if (!type->details.function->args)
1232 {
1233 type->details.function->args = xmalloc( sizeof(*type->details.function->args) );
1234 list_init( type->details.function->args );
1235 }
1236 list_add_head( type->details.function->args, &arg->entry );
1237 }
1238
1239 static type_t *append_ptrchain_type(type_t *ptrchain, type_t *type)
1240 {
1241 type_t *ptrchain_type;
1242 if (!ptrchain)
1243 return type;
1244 for (ptrchain_type = ptrchain; type_pointer_get_ref(ptrchain_type); ptrchain_type = type_pointer_get_ref(ptrchain_type))
1245 ;
1246 assert(ptrchain_type->type_type == TYPE_POINTER);
1247 ptrchain_type->details.pointer.ref = type;
1248 return ptrchain;
1249 }
1250
1251 static void set_type(var_t *v, decl_spec_t *decl_spec, const declarator_t *decl,
1252 int top)
1253 {
1254 expr_list_t *sizes = get_attrp(v->attrs, ATTR_SIZEIS);
1255 expr_list_t *lengs = get_attrp(v->attrs, ATTR_LENGTHIS);
1256 int sizeless;
1257 expr_t *dim;
1258 type_t **ptype;
1259 array_dims_t *arr = decl ? decl->array : NULL;
1260 type_t *func_type = decl ? decl->func_type : NULL;
1261 type_t *type = decl_spec->type;
1262
1263 if (is_attr(type->attrs, ATTR_INLINE))
1264 {
1265 if (!func_type)
1266 error_loc("inline attribute applied to non-function type\n");
1267 else
1268 {
1269 type_t *t;
1270 /* move inline attribute from return type node to function node */
1271 for (t = func_type; is_ptr(t); t = type_pointer_get_ref(t))
1272 ;
1273 t->attrs = move_attr(t->attrs, type->attrs, ATTR_INLINE);
1274 }
1275 }
1276
1277 /* add type onto the end of the pointers in pident->type */
1278 v->type = append_ptrchain_type(decl ? decl->type : NULL, type);
1279 v->stgclass = decl_spec->stgclass;
1280
1281 /* check for pointer attribute being applied to non-pointer, non-array
1282 * type */
1283 if (!arr)
1284 {
1285 int ptr_attr = get_attrv(v->attrs, ATTR_POINTERTYPE);
1286 const type_t *ptr = NULL;
1287 /* pointer attributes on the left side of the type belong to the function
1288 * pointer, if one is being declared */
1289 type_t **pt = func_type ? &func_type : &v->type;
1290 for (ptr = *pt; ptr && !ptr_attr; )
1291 {
1292 ptr_attr = get_attrv(ptr->attrs, ATTR_POINTERTYPE);
1293 if (!ptr_attr && type_is_alias(ptr))
1294 ptr = type_alias_get_aliasee(ptr);
1295 else
1296 break;
1297 }
1298 if (is_ptr(ptr))
1299 {
1300 if (ptr_attr && ptr_attr != RPC_FC_UP &&
1301 type_get_type(type_pointer_get_ref(ptr)) == TYPE_INTERFACE)
1302 warning_loc_info(&v->loc_info,
1303 "%s: pointer attribute applied to interface "
1304 "pointer type has no effect\n", v->name);
1305 if (!ptr_attr && top && (*pt)->details.pointer.def_fc != RPC_FC_RP)
1306 {
1307 /* FIXME: this is a horrible hack to cope with the issue that we
1308 * store an offset to the typeformat string in the type object, but
1309 * two typeformat strings may be written depending on whether the
1310 * pointer is a toplevel parameter or not */
1311 *pt = duptype(*pt, 1);
1312 }
1313 }
1314 else if (ptr_attr)
1315 error_loc("%s: pointer attribute applied to non-pointer type\n", v->name);
1316 }
1317
1318 if (is_attr(v->attrs, ATTR_STRING) && !is_ptr(v->type) && !arr)
1319 error_loc("'%s': [string] attribute applied to non-pointer, non-array type\n",
1320 v->name);
1321
1322 if (is_attr(v->attrs, ATTR_V1ENUM))
1323 {
1324 if (type_get_type_detect_alias(v->type) != TYPE_ENUM)
1325 error_loc("'%s': [v1_enum] attribute applied to non-enum type\n", v->name);
1326 }
1327
1328 ptype = &v->type;
1329 sizeless = FALSE;
1330 if (arr) LIST_FOR_EACH_ENTRY_REV(dim, arr, expr_t, entry)
1331 {
1332 if (sizeless)
1333 error_loc("%s: only the first array dimension can be unspecified\n", v->name);
1334
1335 if (dim->is_const)
1336 {
1337 if (dim->cval <= 0)
1338 error_loc("%s: array dimension must be positive\n", v->name);
1339
1340 /* FIXME: should use a type_memsize that allows us to pass in a pointer size */
1341 if (0)
1342 {
1343 unsigned int align = 0;
1344 unsigned int size = type_memsize(v->type, &align);
1345
1346 if (0xffffffffu / size < dim->cval)
1347 error_loc("%s: total array size is too large\n", v->name);
1348 }
1349 }
1350 else
1351 sizeless = TRUE;
1352
1353 *ptype = type_new_array(NULL, *ptype, FALSE,
1354 dim->is_const ? dim->cval : 0,
1355 dim->is_const ? NULL : dim, NULL,
1356 pointer_default);
1357 }
1358
1359 ptype = &v->type;
1360 if (sizes) LIST_FOR_EACH_ENTRY(dim, sizes, expr_t, entry)
1361 {
1362 if (dim->type != EXPR_VOID)
1363 {
1364 if (is_array(*ptype))
1365 {
1366 if (type_array_get_conformance(*ptype)->is_const)
1367 error_loc("%s: cannot specify size_is for a fixed sized array\n", v->name);
1368 else
1369 *ptype = type_new_array((*ptype)->name,
1370 type_array_get_element(*ptype), FALSE,
1371 0, dim, NULL, 0);
1372 }
1373 else if (is_ptr(*ptype))
1374 *ptype = type_new_array((*ptype)->name, type_pointer_get_ref(*ptype), TRUE,
1375 0, dim, NULL, pointer_default);
1376 else
1377 error_loc("%s: size_is attribute applied to illegal type\n", v->name);
1378 }
1379
1380 if (is_ptr(*ptype))
1381 ptype = &(*ptype)->details.pointer.ref;
1382 else if (is_array(*ptype))
1383 ptype = &(*ptype)->details.array.elem;
1384 else
1385 error_loc("%s: too many expressions in size_is attribute\n", v->name);
1386 }
1387
1388 ptype = &v->type;
1389 if (lengs) LIST_FOR_EACH_ENTRY(dim, lengs, expr_t, entry)
1390 {
1391 if (dim->type != EXPR_VOID)
1392 {
1393 if (is_array(*ptype))
1394 {
1395 *ptype = type_new_array((*ptype)->name,
1396 type_array_get_element(*ptype),
1397 type_array_is_decl_as_ptr(*ptype),
1398 type_array_get_dim(*ptype),
1399 type_array_get_conformance(*ptype),
1400 dim, type_array_get_ptr_default_fc(*ptype));
1401 }
1402 else
1403 error_loc("%s: length_is attribute applied to illegal type\n", v->name);
1404 }
1405
1406 if (is_ptr(*ptype))
1407 ptype = &(*ptype)->details.pointer.ref;
1408 else if (is_array(*ptype))
1409 ptype = &(*ptype)->details.array.elem;
1410 else
1411 error_loc("%s: too many expressions in length_is attribute\n", v->name);
1412 }
1413
1414 /* v->type is currently pointing to the type on the left-side of the
1415 * declaration, so we need to fix this up so that it is the return type of the
1416 * function and make v->type point to the function side of the declaration */
1417 if (func_type)
1418 {
1419 type_t *ft, *t;
1420 type_t *return_type = v->type;
1421 v->type = func_type;
1422 for (ft = v->type; is_ptr(ft); ft = type_pointer_get_ref(ft))
1423 ;
1424 assert(type_get_type_detect_alias(ft) == TYPE_FUNCTION);
1425 ft->details.function->rettype = return_type;
1426 /* move calling convention attribute, if present, from pointer nodes to
1427 * function node */
1428 for (t = v->type; is_ptr(t); t = type_pointer_get_ref(t))
1429 ft->attrs = move_attr(ft->attrs, t->attrs, ATTR_CALLCONV);
1430 if (is_object_interface && !is_attr(ft->attrs, ATTR_CALLCONV))
1431 {
1432 static char *stdmethodcalltype;
1433 if (!stdmethodcalltype) stdmethodcalltype = strdup("STDMETHODCALLTYPE");
1434 ft->attrs = append_attr(NULL, make_attrp(ATTR_CALLCONV, stdmethodcalltype));
1435 }
1436 }
1437 else
1438 {
1439 type_t *t;
1440 for (t = v->type; is_ptr(t); t = type_pointer_get_ref(t))
1441 if (is_attr(t->attrs, ATTR_CALLCONV))
1442 error_loc("calling convention applied to non-function-pointer type\n");
1443 }
1444 }
1445
1446 static var_list_t *set_var_types(attr_list_t *attrs, decl_spec_t *decl_spec, declarator_list_t *decls)
1447 {
1448 declarator_t *decl, *next;
1449 var_list_t *var_list = NULL;
1450
1451 LIST_FOR_EACH_ENTRY_SAFE( decl, next, decls, declarator_t, entry )
1452 {
1453 var_t *var = decl->var;
1454
1455 var->attrs = attrs;
1456 set_type(var, decl_spec, decl, 0);
1457 var_list = append_var(var_list, var);
1458 free(decl);
1459 }
1460 return var_list;
1461 }
1462
1463 static ifref_list_t *append_ifref(ifref_list_t *list, ifref_t *iface)
1464 {
1465 if (!iface) return list;
1466 if (!list)
1467 {
1468 list = xmalloc( sizeof(*list) );
1469 list_init( list );
1470 }
1471 list_add_tail( list, &iface->entry );
1472 return list;
1473 }
1474
1475 static ifref_t *make_ifref(type_t *iface)
1476 {
1477 ifref_t *l = xmalloc(sizeof(ifref_t));
1478 l->iface = iface;
1479 l->attrs = NULL;
1480 return l;
1481 }
1482
1483 var_list_t *append_var(var_list_t *list, var_t *var)
1484 {
1485 if (!var) return list;
1486 if (!list)
1487 {
1488 list = xmalloc( sizeof(*list) );
1489 list_init( list );
1490 }
1491 list_add_tail( list, &var->entry );
1492 return list;
1493 }
1494
1495 static var_list_t *append_var_list(var_list_t *list, var_list_t *vars)
1496 {
1497 if (!vars) return list;
1498 if (!list)
1499 {
1500 list = xmalloc( sizeof(*list) );
1501 list_init( list );
1502 }
1503 list_move_tail( list, vars );
1504 return list;
1505 }
1506
1507 var_t *make_var(char *name)
1508 {
1509 var_t *v = xmalloc(sizeof(var_t));
1510 v->name = name;
1511 v->type = NULL;
1512 v->attrs = NULL;
1513 v->eval = NULL;
1514 v->stgclass = STG_NONE;
1515 init_loc_info(&v->loc_info);
1516 return v;
1517 }
1518
1519 static declarator_list_t *append_declarator(declarator_list_t *list, declarator_t *d)
1520 {
1521 if (!d) return list;
1522 if (!list) {
1523 list = xmalloc(sizeof(*list));
1524 list_init(list);
1525 }
1526 list_add_tail(list, &d->entry);
1527 return list;
1528 }
1529
1530 static declarator_t *make_declarator(var_t *var)
1531 {
1532 declarator_t *d = xmalloc(sizeof(*d));
1533 d->var = var;
1534 d->type = NULL;
1535 d->func_type = NULL;
1536 d->array = NULL;
1537 return d;
1538 }
1539
1540 static func_list_t *append_func(func_list_t *list, func_t *func)
1541 {
1542 if (!func) return list;
1543 if (!list)
1544 {
1545 list = xmalloc( sizeof(*list) );
1546 list_init( list );
1547 }
1548 list_add_tail( list, &func->entry );
1549 return list;
1550 }
1551
1552 static func_t *make_func(var_t *def)
1553 {
1554 func_t *f = xmalloc(sizeof(func_t));
1555 f->def = def;
1556 return f;
1557 }
1558
1559 static type_t *make_safearray(type_t *type)
1560 {
1561 return type_new_array(NULL, type_new_alias(type, "SAFEARRAY"), TRUE, 0,
1562 NULL, NULL, RPC_FC_RP);
1563 }
1564
1565 static typelib_t *make_library(const char *name, const attr_list_t *attrs)
1566 {
1567 typelib_t *typelib = xmalloc(sizeof(*typelib));
1568 typelib->name = xstrdup(name);
1569 typelib->filename = NULL;
1570 typelib->attrs = attrs;
1571 list_init( &typelib->importlibs );
1572 return typelib;
1573 }
1574
1575 #define HASHMAX 64
1576
1577 static int hash_ident(const char *name)
1578 {
1579 const char *p = name;
1580 int sum = 0;
1581 /* a simple sum hash is probably good enough */
1582 while (*p) {
1583 sum += *p;
1584 p++;
1585 }
1586 return sum & (HASHMAX-1);
1587 }
1588
1589 /***** type repository *****/
1590
1591 struct rtype {
1592 const char *name;
1593 type_t *type;
1594 int t;
1595 struct rtype *next;
1596 };
1597
1598 struct rtype *type_hash[HASHMAX];
1599
1600 type_t *reg_type(type_t *type, const char *name, int t)
1601 {
1602 struct rtype *nt;
1603 int hash;
1604 if (!name) {
1605 error_loc("registering named type without name\n");
1606 return type;
1607 }
1608 hash = hash_ident(name);
1609 nt = xmalloc(sizeof(struct rtype));
1610 nt->name = name;
1611 nt->type = type;
1612 nt->t = t;
1613 nt->next = type_hash[hash];
1614 type_hash[hash] = nt;
1615 if ((t == tsSTRUCT || t == tsUNION))
1616 fix_incomplete_types(type);
1617 return type;
1618 }
1619
1620 static int is_incomplete(const type_t *t)
1621 {
1622 return !t->defined &&
1623 (type_get_type_detect_alias(t) == TYPE_STRUCT ||
1624 type_get_type_detect_alias(t) == TYPE_UNION ||
1625 type_get_type_detect_alias(t) == TYPE_ENCAPSULATED_UNION);
1626 }
1627
1628 void add_incomplete(type_t *t)
1629 {
1630 struct typenode *tn = xmalloc(sizeof *tn);
1631 tn->type = t;
1632 list_add_tail(&incomplete_types, &tn->entry);
1633 }
1634
1635 static void fix_type(type_t *t)
1636 {
1637 if (type_is_alias(t) && is_incomplete(t)) {
1638 type_t *ot = type_alias_get_aliasee(t);
1639 fix_type(ot);
1640 if (type_get_type_detect_alias(ot) == TYPE_STRUCT ||
1641 type_get_type_detect_alias(ot) == TYPE_UNION ||
1642 type_get_type_detect_alias(ot) == TYPE_ENCAPSULATED_UNION)
1643 t->details.structure = ot->details.structure;
1644 t->defined = ot->defined;
1645 }
1646 }
1647
1648 static void fix_incomplete(void)
1649 {
1650 struct typenode *tn, *next;
1651
1652 LIST_FOR_EACH_ENTRY_SAFE(tn, next, &incomplete_types, struct typenode, entry) {
1653 fix_type(tn->type);
1654 list_remove(&tn->entry);
1655 free(tn);
1656 }
1657 }
1658
1659 static void fix_incomplete_types(type_t *complete_type)
1660 {
1661 struct typenode *tn, *next;
1662
1663 LIST_FOR_EACH_ENTRY_SAFE(tn, next, &incomplete_types, struct typenode, entry)
1664 {
1665 if (type_is_equal(complete_type, tn->type))
1666 {
1667 tn->type->details.structure = complete_type->details.structure;
1668 list_remove(&tn->entry);
1669 free(tn);
1670 }
1671 }
1672 }
1673
1674 static type_t *reg_typedefs(decl_spec_t *decl_spec, declarator_list_t *decls, attr_list_t *attrs)
1675 {
1676 const declarator_t *decl;
1677 int is_str = is_attr(attrs, ATTR_STRING);
1678 type_t *type = decl_spec->type;
1679
1680 if (is_str)
1681 {
1682 type_t *t = decl_spec->type;
1683
1684 while (is_ptr(t))
1685 t = type_pointer_get_ref(t);
1686
1687 if (type_get_type(t) != TYPE_BASIC &&
1688 (get_basic_fc(t) != RPC_FC_CHAR &&
1689 get_basic_fc(t) != RPC_FC_BYTE &&
1690 get_basic_fc(t) != RPC_FC_WCHAR))
1691 {
1692 decl = LIST_ENTRY( list_head( decls ), const declarator_t, entry );
1693 error_loc("'%s': [string] attribute is only valid on 'char', 'byte', or 'wchar_t' pointers and arrays\n",
1694 decl->var->name);
1695 }
1696 }
1697
1698 /* We must generate names for tagless enum, struct or union.
1699 Typedef-ing a tagless enum, struct or union means we want the typedef
1700 to be included in a library hence the public attribute. */
1701 if ((type_get_type_detect_alias(type) == TYPE_ENUM ||
1702 type_get_type_detect_alias(type) == TYPE_STRUCT ||
1703 type_get_type_detect_alias(type) == TYPE_UNION ||
1704 type_get_type_detect_alias(type) == TYPE_ENCAPSULATED_UNION) &&
1705 !type->name && !parse_only)
1706 {
1707 if (! is_attr(attrs, ATTR_PUBLIC))
1708 attrs = append_attr( attrs, make_attr(ATTR_PUBLIC) );
1709 type->name = gen_name();
1710 }
1711 else if (is_attr(attrs, ATTR_UUID) && !is_attr(attrs, ATTR_PUBLIC))
1712 attrs = append_attr( attrs, make_attr(ATTR_PUBLIC) );
1713
1714 LIST_FOR_EACH_ENTRY( decl, decls, const declarator_t, entry )
1715 {
1716 var_t *name = decl->var;
1717
1718 if (name->name) {
1719 type_t *cur;
1720
1721 cur = find_type(name->name, 0);
1722 if (cur)
1723 error_loc("%s: redefinition error; original definition was at %s:%d\n",
1724 cur->name, cur->loc_info.input_name,
1725 cur->loc_info.line_number);
1726
1727 /* set the attributes to allow set_type to do some checks on them */
1728 name->attrs = attrs;
1729 set_type(name, decl_spec, decl, 0);
1730 cur = type_new_alias(name->type, name->name);
1731 cur->attrs = attrs;
1732
1733 if (is_incomplete(cur))
1734 add_incomplete(cur);
1735 reg_type(cur, cur->name, 0);
1736 }
1737 }
1738 return type;
1739 }
1740
1741 type_t *find_type(const char *name, int t)
1742 {
1743 struct rtype *cur = type_hash[hash_ident(name)];
1744 while (cur && (cur->t != t || strcmp(cur->name, name)))
1745 cur = cur->next;
1746 return cur ? cur->type : NULL;
1747 }
1748
1749 static type_t *find_type_or_error(const char *name, int t)
1750 {
1751 type_t *type = find_type(name, t);
1752 if (!type) {
1753 error_loc("type '%s' not found\n", name);
1754 return NULL;
1755 }
1756 return type;
1757 }
1758
1759 static type_t *find_type_or_error2(char *name, int t)
1760 {
1761 type_t *tp = find_type_or_error(name, t);
1762 free(name);
1763 return tp;
1764 }
1765
1766 int is_type(const char *name)
1767 {
1768 return find_type(name, 0) != NULL;
1769 }
1770
1771 type_t *get_type(enum type_type type, char *name, int t)
1772 {
1773 type_t *tp;
1774 if (name) {
1775 tp = find_type(name, t);
1776 if (tp) {
1777 free(name);
1778 return tp;
1779 }
1780 }
1781 tp = make_type(type);
1782 tp->name = name;
1783 if (!name) return tp;
1784 return reg_type(tp, name, t);
1785 }
1786
1787 /***** constant repository *****/
1788
1789 struct rconst {
1790 char *name;
1791 var_t *var;
1792 struct rconst *next;
1793 };
1794
1795 struct rconst *const_hash[HASHMAX];
1796
1797 static var_t *reg_const(var_t *var)
1798 {
1799 struct rconst *nc;
1800 int hash;
1801 if (!var->name) {
1802 error_loc("registering constant without name\n");
1803 return var;
1804 }
1805 hash = hash_ident(var->name);
1806 nc = xmalloc(sizeof(struct rconst));
1807 nc->name = var->name;
1808 nc->var = var;
1809 nc->next = const_hash[hash];
1810 const_hash[hash] = nc;
1811 return var;
1812 }
1813
1814 var_t *find_const(const char *name, int f)
1815 {
1816 struct rconst *cur = const_hash[hash_ident(name)];
1817 while (cur && strcmp(cur->name, name))
1818 cur = cur->next;
1819 if (!cur) {
1820 if (f) error_loc("constant '%s' not found\n", name);
1821 return NULL;
1822 }
1823 return cur->var;
1824 }
1825
1826 static char *gen_name(void)
1827 {
1828 static const char format[] = "__WIDL_%s_generated_name_%08lX";
1829 static unsigned long n = 0;
1830 static const char *file_id;
1831 static size_t size;
1832 char *name;
1833
1834 if (! file_id)
1835 {
1836 char *dst = dup_basename(input_name, ".idl");
1837 file_id = dst;
1838
1839 for (; *dst; ++dst)
1840 if (! isalnum((unsigned char) *dst))
1841 *dst = '_';
1842
1843 size = sizeof format - 7 + strlen(file_id) + 8;
1844 }
1845
1846 name = xmalloc(size);
1847 sprintf(name, format, file_id, n++);
1848 return name;
1849 }
1850
1851 struct allowed_attr
1852 {
1853 unsigned int dce_compatible : 1;
1854 unsigned int acf : 1;
1855 unsigned int on_interface : 1;
1856 unsigned int on_function : 1;
1857 unsigned int on_arg : 1;
1858 unsigned int on_type : 1;
1859 unsigned int on_enum : 1;
1860 unsigned int on_struct : 1;
1861 unsigned int on_union : 1;
1862 unsigned int on_field : 1;
1863 unsigned int on_library : 1;
1864 unsigned int on_dispinterface : 1;
1865 unsigned int on_module : 1;
1866 unsigned int on_coclass : 1;
1867 const char *display_name;
1868 };
1869
1870 struct allowed_attr allowed_attr[] =
1871 {
1872 /* attr { D ACF I Fn ARG T En St Un Fi L DI M C <display name> } */
1873 /* ATTR_AGGREGATABLE */ { 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 1, "aggregatable" },
1874 /* ATTR_APPOBJECT */ { 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 1, "appobject" },
1875 /* ATTR_ASYNC */ { 0, 1, 0, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, "async" },
1876 /* ATTR_AUTO_HANDLE */ { 1, 1, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, "auto_handle" },
1877 /* ATTR_BINDABLE */ { 0, 0, 0, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, "bindable" },
1878 /* ATTR_BROADCAST */ { 1, 0, 0, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, "broadcast" },
1879 /* ATTR_CALLAS */ { 0, 0, 0, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, "call_as" },
1880 /* ATTR_CALLCONV */ { 0, 0, 0, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, NULL },
1881 /* ATTR_CASE */ { 1, 0, 0, 0, 0, 0, 0, 0, 0, 1, 0, 0, 0, 0, "case" },
1882 /* ATTR_CONST */ { 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, "const" },
1883 /* ATTR_CONTEXTHANDLE */ { 1, 0, 0, 0, 0, 1, 0, 0, 0, 0, 0, 0, 0, 0, "context_handle" },
1884 /* ATTR_CONTROL */ { 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 1, 0, 0, 1, "control" },
1885 /* ATTR_DEFAULT */ { 0, 0, 1, 0, 0, 0, 0, 0, 0, 1, 0, 1, 0, 0, "default" },
1886 /* ATTR_DEFAULTCOLLELEM */ { 0, 0, 0, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, "defaultcollelem" },
1887 /* ATTR_DEFAULTVALUE */ { 0, 0, 0, 0, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, "defaultvalue" },
1888 /* ATTR_DEFAULTVTABLE */ { 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 1, "defaultvtable" },
1889 /* ATTR_DISPINTERFACE */ { 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, NULL },
1890 /* ATTR_DISPLAYBIND */ { 0, 0, 0, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, "displaybind" },
1891 /* ATTR_DLLNAME */ { 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 1, 0, "dllname" },
1892 /* ATTR_DUAL */ { 0, 0, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, "dual" },
1893 /* ATTR_ENDPOINT */ { 1, 0, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, "endpoint" },
1894 /* ATTR_ENTRY */ { 0, 0, 0, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, "entry" },
1895 /* ATTR_EXPLICIT_HANDLE */ { 1, 1, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, "explicit_handle" },
1896 /* ATTR_HANDLE */ { 1, 0, 0, 0, 0, 1, 0, 0, 0, 0, 0, 0, 0, 0, "handle" },
1897 /* ATTR_HELPCONTEXT */ { 0, 0, 1, 1, 0, 1, 1, 0, 0, 0, 1, 1, 1, 1, "helpcontext" },
1898 /* ATTR_HELPFILE */ { 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 1, 0, 0, 0, "helpfile" },
1899 /* ATTR_HELPSTRING */ { 0, 0, 1, 1, 0, 1, 1, 0, 0, 0, 1, 1, 1, 1, "helpstring" },
1900 /* ATTR_HELPSTRINGCONTEXT */ { 0, 0, 1, 1, 0, 1, 1, 0, 0, 0, 1, 1, 1, 1, "helpstringcontext" },
1901 /* ATTR_HELPSTRINGDLL */ { 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 1, 0, 0, 0, "helpstringdll" },
1902 /* ATTR_HIDDEN */ { 0, 0, 1, 1, 0, 0, 0, 0, 0, 0, 1, 1, 0, 1, "hidden" },
1903 /* ATTR_ID */ { 0, 0, 0, 1, 0, 0, 0, 0, 0, 1, 0, 0, 0, 0, "id" },
1904 /* ATTR_IDEMPOTENT */ { 1, 0, 0, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, "idempotent" },
1905 /* ATTR_IIDIS */ { 0, 0, 0, 0, 1, 0, 0, 0, 0, 1, 0, 0, 0, 0, "iid_is" },
1906 /* ATTR_IMMEDIATEBIND */ { 0, 0, 0, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, "immediatebind" },
1907 /* ATTR_IMPLICIT_HANDLE */ { 1, 1, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, "implicit_handle" },
1908 /* ATTR_IN */ { 0, 0, 0, 0, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, "in" },
1909 /* ATTR_INLINE */ { 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, "inline" },
1910 /* ATTR_INPUTSYNC */ { 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, "inputsync" },
1911 /* ATTR_LENGTHIS */ { 0, 0, 0, 0, 1, 0, 0, 0, 0, 1, 0, 0, 0, 0, "length_is" },
1912 /* ATTR_LIBLCID */ { 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 1, 0, 0, 0, "lcid" },
1913 /* ATTR_LOCAL */ { 1, 0, 1, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, "local" },
1914 /* ATTR_NONBROWSABLE */ { 0, 0, 0, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, "nonbrowsable" },
1915 /* ATTR_NONCREATABLE */ { 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 1, "noncreatable" },
1916 /* ATTR_NONEXTENSIBLE */ { 0, 0, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, "nonextensible" },
1917 /* ATTR_OBJECT */ { 0, 0, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, "object" },
1918 /* ATTR_ODL */ { 0, 0, 1, 0, 0, 0, 0, 0, 0, 0, 0, 1, 0, 0, "odl" },
1919 /* ATTR_OLEAUTOMATION */ { 0, 0, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, "oleautomation" },
1920 /* ATTR_OPTIONAL */ { 0, 0, 0, 0, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, "optional" },
1921 /* ATTR_OUT */ { 1, 0, 0, 0, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, "out" },
1922 /* ATTR_POINTERDEFAULT */ { 1, 0, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, "pointer_default" },
1923 /* ATTR_POINTERTYPE */ { 1, 0, 0, 0, 1, 1, 0, 0, 0, 1, 0, 0, 0, 0, "ref, unique or ptr" },
1924 /* ATTR_PROPGET */ { 0, 0, 0, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, "propget" },
1925 /* ATTR_PROPPUT */ { 0, 0, 0, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, "propput" },
1926 /* ATTR_PROPPUTREF */ { 0, 0, 0, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, "propputref" },
1927 /* ATTR_PUBLIC */ { 0, 0, 0, 0, 0, 1, 0, 0, 0, 0, 0, 0, 0, 0, "public" },
1928 /* ATTR_RANGE */ { 0, 0, 0, 0, 1, 1, 1, 0, 0, 1, 0, 0, 0, 0, "range" },
1929 /* ATTR_READONLY */ { 0, 0, 0, 0, 1, 0, 0, 0, 0, 1, 0, 0, 0, 0, "readonly" },
1930 /* ATTR_REQUESTEDIT */ { 0, 0, 0, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, "requestedit" },
1931 /* ATTR_RESTRICTED */ { 0, 0, 1, 1, 0, 1, 1, 1, 0, 0, 1, 1, 1, 0, "restricted" },
1932 /* ATTR_RETVAL */ { 0, 0, 0, 0, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, "retval" },
1933 /* ATTR_SIZEIS */ { 0, 0, 0, 0, 1, 0, 0, 0, 0, 1, 0, 0, 0, 0, "size_is" },
1934 /* ATTR_SOURCE */ { 0, 0, 1, 1, 0, 0, 0, 0, 0, 0, 0, 1, 0, 0, "source" },
1935 /* ATTR_STRICTCONTEXTHANDLE */ { 0, 0, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, "strict_context_handle" },
1936 /* ATTR_STRING */ { 1, 0, 0, 1, 1, 1, 0, 0, 0, 1, 0, 0, 0, 0, "string" },
1937 /* ATTR_SWITCHIS */ { 1, 0, 0, 0, 1, 0, 0, 0, 0, 1, 0, 0, 0, 0, "switch_is" },
1938 /* ATTR_SWITCHTYPE */ { 1, 0, 0, 0, 0, 1, 0, 0, 0, 1, 0, 0, 0, 0, "switch_type" },
1939 /* ATTR_TRANSMITAS */ { 1, 0, 0, 0, 0, 1, 0, 0, 0, 0, 0, 0, 0, 0, "transmit_as" },
1940 /* ATTR_UUID */ { 1, 0, 1, 0, 0, 1, 1, 0, 0, 0, 1, 1, 1, 1, "uuid" },
1941 /* ATTR_V1ENUM */ { 0, 0, 0, 0, 0, 1, 1, 0, 0, 0, 0, 0, 0, 0, "v1_enum" },
1942 /* ATTR_VARARG */ { 0, 0, 0, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, "vararg" },
1943 /* ATTR_VERSION */ { 1, 0, 1, 0, 0, 0, 0, 0, 0, 0, 1, 0, 0, 0, "version" },
1944 /* ATTR_WIREMARSHAL */ { 1, 0, 0, 0, 0, 1, 0, 0, 0, 0, 0, 0, 0, 0, "wire_marshal" },
1945 };
1946
1947 const char *get_attr_display_name(enum attr_type type)
1948 {
1949 return allowed_attr[type].display_name;
1950 }
1951
1952 static attr_list_t *check_iface_attrs(const char *name, attr_list_t *attrs)
1953 {
1954 const attr_t *attr;
1955 if (!attrs) return attrs;
1956 LIST_FOR_EACH_ENTRY(attr, attrs, const attr_t, entry)
1957 {
1958 if (!allowed_attr[attr->type].on_interface)
1959 error_loc("inapplicable attribute %s for interface %s\n",
1960 allowed_attr[attr->type].display_name, name);
1961 }
1962 return attrs;
1963 }
1964
1965 static attr_list_t *check_function_attrs(const char *name, attr_list_t *attrs)
1966 {
1967 const attr_t *attr;
1968 if (!attrs) return attrs;
1969 LIST_FOR_EACH_ENTRY(attr, attrs, const attr_t, entry)
1970 {
1971 if (!allowed_attr[attr->type].on_function)
1972 error_loc("inapplicable attribute %s for function %s\n",
1973 allowed_attr[attr->type].display_name, name);
1974 }
1975 return attrs;
1976 }
1977
1978 static void check_arg(var_t *arg)
1979 {
1980 const type_t *t = arg->type;
1981 const attr_t *attr;
1982
1983 if (type_get_type(t) == TYPE_VOID)
1984 error_loc("argument '%s' has void type\n", arg->name);
1985
1986 if (arg->attrs)
1987 {
1988 LIST_FOR_EACH_ENTRY(attr, arg->attrs, const attr_t, entry)
1989 {
1990 if (!allowed_attr[attr->type].on_arg)
1991 error_loc("inapplicable attribute %s for argument %s\n",
1992 allowed_attr[attr->type].display_name, arg->name);
1993 }
1994 }
1995 }
1996
1997 static attr_list_t *check_typedef_attrs(attr_list_t *attrs)
1998 {
1999 const attr_t *attr;
2000 if (!attrs) return attrs;
2001 LIST_FOR_EACH_ENTRY(attr, attrs, const attr_t, entry)
2002 {
2003 if (!allowed_attr[attr->type].on_type)
2004 error_loc("inapplicable attribute %s for typedef\n",
2005 allowed_attr[attr->type].display_name);
2006 }
2007 return attrs;
2008 }
2009
2010 static attr_list_t *check_enum_attrs(attr_list_t *attrs)
2011 {
2012 const attr_t *attr;
2013 if (!attrs) return attrs;
2014 LIST_FOR_EACH_ENTRY(attr, attrs, const attr_t, entry)
2015 {
2016 if (!allowed_attr[attr->type].on_enum)
2017 error_loc("inapplicable attribute %s for enum\n",
2018 allowed_attr[attr->type].display_name);
2019 }
2020 return attrs;
2021 }
2022
2023 static attr_list_t *check_struct_attrs(attr_list_t *attrs)
2024 {
2025 const attr_t *attr;
2026 if (!attrs) return attrs;
2027 LIST_FOR_EACH_ENTRY(attr, attrs, const attr_t, entry)
2028 {
2029 if (!allowed_attr[attr->type].on_struct)
2030 error_loc("inapplicable attribute %s for struct\n",
2031 allowed_attr[attr->type].display_name);
2032 }
2033 return attrs;
2034 }
2035
2036 static attr_list_t *check_union_attrs(attr_list_t *attrs)
2037 {
2038 const attr_t *attr;
2039 if (!attrs) return attrs;
2040 LIST_FOR_EACH_ENTRY(attr, attrs, const attr_t, entry)
2041 {
2042 if (!allowed_attr[attr->type].on_union)
2043 error_loc("inapplicable attribute %s for union\n",
2044 allowed_attr[attr->type].display_name);
2045 }
2046 return attrs;
2047 }
2048
2049 static attr_list_t *check_field_attrs(const char *name, attr_list_t *attrs)
2050 {
2051 const attr_t *attr;
2052 if (!attrs) return attrs;
2053 LIST_FOR_EACH_ENTRY(attr, attrs, const attr_t, entry)
2054 {
2055 if (!allowed_attr[attr->type].on_field)
2056 error_loc("inapplicable attribute %s for field %s\n",
2057 allowed_attr[attr->type].display_name, name);
2058 }
2059 return attrs;
2060 }
2061
2062 static attr_list_t *check_library_attrs(const char *name, attr_list_t *attrs)
2063 {
2064 const attr_t *attr;
2065 if (!attrs) return attrs;
2066 LIST_FOR_EACH_ENTRY(attr, attrs, const attr_t, entry)
2067 {
2068 if (!allowed_attr[attr->type].on_library)
2069 error_loc("inapplicable attribute %s for library %s\n",
2070 allowed_attr[attr->type].display_name, name);
2071 }
2072 return attrs;
2073 }
2074
2075 static attr_list_t *check_dispiface_attrs(const char *name, attr_list_t *attrs)
2076 {
2077 const attr_t *attr;
2078 if (!attrs) return attrs;
2079 LIST_FOR_EACH_ENTRY(attr, attrs, const attr_t, entry)
2080 {
2081 if (!allowed_attr[attr->type].on_dispinterface)
2082 error_loc("inapplicable attribute %s for dispinterface %s\n",
2083 allowed_attr[attr->type].display_name, name);
2084 }
2085 return attrs;
2086 }
2087
2088 static attr_list_t *check_module_attrs(const char *name, attr_list_t *attrs)
2089 {
2090 const attr_t *attr;
2091 if (!attrs) return attrs;
2092 LIST_FOR_EACH_ENTRY(attr, attrs, const attr_t, entry)
2093 {
2094 if (!allowed_attr[attr->type].on_module)
2095 error_loc("inapplicable attribute %s for module %s\n",
2096 allowed_attr[attr->type].display_name, name);
2097 }
2098 return attrs;
2099 }
2100
2101 static attr_list_t *check_coclass_attrs(const char *name, attr_list_t *attrs)
2102 {
2103 const attr_t *attr;
2104 if (!attrs) return attrs;
2105 LIST_FOR_EACH_ENTRY(attr, attrs, const attr_t, entry)
2106 {
2107 if (!allowed_attr[attr->type].on_coclass)
2108 error_loc("inapplicable attribute %s for coclass %s\n",
2109 allowed_attr[attr->type].display_name, name);
2110 }
2111 return attrs;
2112 }
2113
2114 static int is_allowed_conf_type(const type_t *type)
2115 {
2116 switch (type_get_type(type))
2117 {
2118 case TYPE_ENUM:
2119 return TRUE;
2120 case TYPE_BASIC:
2121 switch (type_basic_get_type(type))
2122 {
2123 case TYPE_BASIC_INT8:
2124 case TYPE_BASIC_INT16:
2125 case TYPE_BASIC_INT32:
2126 case TYPE_BASIC_INT64:
2127 case TYPE_BASIC_INT:
2128 case TYPE_BASIC_CHAR:
2129 case TYPE_BASIC_HYPER:
2130 case TYPE_BASIC_BYTE:
2131 case TYPE_BASIC_WCHAR:
2132 case TYPE_BASIC_ERROR_STATUS_T:
2133 return TRUE;
2134 default:
2135 return FALSE;
2136 }
2137 case TYPE_ALIAS:
2138 /* shouldn't get here because of type_get_type call above */
2139 assert(0);
2140 /* fall through */
2141 case TYPE_STRUCT:
2142 case TYPE_UNION:
2143 case TYPE_ENCAPSULATED_UNION:
2144 case TYPE_ARRAY:
2145 case TYPE_POINTER:
2146 case TYPE_VOID:
2147 case TYPE_MODULE:
2148 case TYPE_COCLASS:
2149 case TYPE_FUNCTION:
2150 case TYPE_INTERFACE:
2151 return FALSE;
2152 }
2153 return FALSE;
2154 }
2155
2156 static int is_ptr_guid_type(const type_t *type)
2157 {
2158 unsigned int align = 0;
2159
2160 /* first, make sure it is a pointer to something */
2161 if (!is_ptr(type)) return FALSE;
2162
2163 /* second, make sure it is a pointer to something of size sizeof(GUID),
2164 * i.e. 16 bytes */
2165 return (type_memsize(type_pointer_get_ref(type), &align) == 16);
2166 }
2167
2168 static void check_conformance_expr_list(const char *attr_name, const var_t *arg, const type_t *container_type, expr_list_t *expr_list)
2169 {
2170 expr_t *dim;
2171 struct expr_loc expr_loc;
2172 expr_loc.v = arg;
2173 expr_loc.attr = attr_name;
2174 if (expr_list) LIST_FOR_EACH_ENTRY(dim, expr_list, expr_t, entry)
2175 {
2176 if (dim->type != EXPR_VOID)
2177 {
2178 const type_t *expr_type = expr_resolve_type(&expr_loc, container_type, dim);
2179 if (!is_allowed_conf_type(expr_type))
2180 error_loc_info(&arg->loc_info, "expression must resolve to integral type <= 32bits for attribute %s\n",
2181 attr_name);
2182 }
2183 }
2184 }
2185
2186 static void check_remoting_fields(const var_t *var, type_t *type);
2187
2188 /* checks that properties common to fields and arguments are consistent */
2189 static void check_field_common(const type_t *container_type,
2190 const char *container_name, const var_t *arg)
2191 {
2192 type_t *type = arg->type;
2193 int more_to_do;
2194 const char *container_type_name = NULL;
2195
2196 switch (type_get_type_detect_alias(type))
2197 {
2198 case TYPE_STRUCT:
2199 container_type_name = "struct";
2200 break;
2201 case TYPE_UNION:
2202 container_type_name = "union";
2203 break;
2204 case TYPE_ENCAPSULATED_UNION:
2205 container_type_name = "encapsulated union";
2206 break;
2207 case TYPE_FUNCTION:
2208 container_type_name = "function";
2209 break;
2210 default:
2211 break;
2212 }
2213
2214 if (is_attr(arg->attrs, ATTR_LENGTHIS) &&
2215 (is_attr(arg->attrs, ATTR_STRING) || is_aliaschain_attr(arg->type, ATTR_STRING)))
2216 error_loc_info(&arg->loc_info,
2217 "string and length_is specified for argument %s are mutually exclusive attributes\n",
2218 arg->name);
2219
2220 if (is_attr(arg->attrs, ATTR_SIZEIS))
2221 {
2222 expr_list_t *size_is_exprs = get_attrp(arg->attrs, ATTR_SIZEIS);
2223 check_conformance_expr_list("size_is", arg, container_type, size_is_exprs);
2224 }
2225 if (is_attr(arg->attrs, ATTR_LENGTHIS))
2226 {
2227 expr_list_t *length_is_exprs = get_attrp(arg->attrs, ATTR_LENGTHIS);
2228 check_conformance_expr_list("length_is", arg, container_type, length_is_exprs);
2229 }
2230 if (is_attr(arg->attrs, ATTR_IIDIS))
2231 {
2232 struct expr_loc expr_loc;
2233 expr_t *expr = get_attrp(arg->attrs, ATTR_IIDIS);
2234 if (expr->type != EXPR_VOID)
2235 {
2236 const type_t *expr_type;
2237 expr_loc.v = arg;
2238 expr_loc.attr = "iid_is";
2239 expr_type = expr_resolve_type(&expr_loc, container_type, expr);
2240 if (!expr_type || !is_ptr_guid_type(expr_type))
2241 error_loc_info(&arg->loc_info, "expression must resolve to pointer to GUID type for attribute iid_is\n");
2242 }
2243 }
2244 if (is_attr(arg->attrs, ATTR_SWITCHIS))
2245 {
2246 struct expr_loc expr_loc;
2247 expr_t *expr = get_attrp(arg->attrs, ATTR_SWITCHIS);
2248 if (expr->type != EXPR_VOID)
2249 {
2250 const type_t *expr_type;
2251 expr_loc.v = arg;
2252 expr_loc.attr = "switch_is";
2253 expr_type = expr_resolve_type(&expr_loc, container_type, expr);
2254 if (!expr_type || !is_allowed_conf_type(expr_type))
2255 error_loc_info(&arg->loc_info, "expression must resolve to integral type <= 32bits for attribute %s\n",
2256 expr_loc.attr);
2257 }
2258 }
2259
2260 do
2261 {
2262 more_to_do = FALSE;
2263
2264 switch (typegen_detect_type(type, arg->attrs, TDT_IGNORE_STRINGS))
2265 {
2266 case TGT_STRUCT:
2267 case TGT_UNION:
2268 check_remoting_fields(arg, type);
2269 break;
2270 case TGT_INVALID:
2271 switch (type_get_type(type))
2272 {
2273 case TYPE_VOID:
2274 error_loc_info(&arg->loc_info, "parameter \'%s\' of %s \'%s\' cannot derive from void *\n",
2275 arg->name, container_type_name, container_name);
2276 break;
2277 case TYPE_FUNCTION:
2278 error_loc_info(&arg->loc_info, "parameter \'%s\' of %s \'%s\' cannot be a function pointer\n",
2279 arg->name, container_type_name, container_name);
2280 break;
2281 case TYPE_COCLASS:
2282 case TYPE_INTERFACE:
2283 case TYPE_MODULE:
2284 /* FIXME */
2285 break;
2286 default:
2287 break;
2288 }
2289 case TGT_CTXT_HANDLE:
2290 case TGT_CTXT_HANDLE_POINTER:
2291 /* FIXME */
2292 break;
2293 case TGT_POINTER:
2294 type = type_pointer_get_ref(type);
2295 more_to_do = TRUE;
2296 break;
2297 case TGT_ARRAY:
2298 type = type_array_get_element(type);
2299 more_to_do = TRUE;
2300 break;
2301 case TGT_USER_TYPE:
2302 case TGT_STRING:
2303 case TGT_IFACE_POINTER:
2304 case TGT_BASIC:
2305 case TGT_ENUM:
2306 /* nothing to do */
2307 break;
2308 }
2309 } while (more_to_do);
2310 }
2311
2312 static void check_remoting_fields(const var_t *var, type_t *type)
2313 {
2314 const var_t *field;
2315 const var_list_t *fields = NULL;
2316
2317 type = type_get_real_type(type);
2318
2319 if (type->checked)
2320 return;
2321
2322 type->checked = TRUE;
2323
2324 if (type_get_type(type) == TYPE_STRUCT)
2325 {
2326 if (type_is_complete(type))
2327 fields = type_struct_get_fields(type);
2328 else
2329 error_loc_info(&var->loc_info, "undefined type declaration %s\n", type->name);
2330 }
2331 else if (type_get_type(type) == TYPE_UNION || type_get_type(type) == TYPE_ENCAPSULATED_UNION)
2332 fields = type_union_get_cases(type);
2333
2334 if (fields) LIST_FOR_EACH_ENTRY( field, fields, const var_t, entry )
2335 if (field->type) check_field_common(type, type->name, field);
2336 }
2337
2338 /* checks that arguments for a function make sense for marshalling and unmarshalling */
2339 static void check_remoting_args(const var_t *func)
2340 {
2341 const char *funcname = func->name;
2342 const var_t *arg;
2343
2344 if (func->type->details.function->args) LIST_FOR_EACH_ENTRY( arg, func->type->details.function->args, const var_t, entry )
2345 {
2346 const type_t *type = arg->type;
2347
2348 /* check that [out] parameters have enough pointer levels */
2349 if (is_attr(arg->attrs, ATTR_OUT))
2350 {
2351 switch (typegen_detect_type(type, arg->attrs, TDT_ALL_TYPES))
2352 {
2353 case TGT_BASIC:
2354 case TGT_ENUM:
2355 case TGT_STRUCT:
2356 case TGT_UNION:
2357 case TGT_CTXT_HANDLE:
2358 case TGT_USER_TYPE:
2359 error_loc_info(&arg->loc_info, "out parameter \'%s\' of function \'%s\' is not a pointer\n", arg->name, funcname);
2360 break;
2361 case TGT_IFACE_POINTER:
2362 error_loc_info(&arg->loc_info, "out interface pointer \'%s\' of function \'%s\' is not a double pointer\n", arg->name, funcname);
2363 break;
2364 case TGT_STRING:
2365 if (!is_array(type))
2366 {
2367 /* FIXME */
2368 }
2369 break;
2370 case TGT_INVALID:
2371 /* already error'd before we get here */
2372 case TGT_CTXT_HANDLE_POINTER:
2373 case TGT_POINTER:
2374 case TGT_ARRAY:
2375 /* OK */
2376 break;
2377 }
2378 }
2379
2380 check_field_common(func->type, funcname, arg);
2381 }
2382 }
2383
2384 static void add_explicit_handle_if_necessary(var_t *func)
2385 {
2386 const var_t* explicit_handle_var;
2387 const var_t* explicit_generic_handle_var = NULL;
2388 const var_t* context_handle_var = NULL;
2389
2390 /* check for a defined binding handle */
2391 explicit_handle_var = get_explicit_handle_var(func);
2392 if (!explicit_handle_var)
2393 {
2394 explicit_generic_handle_var = get_explicit_generic_handle_var(func);
2395 if (!explicit_generic_handle_var)
2396 {
2397 context_handle_var = get_context_handle_var(func);
2398 if (!context_handle_var)
2399 {
2400 /* no explicit handle specified so add
2401 * "[in] handle_t IDL_handle" as the first parameter to the
2402 * function */
2403 var_t *idl_handle = make_var(xstrdup("IDL_handle"));
2404 idl_handle->attrs = append_attr(NULL, make_attr(ATTR_IN));
2405 idl_handle->type = find_type_or_error("handle_t", 0);
2406 type_function_add_head_arg(func->type, idl_handle);
2407 }
2408 }
2409 }
2410 }
2411
2412 static void check_functions(const type_t *iface, int is_inside_library)
2413 {
2414 const statement_t *stmt;
2415 if (is_attr(iface->attrs, ATTR_EXPLICIT_HANDLE))
2416 {
2417 STATEMENTS_FOR_EACH_FUNC( stmt, type_iface_get_stmts(iface) )
2418 {
2419 var_t *func = stmt->u.var;
2420 add_explicit_handle_if_necessary(func);
2421 }
2422 }
2423 if (!is_inside_library && !is_attr(iface->attrs, ATTR_LOCAL))
2424 {
2425 STATEMENTS_FOR_EACH_FUNC( stmt, type_iface_get_stmts(iface) )
2426 {
2427 const var_t *func = stmt->u.var;
2428 if (!is_attr(func->attrs, ATTR_LOCAL))
2429 check_remoting_args(func);
2430 }
2431 }
2432 }
2433
2434 static void check_statements(const statement_list_t *stmts, int is_inside_library)
2435 {
2436 const statement_t *stmt;
2437
2438 if (stmts) LIST_FOR_EACH_ENTRY(stmt, stmts, const statement_t, entry)
2439 {
2440 if (stmt->type == STMT_LIBRARY)
2441 check_statements(stmt->u.lib->stmts, TRUE);
2442 else if (stmt->type == STMT_TYPE && type_get_type(stmt->u.type) == TYPE_INTERFACE)
2443 check_functions(stmt->u.type, is_inside_library);
2444 }
2445 }
2446
2447 static void check_all_user_types(const statement_list_t *stmts)
2448 {
2449 const statement_t *stmt;
2450
2451 if (stmts) LIST_FOR_EACH_ENTRY(stmt, stmts, const statement_t, entry)
2452 {
2453 if (stmt->type == STMT_LIBRARY)
2454 check_all_user_types(stmt->u.lib->stmts);
2455 else if (stmt->type == STMT_TYPE && type_get_type(stmt->u.type) == TYPE_INTERFACE &&
2456 !is_local(stmt->u.type->attrs))
2457 {
2458 const statement_t *stmt_func;
2459 STATEMENTS_FOR_EACH_FUNC(stmt_func, type_iface_get_stmts(stmt->u.type)) {
2460 const var_t *func = stmt_func->u.var;
2461 check_for_additional_prototype_types(func->type->details.function->args);
2462 }
2463 }
2464 }
2465 }
2466
2467 int is_valid_uuid(const char *s)
2468 {
2469 int i;
2470
2471 for (i = 0; i < 36; ++i)
2472 if (i == 8 || i == 13 || i == 18 || i == 23)
2473 {
2474 if (s[i] != '-')
2475 return FALSE;
2476 }
2477 else
2478 if (!isxdigit(s[i]))
2479 return FALSE;
2480
2481 return s[i] == '\0';
2482 }
2483
2484 static statement_t *make_statement(enum statement_type type)
2485 {
2486 statement_t *stmt = xmalloc(sizeof(*stmt));
2487 stmt->type = type;
2488 return stmt;
2489 }
2490
2491 static statement_t *make_statement_type_decl(type_t *type)
2492 {
2493 statement_t *stmt = make_statement(STMT_TYPE);
2494 stmt->u.type = type;
2495 return stmt;
2496 }
2497
2498 static statement_t *make_statement_reference(type_t *type)
2499 {
2500 statement_t *stmt = make_statement(STMT_TYPEREF);
2501 stmt->u.type = type;
2502 return stmt;
2503 }
2504
2505 static statement_t *make_statement_declaration(var_t *var)
2506 {
2507 statement_t *stmt = make_statement(STMT_DECLARATION);
2508 stmt->u.var = var;
2509 if (var->stgclass == STG_EXTERN && var->eval)
2510 warning("'%s' initialised and declared extern\n", var->name);
2511 if (is_const_decl(var))
2512 {
2513 if (var->eval)
2514 reg_const(var);
2515 }
2516 else if ((var->stgclass == STG_NONE || var->stgclass == STG_REGISTER) &&
2517 type_get_type(var->type) != TYPE_FUNCTION)
2518 error_loc("instantiation of data is illegal\n");
2519 return stmt;
2520 }
2521
2522 static statement_t *make_statement_library(typelib_t *typelib)
2523 {
2524 statement_t *stmt = make_statement(STMT_LIBRARY);
2525 stmt->u.lib = typelib;
2526 return stmt;
2527 }
2528
2529 static statement_t *make_statement_cppquote(const char *str)
2530 {
2531 statement_t *stmt = make_statement(STMT_CPPQUOTE);
2532 stmt->u.str = str;
2533 return stmt;
2534 }
2535
2536 static statement_t *make_statement_importlib(const char *str)
2537 {
2538 statement_t *stmt = make_statement(STMT_IMPORTLIB);
2539 stmt->u.str = str;
2540 return stmt;
2541 }
2542
2543 static statement_t *make_statement_import(const char *str)
2544 {
2545 statement_t *stmt = make_statement(STMT_IMPORT);
2546 stmt->u.str = str;
2547 return stmt;
2548 }
2549
2550 static statement_t *make_statement_module(type_t *type)
2551 {
2552 statement_t *stmt = make_statement(STMT_MODULE);
2553 stmt->u.type = type;
2554 return stmt;
2555 }
2556
2557 static statement_t *make_statement_typedef(declarator_list_t *decls)
2558 {
2559 declarator_t *decl, *next;
2560 statement_t *stmt;
2561 type_list_t **type_list;
2562
2563 if (!decls) return NULL;
2564
2565 stmt = make_statement(STMT_TYPEDEF);
2566 stmt->u.type_list = NULL;
2567 type_list = &stmt->u.type_list;
2568
2569 LIST_FOR_EACH_ENTRY_SAFE( decl, next, decls, declarator_t, entry )
2570 {
2571 var_t *var = decl->var;
2572 type_t *type = find_type_or_error(var->name, 0);
2573 *type_list = xmalloc(sizeof(type_list_t));
2574 (*type_list)->type = type;
2575 (*type_list)->next = NULL;
2576
2577 type_list = &(*type_list)->next;
2578 free(decl);
2579 free(var);
2580 }
2581
2582 return stmt;
2583 }
2584
2585 static statement_list_t *append_statement(statement_list_t *list, statement_t *stmt)
2586 {
2587 if (!stmt) return list;
2588 if (!list)
2589 {
2590 list = xmalloc( sizeof(*list) );
2591 list_init( list );
2592 }
2593 list_add_tail( list, &stmt->entry );
2594 return list;
2595 }
2596
2597 void init_loc_info(loc_info_t *i)
2598 {
2599 i->input_name = input_name ? input_name : "stdin";
2600 i->line_number = line_number;
2601 i->near_text = parser_text;
2602 }
2603
2604 static void check_def(const type_t *t)
2605 {
2606 if (t->defined)
2607 error_loc("%s: redefinition error; original definition was at %s:%d\n",
2608 t->name, t->loc_info.input_name, t->loc_info.line_number);
2609 }
useful hacks and other patches not (yet) suitable for mainline