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d3dx9: Fix D3DXQuaternionNormalize to make tests pass in Windows.
[wine/wine-gecko.git] / tools / widl / parser.y
blobc2f1abc215100a6e19b76a6fd979dfa091791ca5
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 ')' { $$ = make_attrp(ATTR_LIBLCID, $3); }
512 | tLCID { $$ = make_attr(ATTR_PARAMLCID); }
513 | tLOCAL { $$ = make_attr(ATTR_LOCAL); }
514 | tNONBROWSABLE { $$ = make_attr(ATTR_NONBROWSABLE); }
515 | tNONCREATABLE { $$ = make_attr(ATTR_NONCREATABLE); }
516 | tNONEXTENSIBLE { $$ = make_attr(ATTR_NONEXTENSIBLE); }
517 | tOBJECT { $$ = make_attr(ATTR_OBJECT); }
518 | tODL { $$ = make_attr(ATTR_ODL); }
519 | tOLEAUTOMATION { $$ = make_attr(ATTR_OLEAUTOMATION); }
520 | tOPTIONAL { $$ = make_attr(ATTR_OPTIONAL); }
521 | tOUT { $$ = make_attr(ATTR_OUT); }
522 | tPOINTERDEFAULT '(' pointer_type ')' { $$ = make_attrv(ATTR_POINTERDEFAULT, $3); }
523 | tPROPGET { $$ = make_attr(ATTR_PROPGET); }
524 | tPROPPUT { $$ = make_attr(ATTR_PROPPUT); }
525 | tPROPPUTREF { $$ = make_attr(ATTR_PROPPUTREF); }
526 | tPUBLIC { $$ = make_attr(ATTR_PUBLIC); }
527 | tRANGE '(' expr_int_const ',' expr_int_const ')'
528 { expr_list_t *list = append_expr( NULL, $3 );
529 list = append_expr( list, $5 );
530 $$ = make_attrp(ATTR_RANGE, list); }
531 | tREADONLY { $$ = make_attr(ATTR_READONLY); }
532 | tREQUESTEDIT { $$ = make_attr(ATTR_REQUESTEDIT); }
533 | tRESTRICTED { $$ = make_attr(ATTR_RESTRICTED); }
534 | tRETVAL { $$ = make_attr(ATTR_RETVAL); }
535 | tSIZEIS '(' m_exprs ')' { $$ = make_attrp(ATTR_SIZEIS, $3); }
536 | tSOURCE { $$ = make_attr(ATTR_SOURCE); }
537 | tSTRICTCONTEXTHANDLE { $$ = make_attr(ATTR_STRICTCONTEXTHANDLE); }
538 | tSTRING { $$ = make_attr(ATTR_STRING); }
539 | tSWITCHIS '(' expr ')' { $$ = make_attrp(ATTR_SWITCHIS, $3); }
540 | tSWITCHTYPE '(' type ')' { $$ = make_attrp(ATTR_SWITCHTYPE, $3); }
541 | tTRANSMITAS '(' type ')' { $$ = make_attrp(ATTR_TRANSMITAS, $3); }
542 | tUUID '(' uuid_string ')' { $$ = make_attrp(ATTR_UUID, $3); }
543 | tV1ENUM { $$ = make_attr(ATTR_V1ENUM); }
544 | tVARARG { $$ = make_attr(ATTR_VARARG); }
545 | tVERSION '(' version ')' { $$ = make_attrv(ATTR_VERSION, $3); }
546 | tWIREMARSHAL '(' type ')' { $$ = make_attrp(ATTR_WIREMARSHAL, $3); }
547 | pointer_type { $$ = make_attrv(ATTR_POINTERTYPE, $1); }
548 ;
549
550 uuid_string:
551 aUUID
552 | aSTRING { if (!is_valid_uuid($1))
553 error_loc("invalid UUID: %s\n", $1);
554 $$ = parse_uuid($1); }
555 ;
556
557 callconv: tCDECL { $$ = $<str>1; }
558 | tFASTCALL { $$ = $<str>1; }
559 | tPASCAL { $$ = $<str>1; }
560 | tSTDCALL { $$ = $<str>1; }
561 ;
562
563 cases: { $$ = NULL; }
564 | cases case { $$ = append_var( $1, $2 ); }
565 ;
566
567 case: tCASE expr_int_const ':' union_field { attr_t *a = make_attrp(ATTR_CASE, append_expr( NULL, $2 ));
568 $$ = $4; if (!$$) $$ = make_var(NULL);
569 $$->attrs = append_attr( $$->attrs, a );
570 }
571 | tDEFAULT ':' union_field { attr_t *a = make_attr(ATTR_DEFAULT);
572 $$ = $3; if (!$$) $$ = make_var(NULL);
573 $$->attrs = append_attr( $$->attrs, a );
574 }
575 ;
576
577 enums: { $$ = NULL; }
578 | enum_list ',' { $$ = $1; }
579 | enum_list
580 ;
581
582 enum_list: enum { if (!$1->eval)
583 $1->eval = make_exprl(EXPR_NUM, 0 /* default for first enum entry */);
584 $$ = append_var( NULL, $1 );
585 }
586 | enum_list ',' enum { if (!$3->eval)
587 {
588 var_t *last = LIST_ENTRY( list_tail($$), var_t, entry );
589 $3->eval = make_exprl(EXPR_NUM, last->eval->cval + 1);
590 }
591 $$ = append_var( $1, $3 );
592 }
593 ;
594
595 enum: ident '=' expr_int_const { $$ = reg_const($1);
596 $$->eval = $3;
597 $$->type = type_new_int(TYPE_BASIC_INT, 0);
598 }
599 | ident { $$ = reg_const($1);
600 $$->type = type_new_int(TYPE_BASIC_INT, 0);
601 }
602 ;
603
604 enumdef: tENUM t_ident '{' enums '}' { $$ = type_new_enum($2, TRUE, $4); }
605 ;
606
607 m_exprs: m_expr { $$ = append_expr( NULL, $1 ); }
608 | m_exprs ',' m_expr { $$ = append_expr( $1, $3 ); }
609 ;
610
611 /*
612 exprs: { $$ = make_expr(EXPR_VOID); }
613 | expr_list
614 ;
615
616 expr_list: expr
617 | expr_list ',' expr { LINK($3, $1); $$ = $3; }
618 ;
619 */
620
621 m_expr: { $$ = make_expr(EXPR_VOID); }
622 | expr
623 ;
624
625 expr: aNUM { $$ = make_exprl(EXPR_NUM, $1); }
626 | aHEXNUM { $$ = make_exprl(EXPR_HEXNUM, $1); }
627 | aDOUBLE { $$ = make_exprd(EXPR_DOUBLE, $1); }
628 | tFALSE { $$ = make_exprl(EXPR_TRUEFALSE, 0); }
629 | tNULL { $$ = make_exprl(EXPR_NUM, 0); }
630 | tTRUE { $$ = make_exprl(EXPR_TRUEFALSE, 1); }
631 | aSTRING { $$ = make_exprs(EXPR_STRLIT, $1); }
632 | aWSTRING { $$ = make_exprs(EXPR_WSTRLIT, $1); }
633 | aIDENTIFIER { $$ = make_exprs(EXPR_IDENTIFIER, $1); }
634 | expr '?' expr ':' expr { $$ = make_expr3(EXPR_COND, $1, $3, $5); }
635 | expr LOGICALOR expr { $$ = make_expr2(EXPR_LOGOR, $1, $3); }
636 | expr LOGICALAND expr { $$ = make_expr2(EXPR_LOGAND, $1, $3); }
637 | expr '|' expr { $$ = make_expr2(EXPR_OR , $1, $3); }
638 | expr '^' expr { $$ = make_expr2(EXPR_XOR, $1, $3); }
639 | expr '&' expr { $$ = make_expr2(EXPR_AND, $1, $3); }
640 | expr EQUALITY expr { $$ = make_expr2(EXPR_EQUALITY, $1, $3); }
641 | expr INEQUALITY expr { $$ = make_expr2(EXPR_INEQUALITY, $1, $3); }
642 | expr '>' expr { $$ = make_expr2(EXPR_GTR, $1, $3); }
643 | expr '<' expr { $$ = make_expr2(EXPR_LESS, $1, $3); }
644 | expr GREATEREQUAL expr { $$ = make_expr2(EXPR_GTREQL, $1, $3); }
645 | expr LESSEQUAL expr { $$ = make_expr2(EXPR_LESSEQL, $1, $3); }
646 | expr SHL expr { $$ = make_expr2(EXPR_SHL, $1, $3); }
647 | expr SHR expr { $$ = make_expr2(EXPR_SHR, $1, $3); }
648 | expr '+' expr { $$ = make_expr2(EXPR_ADD, $1, $3); }
649 | expr '-' expr { $$ = make_expr2(EXPR_SUB, $1, $3); }
650 | expr '%' expr { $$ = make_expr2(EXPR_MOD, $1, $3); }
651 | expr '*' expr { $$ = make_expr2(EXPR_MUL, $1, $3); }
652 | expr '/' expr { $$ = make_expr2(EXPR_DIV, $1, $3); }
653 | '!' expr { $$ = make_expr1(EXPR_LOGNOT, $2); }
654 | '~' expr { $$ = make_expr1(EXPR_NOT, $2); }
655 | '+' expr %prec POS { $$ = make_expr1(EXPR_POS, $2); }
656 | '-' expr %prec NEG { $$ = make_expr1(EXPR_NEG, $2); }
657 | '&' expr %prec ADDRESSOF { $$ = make_expr1(EXPR_ADDRESSOF, $2); }
658 | '*' expr %prec PPTR { $$ = make_expr1(EXPR_PPTR, $2); }
659 | expr MEMBERPTR aIDENTIFIER { $$ = make_expr2(EXPR_MEMBER, make_expr1(EXPR_PPTR, $1), make_exprs(EXPR_IDENTIFIER, $3)); }
660 | expr '.' aIDENTIFIER { $$ = make_expr2(EXPR_MEMBER, $1, make_exprs(EXPR_IDENTIFIER, $3)); }
661 | '(' type ')' expr %prec CAST { $$ = make_exprt(EXPR_CAST, $2, $4); }
662 | tSIZEOF '(' type ')' { $$ = make_exprt(EXPR_SIZEOF, $3, NULL); }
663 | expr '[' expr ']' { $$ = make_expr2(EXPR_ARRAY, $1, $3); }
664 | '(' expr ')' { $$ = $2; }
665 ;
666
667 expr_list_int_const: expr_int_const { $$ = append_expr( NULL, $1 ); }
668 | expr_list_int_const ',' expr_int_const { $$ = append_expr( $1, $3 ); }
669 ;
670
671 expr_int_const: expr { $$ = $1;
672 if (!$$->is_const)
673 error_loc("expression is not an integer constant\n");
674 }
675 ;
676
677 expr_const: expr { $$ = $1;
678 if (!$$->is_const && $$->type != EXPR_STRLIT && $$->type != EXPR_WSTRLIT)
679 error_loc("expression is not constant\n");
680 }
681 ;
682
683 fields: { $$ = NULL; }
684 | fields field { $$ = append_var_list($1, $2); }
685 ;
686
687 field: m_attributes decl_spec declarator_list ';'
688 { const char *first = LIST_ENTRY(list_head($3), declarator_t, entry)->var->name;
689 check_field_attrs(first, $1);
690 $$ = set_var_types($1, $2, $3);
691 }
692 | m_attributes uniondef ';' { var_t *v = make_var(NULL);
693 v->type = $2; v->attrs = $1;
694 $$ = append_var(NULL, v);
695 }
696 ;
697
698 ne_union_field:
699 s_field ';' { $$ = $1; }
700 | attributes ';' { $$ = make_var(NULL); $$->attrs = $1; }
701 ;
702
703 ne_union_fields: { $$ = NULL; }
704 | ne_union_fields ne_union_field { $$ = append_var( $1, $2 ); }
705 ;
706
707 union_field:
708 s_field ';' { $$ = $1; }
709 | ';' { $$ = NULL; }
710 ;
711
712 s_field: m_attributes decl_spec declarator { $$ = $3->var;
713 $$->attrs = check_field_attrs($$->name, $1);
714 set_type($$, $2, $3, FALSE);
715 free($3);
716 }
717 ;
718
719 funcdef:
720 m_attributes decl_spec declarator { var_t *v = $3->var;
721 v->attrs = check_function_attrs(v->name, $1);
722 set_type(v, $2, $3, FALSE);
723 free($3);
724 $$ = make_func(v);
725 }
726 ;
727
728 declaration:
729 attributes decl_spec init_declarator
730 { $$ = $3->var;
731 $$->attrs = $1;
732 set_type($$, $2, $3, FALSE);
733 free($3);
734 }
735 | decl_spec init_declarator { $$ = $2->var;
736 set_type($$, $1, $2, FALSE);
737 free($2);
738 }
739 ;
740
741 m_ident: { $$ = NULL; }
742 | ident
743 ;
744
745 t_ident: { $$ = NULL; }
746 | aIDENTIFIER { $$ = $1; }
747 | aKNOWNTYPE { $$ = $1; }
748 ;
749
750 ident: aIDENTIFIER { $$ = make_var($1); }
751 /* some "reserved words" used in attributes are also used as field names in some MS IDL files */
752 | aKNOWNTYPE { $$ = make_var($<str>1); }
753 ;
754
755 base_type: tBYTE { $$ = find_type_or_error($<str>1, 0); }
756 | tWCHAR { $$ = find_type_or_error($<str>1, 0); }
757 | int_std
758 | tSIGNED int_std { $$ = type_new_int(type_basic_get_type($2), -1); }
759 | tUNSIGNED int_std { $$ = type_new_int(type_basic_get_type($2), 1); }
760 | tUNSIGNED { $$ = type_new_int(TYPE_BASIC_INT, 1); }
761 | tFLOAT { $$ = find_type_or_error($<str>1, 0); }
762 | tDOUBLE { $$ = find_type_or_error($<str>1, 0); }
763 | tBOOLEAN { $$ = find_type_or_error($<str>1, 0); }
764 | tERRORSTATUST { $$ = find_type_or_error($<str>1, 0); }
765 | tHANDLET { $$ = find_type_or_error($<str>1, 0); }
766 ;
767
768 m_int:
769 | tINT
770 ;
771
772 int_std: tINT { $$ = type_new_int(TYPE_BASIC_INT, 0); }
773 | tSHORT m_int { $$ = type_new_int(TYPE_BASIC_INT16, 0); }
774 | tSMALL { $$ = type_new_int(TYPE_BASIC_INT8, 0); }
775 | tLONG m_int { $$ = type_new_int(TYPE_BASIC_INT32, 0); }
776 | tHYPER m_int { $$ = type_new_int(TYPE_BASIC_HYPER, 0); }
777 | tINT64 { $$ = type_new_int(TYPE_BASIC_INT64, 0); }
778 | tCHAR { $$ = type_new_int(TYPE_BASIC_CHAR, 0); }
779 ;
780
781 coclass: tCOCLASS aIDENTIFIER { $$ = type_new_coclass($2); }
782 | tCOCLASS aKNOWNTYPE { $$ = find_type($2, 0);
783 if (type_get_type_detect_alias($$) != TYPE_COCLASS)
784 error_loc("%s was not declared a coclass at %s:%d\n",
785 $2, $$->loc_info.input_name,
786 $$->loc_info.line_number);
787 }
788 ;
789
790 coclasshdr: attributes coclass { $$ = $2;
791 check_def($$);
792 $$->attrs = check_coclass_attrs($2->name, $1);
793 }
794 ;
795
796 coclassdef: coclasshdr '{' coclass_ints '}' semicolon_opt
797 { $$ = type_coclass_define($1, $3); }
798 ;
799
800 coclass_ints: { $$ = NULL; }
801 | coclass_ints coclass_int { $$ = append_ifref( $1, $2 ); }
802 ;
803
804 coclass_int:
805 m_attributes interfacedec { $$ = make_ifref($2); $$->attrs = $1; }
806 ;
807
808 dispinterface: tDISPINTERFACE aIDENTIFIER { $$ = get_type(TYPE_INTERFACE, $2, 0); }
809 | tDISPINTERFACE aKNOWNTYPE { $$ = get_type(TYPE_INTERFACE, $2, 0); }
810 ;
811
812 dispinterfacehdr: attributes dispinterface { attr_t *attrs;
813 is_object_interface = TRUE;
814 $$ = $2;
815 check_def($$);
816 attrs = make_attr(ATTR_DISPINTERFACE);
817 $$->attrs = append_attr( check_dispiface_attrs($2->name, $1), attrs );
818 $$->defined = TRUE;
819 }
820 ;
821
822 dispint_props: tPROPERTIES ':' { $$ = NULL; }
823 | dispint_props s_field ';' { $$ = append_var( $1, $2 ); }
824 ;
825
826 dispint_meths: tMETHODS ':' { $$ = NULL; }
827 | dispint_meths funcdef ';' { $$ = append_func( $1, $2 ); }
828 ;
829
830 dispinterfacedef: dispinterfacehdr '{'
831 dispint_props
832 dispint_meths
833 '}' { $$ = $1;
834 type_dispinterface_define($$, $3, $4);
835 }
836 | dispinterfacehdr
837 '{' interface ';' '}' { $$ = $1;
838 type_dispinterface_define_from_iface($$, $3);
839 }
840 ;
841
842 inherit: { $$ = NULL; }
843 | ':' aKNOWNTYPE { $$ = find_type_or_error2($2, 0); }
844 ;
845
846 interface: tINTERFACE aIDENTIFIER { $$ = get_type(TYPE_INTERFACE, $2, 0); }
847 | tINTERFACE aKNOWNTYPE { $$ = get_type(TYPE_INTERFACE, $2, 0); }
848 ;
849
850 interfacehdr: attributes interface { $$.interface = $2;
851 $$.old_pointer_default = pointer_default;
852 if (is_attr($1, ATTR_POINTERDEFAULT))
853 pointer_default = get_attrv($1, ATTR_POINTERDEFAULT);
854 is_object_interface = is_object($1);
855 check_def($2);
856 $2->attrs = check_iface_attrs($2->name, $1);
857 $2->defined = TRUE;
858 }
859 ;
860
861 interfacedef: interfacehdr inherit
862 '{' int_statements '}' semicolon_opt { $$ = $1.interface;
863 type_interface_define($$, $2, $4);
864 pointer_default = $1.old_pointer_default;
865 }
866 /* MIDL is able to import the definition of a base class from inside the
867 * definition of a derived class, I'll try to support it with this rule */
868 | interfacehdr ':' aIDENTIFIER
869 '{' import int_statements '}'
870 semicolon_opt { $$ = $1.interface;
871 type_interface_define($$, find_type_or_error2($3, 0), $6);
872 pointer_default = $1.old_pointer_default;
873 }
874 | dispinterfacedef semicolon_opt { $$ = $1; }
875 ;
876
877 interfacedec:
878 interface ';' { $$ = $1; }
879 | dispinterface ';' { $$ = $1; }
880 ;
881
882 module: tMODULE aIDENTIFIER { $$ = type_new_module($2); }
883 | tMODULE aKNOWNTYPE { $$ = type_new_module($2); }
884 ;
885
886 modulehdr: attributes module { $$ = $2;
887 $$->attrs = check_module_attrs($2->name, $1);
888 }
889 ;
890
891 moduledef: modulehdr '{' int_statements '}'
892 semicolon_opt { $$ = $1;
893 type_module_define($$, $3);
894 }
895 ;
896
897 storage_cls_spec:
898 tEXTERN { $$ = STG_EXTERN; }
899 | tSTATIC { $$ = STG_STATIC; }
900 | tREGISTER { $$ = STG_REGISTER; }
901 ;
902
903 function_specifier:
904 tINLINE { $$ = make_attr(ATTR_INLINE); }
905 ;
906
907 type_qualifier:
908 tCONST { $$ = make_attr(ATTR_CONST); }
909 ;
910
911 m_type_qual_list: { $$ = NULL; }
912 | m_type_qual_list type_qualifier { $$ = append_attr($1, $2); }
913 ;
914
915 decl_spec: type m_decl_spec_no_type { $$ = make_decl_spec($1, $2, NULL, NULL, STG_NONE); }
916 | decl_spec_no_type type m_decl_spec_no_type
917 { $$ = make_decl_spec($2, $1, $3, NULL, STG_NONE); }
918 ;
919
920 m_decl_spec_no_type: { $$ = NULL; }
921 | decl_spec_no_type
922 ;
923
924 decl_spec_no_type:
925 type_qualifier m_decl_spec_no_type { $$ = make_decl_spec(NULL, $2, NULL, $1, STG_NONE); }
926 | function_specifier m_decl_spec_no_type { $$ = make_decl_spec(NULL, $2, NULL, $1, STG_NONE); }
927 | storage_cls_spec m_decl_spec_no_type { $$ = make_decl_spec(NULL, $2, NULL, NULL, $1); }
928 ;
929
930 declarator:
931 '*' m_type_qual_list declarator %prec PPTR
932 { $$ = $3; $$->type = append_ptrchain_type($$->type, type_new_pointer(pointer_default, NULL, $2)); }
933 | callconv declarator { $$ = $2; $$->type->attrs = append_attr($$->type->attrs, make_attrp(ATTR_CALLCONV, $1)); }
934 | direct_declarator
935 ;
936
937 direct_declarator:
938 ident { $$ = make_declarator($1); }
939 | '(' declarator ')' { $$ = $2; }
940 | direct_declarator array { $$ = $1; $$->array = append_array($$->array, $2); }
941 | direct_declarator '(' m_args ')' { $$ = $1;
942 $$->func_type = append_ptrchain_type($$->type, type_new_function($3));
943 $$->type = NULL;
944 }
945 ;
946
947 declarator_list:
948 declarator { $$ = append_declarator( NULL, $1 ); }
949 | declarator_list ',' declarator { $$ = append_declarator( $1, $3 ); }
950 ;
951
952 init_declarator:
953 declarator { $$ = $1; }
954 | declarator '=' expr_const { $$ = $1; $1->var->eval = $3; }
955 ;
956
957 pointer_type:
958 tREF { $$ = RPC_FC_RP; }
959 | tUNIQUE { $$ = RPC_FC_UP; }
960 | tPTR { $$ = RPC_FC_FP; }
961 ;
962
963 structdef: tSTRUCT t_ident '{' fields '}' { $$ = type_new_struct($2, TRUE, $4); }
964 ;
965
966 type: tVOID { $$ = type_new_void(); }
967 | aKNOWNTYPE { $$ = find_type_or_error($1, 0); }
968 | base_type { $$ = $1; }
969 | enumdef { $$ = $1; }
970 | tENUM aIDENTIFIER { $$ = type_new_enum($2, FALSE, NULL); }
971 | structdef { $$ = $1; }
972 | tSTRUCT aIDENTIFIER { $$ = type_new_struct($2, FALSE, NULL); }
973 | uniondef { $$ = $1; }
974 | tUNION aIDENTIFIER { $$ = type_new_nonencapsulated_union($2, FALSE, NULL); }
975 | tSAFEARRAY '(' type ')' { $$ = make_safearray($3); }
976 ;
977
978 typedef: tTYPEDEF m_attributes decl_spec declarator_list
979 { reg_typedefs($3, $4, check_typedef_attrs($2));
980 $$ = make_statement_typedef($4);
981 }
982 ;
983
984 uniondef: tUNION t_ident '{' ne_union_fields '}'
985 { $$ = type_new_nonencapsulated_union($2, TRUE, $4); }
986 | tUNION t_ident
987 tSWITCH '(' s_field ')'
988 m_ident '{' cases '}' { $$ = type_new_encapsulated_union($2, $5, $7, $9); }
989 ;
990
991 version:
992 aNUM { $$ = MAKEVERSION($1, 0); }
993 | aNUM '.' aNUM { $$ = MAKEVERSION($1, $3); }
994 ;
995
996 %%
997
998 static void decl_builtin_basic(const char *name, enum type_basic_type type)
999 {
1000 type_t *t = type_new_basic(type);
1001 reg_type(t, name, 0);
1002 }
1003
1004 static void decl_builtin_alias(const char *name, type_t *t)
1005 {
1006 reg_type(type_new_alias(t, name), name, 0);
1007 }
1008
1009 void init_types(void)
1010 {
1011 decl_builtin_basic("byte", TYPE_BASIC_BYTE);
1012 decl_builtin_basic("wchar_t", TYPE_BASIC_WCHAR);
1013 decl_builtin_basic("float", TYPE_BASIC_FLOAT);
1014 decl_builtin_basic("double", TYPE_BASIC_DOUBLE);
1015 decl_builtin_basic("error_status_t", TYPE_BASIC_ERROR_STATUS_T);
1016 decl_builtin_basic("handle_t", TYPE_BASIC_HANDLE);
1017 decl_builtin_alias("boolean", type_new_basic(TYPE_BASIC_BYTE));
1018 }
1019
1020 static str_list_t *append_str(str_list_t *list, char *str)
1021 {
1022 struct str_list_entry_t *entry;
1023
1024 if (!str) return list;
1025 if (!list)
1026 {
1027 list = xmalloc( sizeof(*list) );
1028 list_init( list );
1029 }
1030 entry = xmalloc( sizeof(*entry) );
1031 entry->str = str;
1032 list_add_tail( list, &entry->entry );
1033 return list;
1034 }
1035
1036 static attr_list_t *append_attr(attr_list_t *list, attr_t *attr)
1037 {
1038 attr_t *attr_existing;
1039 if (!attr) return list;
1040 if (!list)
1041 {
1042 list = xmalloc( sizeof(*list) );
1043 list_init( list );
1044 }
1045 LIST_FOR_EACH_ENTRY(attr_existing, list, attr_t, entry)
1046 if (attr_existing->type == attr->type)
1047 {
1048 parser_warning("duplicate attribute %s\n", get_attr_display_name(attr->type));
1049 /* use the last attribute, like MIDL does */
1050 list_remove(&attr_existing->entry);
1051 break;
1052 }
1053 list_add_tail( list, &attr->entry );
1054 return list;
1055 }
1056
1057 static attr_list_t *move_attr(attr_list_t *dst, attr_list_t *src, enum attr_type type)
1058 {
1059 attr_t *attr;
1060 if (!src) return dst;
1061 LIST_FOR_EACH_ENTRY(attr, src, attr_t, entry)
1062 if (attr->type == type)
1063 {
1064 list_remove(&attr->entry);
1065 return append_attr(dst, attr);
1066 }
1067 return dst;
1068 }
1069
1070 static attr_list_t *append_attr_list(attr_list_t *new_list, attr_list_t *old_list)
1071 {
1072 struct list *entry;
1073
1074 if (!old_list) return new_list;
1075
1076 while ((entry = list_head(old_list)))
1077 {
1078 attr_t *attr = LIST_ENTRY(entry, attr_t, entry);
1079 list_remove(entry);
1080 new_list = append_attr(new_list, attr);
1081 }
1082 return new_list;
1083 }
1084
1085 static attr_list_t *dupattrs(const attr_list_t *list)
1086 {
1087 attr_list_t *new_list;
1088 const attr_t *attr;
1089
1090 if (!list) return NULL;
1091
1092 new_list = xmalloc( sizeof(*list) );
1093 list_init( new_list );
1094 LIST_FOR_EACH_ENTRY(attr, list, const attr_t, entry)
1095 {
1096 attr_t *new_attr = xmalloc(sizeof(*new_attr));
1097 *new_attr = *attr;
1098 list_add_tail(new_list, &new_attr->entry);
1099 }
1100 return new_list;
1101 }
1102
1103 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)
1104 {
1105 decl_spec_t *declspec = left ? left : right;
1106 if (!declspec)
1107 {
1108 declspec = xmalloc(sizeof(*declspec));
1109 declspec->type = NULL;
1110 declspec->attrs = NULL;
1111 declspec->stgclass = STG_NONE;
1112 }
1113 declspec->type = type;
1114 if (left && declspec != left)
1115 {
1116 declspec->attrs = append_attr_list(declspec->attrs, left->attrs);
1117 if (declspec->stgclass == STG_NONE)
1118 declspec->stgclass = left->stgclass;
1119 else if (left->stgclass != STG_NONE)
1120 error_loc("only one storage class can be specified\n");
1121 assert(!left->type);
1122 free(left);
1123 }
1124 if (right && declspec != right)
1125 {
1126 declspec->attrs = append_attr_list(declspec->attrs, right->attrs);
1127 if (declspec->stgclass == STG_NONE)
1128 declspec->stgclass = right->stgclass;
1129 else if (right->stgclass != STG_NONE)
1130 error_loc("only one storage class can be specified\n");
1131 assert(!right->type);
1132 free(right);
1133 }
1134
1135 declspec->attrs = append_attr(declspec->attrs, attr);
1136 if (declspec->stgclass == STG_NONE)
1137 declspec->stgclass = stgclass;
1138 else if (stgclass != STG_NONE)
1139 error_loc("only one storage class can be specified\n");
1140
1141 /* apply attributes to type */
1142 if (type && declspec->attrs)
1143 {
1144 attr_list_t *attrs;
1145 declspec->type = duptype(type, 1);
1146 attrs = dupattrs(type->attrs);
1147 declspec->type->attrs = append_attr_list(attrs, declspec->attrs);
1148 declspec->attrs = NULL;
1149 }
1150
1151 return declspec;
1152 }
1153
1154 static attr_t *make_attr(enum attr_type type)
1155 {
1156 attr_t *a = xmalloc(sizeof(attr_t));
1157 a->type = type;
1158 a->u.ival = 0;
1159 return a;
1160 }
1161
1162 static attr_t *make_attrv(enum attr_type type, unsigned long val)
1163 {
1164 attr_t *a = xmalloc(sizeof(attr_t));
1165 a->type = type;
1166 a->u.ival = val;
1167 return a;
1168 }
1169
1170 static attr_t *make_attrp(enum attr_type type, void *val)
1171 {
1172 attr_t *a = xmalloc(sizeof(attr_t));
1173 a->type = type;
1174 a->u.pval = val;
1175 return a;
1176 }
1177
1178 static expr_list_t *append_expr(expr_list_t *list, expr_t *expr)
1179 {
1180 if (!expr) return list;
1181 if (!list)
1182 {
1183 list = xmalloc( sizeof(*list) );
1184 list_init( list );
1185 }
1186 list_add_tail( list, &expr->entry );
1187 return list;
1188 }
1189
1190 static array_dims_t *append_array(array_dims_t *list, expr_t *expr)
1191 {
1192 if (!expr) return list;
1193 if (!list)
1194 {
1195 list = xmalloc( sizeof(*list) );
1196 list_init( list );
1197 }
1198 list_add_tail( list, &expr->entry );
1199 return list;
1200 }
1201
1202 static struct list type_pool = LIST_INIT(type_pool);
1203 typedef struct
1204 {
1205 type_t data;
1206 struct list link;
1207 } type_pool_node_t;
1208
1209 type_t *alloc_type(void)
1210 {
1211 type_pool_node_t *node = xmalloc(sizeof *node);
1212 list_add_tail(&type_pool, &node->link);
1213 return &node->data;
1214 }
1215
1216 void set_all_tfswrite(int val)
1217 {
1218 type_pool_node_t *node;
1219 LIST_FOR_EACH_ENTRY(node, &type_pool, type_pool_node_t, link)
1220 node->data.tfswrite = val;
1221 }
1222
1223 void clear_all_offsets(void)
1224 {
1225 type_pool_node_t *node;
1226 LIST_FOR_EACH_ENTRY(node, &type_pool, type_pool_node_t, link)
1227 node->data.typestring_offset = node->data.ptrdesc = 0;
1228 }
1229
1230 static void type_function_add_head_arg(type_t *type, var_t *arg)
1231 {
1232 if (!type->details.function->args)
1233 {
1234 type->details.function->args = xmalloc( sizeof(*type->details.function->args) );
1235 list_init( type->details.function->args );
1236 }
1237 list_add_head( type->details.function->args, &arg->entry );
1238 }
1239
1240 static type_t *append_ptrchain_type(type_t *ptrchain, type_t *type)
1241 {
1242 type_t *ptrchain_type;
1243 if (!ptrchain)
1244 return type;
1245 for (ptrchain_type = ptrchain; type_pointer_get_ref(ptrchain_type); ptrchain_type = type_pointer_get_ref(ptrchain_type))
1246 ;
1247 assert(ptrchain_type->type_type == TYPE_POINTER);
1248 ptrchain_type->details.pointer.ref = type;
1249 return ptrchain;
1250 }
1251
1252 static void set_type(var_t *v, decl_spec_t *decl_spec, const declarator_t *decl,
1253 int top)
1254 {
1255 expr_list_t *sizes = get_attrp(v->attrs, ATTR_SIZEIS);
1256 expr_list_t *lengs = get_attrp(v->attrs, ATTR_LENGTHIS);
1257 int sizeless;
1258 expr_t *dim;
1259 type_t **ptype;
1260 array_dims_t *arr = decl ? decl->array : NULL;
1261 type_t *func_type = decl ? decl->func_type : NULL;
1262 type_t *type = decl_spec->type;
1263
1264 if (is_attr(type->attrs, ATTR_INLINE))
1265 {
1266 if (!func_type)
1267 error_loc("inline attribute applied to non-function type\n");
1268 else
1269 {
1270 type_t *t;
1271 /* move inline attribute from return type node to function node */
1272 for (t = func_type; is_ptr(t); t = type_pointer_get_ref(t))
1273 ;
1274 t->attrs = move_attr(t->attrs, type->attrs, ATTR_INLINE);
1275 }
1276 }
1277
1278 /* add type onto the end of the pointers in pident->type */
1279 v->type = append_ptrchain_type(decl ? decl->type : NULL, type);
1280 v->stgclass = decl_spec->stgclass;
1281
1282 /* check for pointer attribute being applied to non-pointer, non-array
1283 * type */
1284 if (!arr)
1285 {
1286 int ptr_attr = get_attrv(v->attrs, ATTR_POINTERTYPE);
1287 const type_t *ptr = NULL;
1288 /* pointer attributes on the left side of the type belong to the function
1289 * pointer, if one is being declared */
1290 type_t **pt = func_type ? &func_type : &v->type;
1291 for (ptr = *pt; ptr && !ptr_attr; )
1292 {
1293 ptr_attr = get_attrv(ptr->attrs, ATTR_POINTERTYPE);
1294 if (!ptr_attr && type_is_alias(ptr))
1295 ptr = type_alias_get_aliasee(ptr);
1296 else
1297 break;
1298 }
1299 if (is_ptr(ptr))
1300 {
1301 if (ptr_attr && ptr_attr != RPC_FC_UP &&
1302 type_get_type(type_pointer_get_ref(ptr)) == TYPE_INTERFACE)
1303 warning_loc_info(&v->loc_info,
1304 "%s: pointer attribute applied to interface "
1305 "pointer type has no effect\n", v->name);
1306 if (!ptr_attr && top && (*pt)->details.pointer.def_fc != RPC_FC_RP)
1307 {
1308 /* FIXME: this is a horrible hack to cope with the issue that we
1309 * store an offset to the typeformat string in the type object, but
1310 * two typeformat strings may be written depending on whether the
1311 * pointer is a toplevel parameter or not */
1312 *pt = duptype(*pt, 1);
1313 }
1314 }
1315 else if (ptr_attr)
1316 error_loc("%s: pointer attribute applied to non-pointer type\n", v->name);
1317 }
1318
1319 if (is_attr(v->attrs, ATTR_STRING) && !is_ptr(v->type) && !arr)
1320 error_loc("'%s': [string] attribute applied to non-pointer, non-array type\n",
1321 v->name);
1322
1323 if (is_attr(v->attrs, ATTR_V1ENUM))
1324 {
1325 if (type_get_type_detect_alias(v->type) != TYPE_ENUM)
1326 error_loc("'%s': [v1_enum] attribute applied to non-enum type\n", v->name);
1327 }
1328
1329 ptype = &v->type;
1330 sizeless = FALSE;
1331 if (arr) LIST_FOR_EACH_ENTRY_REV(dim, arr, expr_t, entry)
1332 {
1333 if (sizeless)
1334 error_loc("%s: only the first array dimension can be unspecified\n", v->name);
1335
1336 if (dim->is_const)
1337 {
1338 if (dim->cval <= 0)
1339 error_loc("%s: array dimension must be positive\n", v->name);
1340
1341 /* FIXME: should use a type_memsize that allows us to pass in a pointer size */
1342 if (0)
1343 {
1344 unsigned int align = 0;
1345 unsigned int size = type_memsize(v->type, &align);
1346
1347 if (0xffffffffu / size < dim->cval)
1348 error_loc("%s: total array size is too large\n", v->name);
1349 }
1350 }
1351 else
1352 sizeless = TRUE;
1353
1354 *ptype = type_new_array(NULL, *ptype, FALSE,
1355 dim->is_const ? dim->cval : 0,
1356 dim->is_const ? NULL : dim, NULL,
1357 pointer_default);
1358 }
1359
1360 ptype = &v->type;
1361 if (sizes) LIST_FOR_EACH_ENTRY(dim, sizes, expr_t, entry)
1362 {
1363 if (dim->type != EXPR_VOID)
1364 {
1365 if (is_array(*ptype))
1366 {
1367 if (type_array_get_conformance(*ptype)->is_const)
1368 error_loc("%s: cannot specify size_is for a fixed sized array\n", v->name);
1369 else
1370 *ptype = type_new_array((*ptype)->name,
1371 type_array_get_element(*ptype), FALSE,
1372 0, dim, NULL, 0);
1373 }
1374 else if (is_ptr(*ptype))
1375 *ptype = type_new_array((*ptype)->name, type_pointer_get_ref(*ptype), TRUE,
1376 0, dim, NULL, pointer_default);
1377 else
1378 error_loc("%s: size_is attribute applied to illegal type\n", v->name);
1379 }
1380
1381 if (is_ptr(*ptype))
1382 ptype = &(*ptype)->details.pointer.ref;
1383 else if (is_array(*ptype))
1384 ptype = &(*ptype)->details.array.elem;
1385 else
1386 error_loc("%s: too many expressions in size_is attribute\n", v->name);
1387 }
1388
1389 ptype = &v->type;
1390 if (lengs) LIST_FOR_EACH_ENTRY(dim, lengs, expr_t, entry)
1391 {
1392 if (dim->type != EXPR_VOID)
1393 {
1394 if (is_array(*ptype))
1395 {
1396 *ptype = type_new_array((*ptype)->name,
1397 type_array_get_element(*ptype),
1398 type_array_is_decl_as_ptr(*ptype),
1399 type_array_get_dim(*ptype),
1400 type_array_get_conformance(*ptype),
1401 dim, type_array_get_ptr_default_fc(*ptype));
1402 }
1403 else
1404 error_loc("%s: length_is attribute applied to illegal type\n", v->name);
1405 }
1406
1407 if (is_ptr(*ptype))
1408 ptype = &(*ptype)->details.pointer.ref;
1409 else if (is_array(*ptype))
1410 ptype = &(*ptype)->details.array.elem;
1411 else
1412 error_loc("%s: too many expressions in length_is attribute\n", v->name);
1413 }
1414
1415 /* v->type is currently pointing to the type on the left-side of the
1416 * declaration, so we need to fix this up so that it is the return type of the
1417 * function and make v->type point to the function side of the declaration */
1418 if (func_type)
1419 {
1420 type_t *ft, *t;
1421 type_t *return_type = v->type;
1422 v->type = func_type;
1423 for (ft = v->type; is_ptr(ft); ft = type_pointer_get_ref(ft))
1424 ;
1425 assert(type_get_type_detect_alias(ft) == TYPE_FUNCTION);
1426 ft->details.function->rettype = return_type;
1427 /* move calling convention attribute, if present, from pointer nodes to
1428 * function node */
1429 for (t = v->type; is_ptr(t); t = type_pointer_get_ref(t))
1430 ft->attrs = move_attr(ft->attrs, t->attrs, ATTR_CALLCONV);
1431 if (is_object_interface && !is_attr(ft->attrs, ATTR_CALLCONV))
1432 {
1433 static char *stdmethodcalltype;
1434 if (!stdmethodcalltype) stdmethodcalltype = strdup("STDMETHODCALLTYPE");
1435 ft->attrs = append_attr(NULL, make_attrp(ATTR_CALLCONV, stdmethodcalltype));
1436 }
1437 }
1438 else
1439 {
1440 type_t *t;
1441 for (t = v->type; is_ptr(t); t = type_pointer_get_ref(t))
1442 if (is_attr(t->attrs, ATTR_CALLCONV))
1443 error_loc("calling convention applied to non-function-pointer type\n");
1444 }
1445 }
1446
1447 static var_list_t *set_var_types(attr_list_t *attrs, decl_spec_t *decl_spec, declarator_list_t *decls)
1448 {
1449 declarator_t *decl, *next;
1450 var_list_t *var_list = NULL;
1451
1452 LIST_FOR_EACH_ENTRY_SAFE( decl, next, decls, declarator_t, entry )
1453 {
1454 var_t *var = decl->var;
1455
1456 var->attrs = attrs;
1457 set_type(var, decl_spec, decl, 0);
1458 var_list = append_var(var_list, var);
1459 free(decl);
1460 }
1461 return var_list;
1462 }
1463
1464 static ifref_list_t *append_ifref(ifref_list_t *list, ifref_t *iface)
1465 {
1466 if (!iface) return list;
1467 if (!list)
1468 {
1469 list = xmalloc( sizeof(*list) );
1470 list_init( list );
1471 }
1472 list_add_tail( list, &iface->entry );
1473 return list;
1474 }
1475
1476 static ifref_t *make_ifref(type_t *iface)
1477 {
1478 ifref_t *l = xmalloc(sizeof(ifref_t));
1479 l->iface = iface;
1480 l->attrs = NULL;
1481 return l;
1482 }
1483
1484 var_list_t *append_var(var_list_t *list, var_t *var)
1485 {
1486 if (!var) return list;
1487 if (!list)
1488 {
1489 list = xmalloc( sizeof(*list) );
1490 list_init( list );
1491 }
1492 list_add_tail( list, &var->entry );
1493 return list;
1494 }
1495
1496 static var_list_t *append_var_list(var_list_t *list, var_list_t *vars)
1497 {
1498 if (!vars) return list;
1499 if (!list)
1500 {
1501 list = xmalloc( sizeof(*list) );
1502 list_init( list );
1503 }
1504 list_move_tail( list, vars );
1505 return list;
1506 }
1507
1508 var_t *make_var(char *name)
1509 {
1510 var_t *v = xmalloc(sizeof(var_t));
1511 v->name = name;
1512 v->type = NULL;
1513 v->attrs = NULL;
1514 v->eval = NULL;
1515 v->stgclass = STG_NONE;
1516 init_loc_info(&v->loc_info);
1517 return v;
1518 }
1519
1520 static declarator_list_t *append_declarator(declarator_list_t *list, declarator_t *d)
1521 {
1522 if (!d) return list;
1523 if (!list) {
1524 list = xmalloc(sizeof(*list));
1525 list_init(list);
1526 }
1527 list_add_tail(list, &d->entry);
1528 return list;
1529 }
1530
1531 static declarator_t *make_declarator(var_t *var)
1532 {
1533 declarator_t *d = xmalloc(sizeof(*d));
1534 d->var = var;
1535 d->type = NULL;
1536 d->func_type = NULL;
1537 d->array = NULL;
1538 return d;
1539 }
1540
1541 static func_list_t *append_func(func_list_t *list, func_t *func)
1542 {
1543 if (!func) return list;
1544 if (!list)
1545 {
1546 list = xmalloc( sizeof(*list) );
1547 list_init( list );
1548 }
1549 list_add_tail( list, &func->entry );
1550 return list;
1551 }
1552
1553 static func_t *make_func(var_t *def)
1554 {
1555 func_t *f = xmalloc(sizeof(func_t));
1556 f->def = def;
1557 return f;
1558 }
1559
1560 static type_t *make_safearray(type_t *type)
1561 {
1562 return type_new_array(NULL, type_new_alias(type, "SAFEARRAY"), TRUE, 0,
1563 NULL, NULL, RPC_FC_RP);
1564 }
1565
1566 static typelib_t *make_library(const char *name, const attr_list_t *attrs)
1567 {
1568 typelib_t *typelib = xmalloc(sizeof(*typelib));
1569 typelib->name = xstrdup(name);
1570 typelib->filename = NULL;
1571 typelib->attrs = attrs;
1572 list_init( &typelib->importlibs );
1573 return typelib;
1574 }
1575
1576 #define HASHMAX 64
1577
1578 static int hash_ident(const char *name)
1579 {
1580 const char *p = name;
1581 int sum = 0;
1582 /* a simple sum hash is probably good enough */
1583 while (*p) {
1584 sum += *p;
1585 p++;
1586 }
1587 return sum & (HASHMAX-1);
1588 }
1589
1590 /***** type repository *****/
1591
1592 struct rtype {
1593 const char *name;
1594 type_t *type;
1595 int t;
1596 struct rtype *next;
1597 };
1598
1599 struct rtype *type_hash[HASHMAX];
1600
1601 type_t *reg_type(type_t *type, const char *name, int t)
1602 {
1603 struct rtype *nt;
1604 int hash;
1605 if (!name) {
1606 error_loc("registering named type without name\n");
1607 return type;
1608 }
1609 hash = hash_ident(name);
1610 nt = xmalloc(sizeof(struct rtype));
1611 nt->name = name;
1612 nt->type = type;
1613 nt->t = t;
1614 nt->next = type_hash[hash];
1615 type_hash[hash] = nt;
1616 if ((t == tsSTRUCT || t == tsUNION))
1617 fix_incomplete_types(type);
1618 return type;
1619 }
1620
1621 static int is_incomplete(const type_t *t)
1622 {
1623 return !t->defined &&
1624 (type_get_type_detect_alias(t) == TYPE_STRUCT ||
1625 type_get_type_detect_alias(t) == TYPE_UNION ||
1626 type_get_type_detect_alias(t) == TYPE_ENCAPSULATED_UNION);
1627 }
1628
1629 void add_incomplete(type_t *t)
1630 {
1631 struct typenode *tn = xmalloc(sizeof *tn);
1632 tn->type = t;
1633 list_add_tail(&incomplete_types, &tn->entry);
1634 }
1635
1636 static void fix_type(type_t *t)
1637 {
1638 if (type_is_alias(t) && is_incomplete(t)) {
1639 type_t *ot = type_alias_get_aliasee(t);
1640 fix_type(ot);
1641 if (type_get_type_detect_alias(ot) == TYPE_STRUCT ||
1642 type_get_type_detect_alias(ot) == TYPE_UNION ||
1643 type_get_type_detect_alias(ot) == TYPE_ENCAPSULATED_UNION)
1644 t->details.structure = ot->details.structure;
1645 t->defined = ot->defined;
1646 }
1647 }
1648
1649 static void fix_incomplete(void)
1650 {
1651 struct typenode *tn, *next;
1652
1653 LIST_FOR_EACH_ENTRY_SAFE(tn, next, &incomplete_types, struct typenode, entry) {
1654 fix_type(tn->type);
1655 list_remove(&tn->entry);
1656 free(tn);
1657 }
1658 }
1659
1660 static void fix_incomplete_types(type_t *complete_type)
1661 {
1662 struct typenode *tn, *next;
1663
1664 LIST_FOR_EACH_ENTRY_SAFE(tn, next, &incomplete_types, struct typenode, entry)
1665 {
1666 if (type_is_equal(complete_type, tn->type))
1667 {
1668 tn->type->details.structure = complete_type->details.structure;
1669 list_remove(&tn->entry);
1670 free(tn);
1671 }
1672 }
1673 }
1674
1675 static type_t *reg_typedefs(decl_spec_t *decl_spec, declarator_list_t *decls, attr_list_t *attrs)
1676 {
1677 const declarator_t *decl;
1678 int is_str = is_attr(attrs, ATTR_STRING);
1679 type_t *type = decl_spec->type;
1680
1681 if (is_str)
1682 {
1683 type_t *t = decl_spec->type;
1684
1685 while (is_ptr(t))
1686 t = type_pointer_get_ref(t);
1687
1688 if (type_get_type(t) != TYPE_BASIC &&
1689 (get_basic_fc(t) != RPC_FC_CHAR &&
1690 get_basic_fc(t) != RPC_FC_BYTE &&
1691 get_basic_fc(t) != RPC_FC_WCHAR))
1692 {
1693 decl = LIST_ENTRY( list_head( decls ), const declarator_t, entry );
1694 error_loc("'%s': [string] attribute is only valid on 'char', 'byte', or 'wchar_t' pointers and arrays\n",
1695 decl->var->name);
1696 }
1697 }
1698
1699 /* We must generate names for tagless enum, struct or union.
1700 Typedef-ing a tagless enum, struct or union means we want the typedef
1701 to be included in a library hence the public attribute. */
1702 if ((type_get_type_detect_alias(type) == TYPE_ENUM ||
1703 type_get_type_detect_alias(type) == TYPE_STRUCT ||
1704 type_get_type_detect_alias(type) == TYPE_UNION ||
1705 type_get_type_detect_alias(type) == TYPE_ENCAPSULATED_UNION) &&
1706 !type->name && !parse_only)
1707 {
1708 if (! is_attr(attrs, ATTR_PUBLIC))
1709 attrs = append_attr( attrs, make_attr(ATTR_PUBLIC) );
1710 type->name = gen_name();
1711 }
1712 else if (is_attr(attrs, ATTR_UUID) && !is_attr(attrs, ATTR_PUBLIC))
1713 attrs = append_attr( attrs, make_attr(ATTR_PUBLIC) );
1714
1715 LIST_FOR_EACH_ENTRY( decl, decls, const declarator_t, entry )
1716 {
1717 var_t *name = decl->var;
1718
1719 if (name->name) {
1720 type_t *cur;
1721
1722 cur = find_type(name->name, 0);
1723 if (cur)
1724 error_loc("%s: redefinition error; original definition was at %s:%d\n",
1725 cur->name, cur->loc_info.input_name,
1726 cur->loc_info.line_number);
1727
1728 /* set the attributes to allow set_type to do some checks on them */
1729 name->attrs = attrs;
1730 set_type(name, decl_spec, decl, 0);
1731 cur = type_new_alias(name->type, name->name);
1732 cur->attrs = attrs;
1733
1734 if (is_incomplete(cur))
1735 add_incomplete(cur);
1736 reg_type(cur, cur->name, 0);
1737 }
1738 }
1739 return type;
1740 }
1741
1742 type_t *find_type(const char *name, int t)
1743 {
1744 struct rtype *cur = type_hash[hash_ident(name)];
1745 while (cur && (cur->t != t || strcmp(cur->name, name)))
1746 cur = cur->next;
1747 return cur ? cur->type : NULL;
1748 }
1749
1750 static type_t *find_type_or_error(const char *name, int t)
1751 {
1752 type_t *type = find_type(name, t);
1753 if (!type) {
1754 error_loc("type '%s' not found\n", name);
1755 return NULL;
1756 }
1757 return type;
1758 }
1759
1760 static type_t *find_type_or_error2(char *name, int t)
1761 {
1762 type_t *tp = find_type_or_error(name, t);
1763 free(name);
1764 return tp;
1765 }
1766
1767 int is_type(const char *name)
1768 {
1769 return find_type(name, 0) != NULL;
1770 }
1771
1772 type_t *get_type(enum type_type type, char *name, int t)
1773 {
1774 type_t *tp;
1775 if (name) {
1776 tp = find_type(name, t);
1777 if (tp) {
1778 free(name);
1779 return tp;
1780 }
1781 }
1782 tp = make_type(type);
1783 tp->name = name;
1784 if (!name) return tp;
1785 return reg_type(tp, name, t);
1786 }
1787
1788 /***** constant repository *****/
1789
1790 struct rconst {
1791 char *name;
1792 var_t *var;
1793 struct rconst *next;
1794 };
1795
1796 struct rconst *const_hash[HASHMAX];
1797
1798 static var_t *reg_const(var_t *var)
1799 {
1800 struct rconst *nc;
1801 int hash;
1802 if (!var->name) {
1803 error_loc("registering constant without name\n");
1804 return var;
1805 }
1806 hash = hash_ident(var->name);
1807 nc = xmalloc(sizeof(struct rconst));
1808 nc->name = var->name;
1809 nc->var = var;
1810 nc->next = const_hash[hash];
1811 const_hash[hash] = nc;
1812 return var;
1813 }
1814
1815 var_t *find_const(const char *name, int f)
1816 {
1817 struct rconst *cur = const_hash[hash_ident(name)];
1818 while (cur && strcmp(cur->name, name))
1819 cur = cur->next;
1820 if (!cur) {
1821 if (f) error_loc("constant '%s' not found\n", name);
1822 return NULL;
1823 }
1824 return cur->var;
1825 }
1826
1827 static char *gen_name(void)
1828 {
1829 static const char format[] = "__WIDL_%s_generated_name_%08lX";
1830 static unsigned long n = 0;
1831 static const char *file_id;
1832 static size_t size;
1833 char *name;
1834
1835 if (! file_id)
1836 {
1837 char *dst = dup_basename(input_name, ".idl");
1838 file_id = dst;
1839
1840 for (; *dst; ++dst)
1841 if (! isalnum((unsigned char) *dst))
1842 *dst = '_';
1843
1844 size = sizeof format - 7 + strlen(file_id) + 8;
1845 }
1846
1847 name = xmalloc(size);
1848 sprintf(name, format, file_id, n++);
1849 return name;
1850 }
1851
1852 struct allowed_attr
1853 {
1854 unsigned int dce_compatible : 1;
1855 unsigned int acf : 1;
1856 unsigned int on_interface : 1;
1857 unsigned int on_function : 1;
1858 unsigned int on_arg : 1;
1859 unsigned int on_type : 1;
1860 unsigned int on_enum : 1;
1861 unsigned int on_struct : 1;
1862 unsigned int on_union : 1;
1863 unsigned int on_field : 1;
1864 unsigned int on_library : 1;
1865 unsigned int on_dispinterface : 1;
1866 unsigned int on_module : 1;
1867 unsigned int on_coclass : 1;
1868 const char *display_name;
1869 };
1870
1871 struct allowed_attr allowed_attr[] =
1872 {
1873 /* attr { D ACF I Fn ARG T En St Un Fi L DI M C <display name> } */
1874 /* ATTR_AGGREGATABLE */ { 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 1, "aggregatable" },
1875 /* ATTR_APPOBJECT */ { 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 1, "appobject" },
1876 /* ATTR_ASYNC */ { 0, 1, 0, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, "async" },
1877 /* ATTR_AUTO_HANDLE */ { 1, 1, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, "auto_handle" },
1878 /* ATTR_BINDABLE */ { 0, 0, 0, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, "bindable" },
1879 /* ATTR_BROADCAST */ { 1, 0, 0, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, "broadcast" },
1880 /* ATTR_CALLAS */ { 0, 0, 0, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, "call_as" },
1881 /* ATTR_CALLCONV */ { 0, 0, 0, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, NULL },
1882 /* ATTR_CASE */ { 1, 0, 0, 0, 0, 0, 0, 0, 0, 1, 0, 0, 0, 0, "case" },
1883 /* ATTR_CONST */ { 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, "const" },
1884 /* ATTR_CONTEXTHANDLE */ { 1, 0, 0, 0, 0, 1, 0, 0, 0, 0, 0, 0, 0, 0, "context_handle" },
1885 /* ATTR_CONTROL */ { 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 1, 0, 0, 1, "control" },
1886 /* ATTR_DEFAULT */ { 0, 0, 1, 0, 0, 0, 0, 0, 0, 1, 0, 1, 0, 0, "default" },
1887 /* ATTR_DEFAULTCOLLELEM */ { 0, 0, 0, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, "defaultcollelem" },
1888 /* ATTR_DEFAULTVALUE */ { 0, 0, 0, 0, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, "defaultvalue" },
1889 /* ATTR_DEFAULTVTABLE */ { 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 1, "defaultvtable" },
1890 /* ATTR_DISPINTERFACE */ { 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, NULL },
1891 /* ATTR_DISPLAYBIND */ { 0, 0, 0, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, "displaybind" },
1892 /* ATTR_DLLNAME */ { 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 1, 0, "dllname" },
1893 /* ATTR_DUAL */ { 0, 0, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, "dual" },
1894 /* ATTR_ENDPOINT */ { 1, 0, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, "endpoint" },
1895 /* ATTR_ENTRY */ { 0, 0, 0, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, "entry" },
1896 /* ATTR_EXPLICIT_HANDLE */ { 1, 1, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, "explicit_handle" },
1897 /* ATTR_HANDLE */ { 1, 0, 0, 0, 0, 1, 0, 0, 0, 0, 0, 0, 0, 0, "handle" },
1898 /* ATTR_HELPCONTEXT */ { 0, 0, 1, 1, 0, 1, 1, 0, 0, 0, 1, 1, 1, 1, "helpcontext" },
1899 /* ATTR_HELPFILE */ { 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 1, 0, 0, 0, "helpfile" },
1900 /* ATTR_HELPSTRING */ { 0, 0, 1, 1, 0, 1, 1, 0, 0, 0, 1, 1, 1, 1, "helpstring" },
1901 /* ATTR_HELPSTRINGCONTEXT */ { 0, 0, 1, 1, 0, 1, 1, 0, 0, 0, 1, 1, 1, 1, "helpstringcontext" },
1902 /* ATTR_HELPSTRINGDLL */ { 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 1, 0, 0, 0, "helpstringdll" },
1903 /* ATTR_HIDDEN */ { 0, 0, 1, 1, 0, 0, 0, 0, 0, 0, 1, 1, 0, 1, "hidden" },
1904 /* ATTR_ID */ { 0, 0, 0, 1, 0, 0, 0, 0, 0, 1, 0, 0, 0, 0, "id" },
1905 /* ATTR_IDEMPOTENT */ { 1, 0, 0, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, "idempotent" },
1906 /* ATTR_IIDIS */ { 0, 0, 0, 0, 1, 0, 0, 0, 0, 1, 0, 0, 0, 0, "iid_is" },
1907 /* ATTR_IMMEDIATEBIND */ { 0, 0, 0, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, "immediatebind" },
1908 /* ATTR_IMPLICIT_HANDLE */ { 1, 1, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, "implicit_handle" },
1909 /* ATTR_IN */ { 0, 0, 0, 0, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, "in" },
1910 /* ATTR_INLINE */ { 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, "inline" },
1911 /* ATTR_INPUTSYNC */ { 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, "inputsync" },
1912 /* ATTR_LENGTHIS */ { 0, 0, 0, 0, 1, 0, 0, 0, 0, 1, 0, 0, 0, 0, "length_is" },
1913 /* ATTR_LIBLCID */ { 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 1, 0, 0, 0, "lcid" },
1914 /* ATTR_LOCAL */ { 1, 0, 1, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, "local" },
1915 /* ATTR_NONBROWSABLE */ { 0, 0, 0, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, "nonbrowsable" },
1916 /* ATTR_NONCREATABLE */ { 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 1, "noncreatable" },
1917 /* ATTR_NONEXTENSIBLE */ { 0, 0, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, "nonextensible" },
1918 /* ATTR_OBJECT */ { 0, 0, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, "object" },
1919 /* ATTR_ODL */ { 0, 0, 1, 0, 0, 0, 0, 0, 0, 0, 0, 1, 0, 0, "odl" },
1920 /* ATTR_OLEAUTOMATION */ { 0, 0, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, "oleautomation" },
1921 /* ATTR_OPTIONAL */ { 0, 0, 0, 0, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, "optional" },
1922 /* ATTR_OUT */ { 1, 0, 0, 0, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, "out" },
1923 /* ATTR_PARAMLCID */ { 0, 0, 0, 0, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, "lcid" },
1924 /* ATTR_POINTERDEFAULT */ { 1, 0, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, "pointer_default" },
1925 /* ATTR_POINTERTYPE */ { 1, 0, 0, 0, 1, 1, 0, 0, 0, 1, 0, 0, 0, 0, "ref, unique or ptr" },
1926 /* ATTR_PROPGET */ { 0, 0, 0, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, "propget" },
1927 /* ATTR_PROPPUT */ { 0, 0, 0, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, "propput" },
1928 /* ATTR_PROPPUTREF */ { 0, 0, 0, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, "propputref" },
1929 /* ATTR_PUBLIC */ { 0, 0, 0, 0, 0, 1, 0, 0, 0, 0, 0, 0, 0, 0, "public" },
1930 /* ATTR_RANGE */ { 0, 0, 0, 0, 1, 1, 1, 0, 0, 1, 0, 0, 0, 0, "range" },
1931 /* ATTR_READONLY */ { 0, 0, 0, 0, 1, 0, 0, 0, 0, 1, 0, 0, 0, 0, "readonly" },
1932 /* ATTR_REQUESTEDIT */ { 0, 0, 0, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, "requestedit" },
1933 /* ATTR_RESTRICTED */ { 0, 0, 1, 1, 0, 1, 1, 1, 0, 0, 1, 1, 1, 0, "restricted" },
1934 /* ATTR_RETVAL */ { 0, 0, 0, 0, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, "retval" },
1935 /* ATTR_SIZEIS */ { 0, 0, 0, 0, 1, 0, 0, 0, 0, 1, 0, 0, 0, 0, "size_is" },
1936 /* ATTR_SOURCE */ { 0, 0, 1, 1, 0, 0, 0, 0, 0, 0, 0, 1, 0, 0, "source" },
1937 /* ATTR_STRICTCONTEXTHANDLE */ { 0, 0, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, "strict_context_handle" },
1938 /* ATTR_STRING */ { 1, 0, 0, 1, 1, 1, 0, 0, 0, 1, 0, 0, 0, 0, "string" },
1939 /* ATTR_SWITCHIS */ { 1, 0, 0, 0, 1, 0, 0, 0, 0, 1, 0, 0, 0, 0, "switch_is" },
1940 /* ATTR_SWITCHTYPE */ { 1, 0, 0, 0, 0, 1, 0, 0, 0, 1, 0, 0, 0, 0, "switch_type" },
1941 /* ATTR_TRANSMITAS */ { 1, 0, 0, 0, 0, 1, 0, 0, 0, 0, 0, 0, 0, 0, "transmit_as" },
1942 /* ATTR_UUID */ { 1, 0, 1, 0, 0, 1, 1, 0, 0, 0, 1, 1, 1, 1, "uuid" },
1943 /* ATTR_V1ENUM */ { 0, 0, 0, 0, 0, 1, 1, 0, 0, 0, 0, 0, 0, 0, "v1_enum" },
1944 /* ATTR_VARARG */ { 0, 0, 0, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, "vararg" },
1945 /* ATTR_VERSION */ { 1, 0, 1, 0, 0, 0, 0, 0, 0, 0, 1, 0, 0, 0, "version" },
1946 /* ATTR_WIREMARSHAL */ { 1, 0, 0, 0, 0, 1, 0, 0, 0, 0, 0, 0, 0, 0, "wire_marshal" },
1947 };
1948
1949 const char *get_attr_display_name(enum attr_type type)
1950 {
1951 return allowed_attr[type].display_name;
1952 }
1953
1954 static attr_list_t *check_iface_attrs(const char *name, attr_list_t *attrs)
1955 {
1956 const attr_t *attr;
1957 if (!attrs) return attrs;
1958 LIST_FOR_EACH_ENTRY(attr, attrs, const attr_t, entry)
1959 {
1960 if (!allowed_attr[attr->type].on_interface)
1961 error_loc("inapplicable attribute %s for interface %s\n",
1962 allowed_attr[attr->type].display_name, name);
1963 }
1964 return attrs;
1965 }
1966
1967 static attr_list_t *check_function_attrs(const char *name, attr_list_t *attrs)
1968 {
1969 const attr_t *attr;
1970 if (!attrs) return attrs;
1971 LIST_FOR_EACH_ENTRY(attr, attrs, const attr_t, entry)
1972 {
1973 if (!allowed_attr[attr->type].on_function)
1974 error_loc("inapplicable attribute %s for function %s\n",
1975 allowed_attr[attr->type].display_name, name);
1976 }
1977 return attrs;
1978 }
1979
1980 static void check_arg(var_t *arg)
1981 {
1982 const type_t *t = arg->type;
1983 const attr_t *attr;
1984
1985 if (type_get_type(t) == TYPE_VOID)
1986 error_loc("argument '%s' has void type\n", arg->name);
1987
1988 if (arg->attrs)
1989 {
1990 LIST_FOR_EACH_ENTRY(attr, arg->attrs, const attr_t, entry)
1991 {
1992 if (!allowed_attr[attr->type].on_arg)
1993 error_loc("inapplicable attribute %s for argument %s\n",
1994 allowed_attr[attr->type].display_name, arg->name);
1995 }
1996 }
1997 }
1998
1999 static attr_list_t *check_typedef_attrs(attr_list_t *attrs)
2000 {
2001 const attr_t *attr;
2002 if (!attrs) return attrs;
2003 LIST_FOR_EACH_ENTRY(attr, attrs, const attr_t, entry)
2004 {
2005 if (!allowed_attr[attr->type].on_type)
2006 error_loc("inapplicable attribute %s for typedef\n",
2007 allowed_attr[attr->type].display_name);
2008 }
2009 return attrs;
2010 }
2011
2012 static attr_list_t *check_enum_attrs(attr_list_t *attrs)
2013 {
2014 const attr_t *attr;
2015 if (!attrs) return attrs;
2016 LIST_FOR_EACH_ENTRY(attr, attrs, const attr_t, entry)
2017 {
2018 if (!allowed_attr[attr->type].on_enum)
2019 error_loc("inapplicable attribute %s for enum\n",
2020 allowed_attr[attr->type].display_name);
2021 }
2022 return attrs;
2023 }
2024
2025 static attr_list_t *check_struct_attrs(attr_list_t *attrs)
2026 {
2027 const attr_t *attr;
2028 if (!attrs) return attrs;
2029 LIST_FOR_EACH_ENTRY(attr, attrs, const attr_t, entry)
2030 {
2031 if (!allowed_attr[attr->type].on_struct)
2032 error_loc("inapplicable attribute %s for struct\n",
2033 allowed_attr[attr->type].display_name);
2034 }
2035 return attrs;
2036 }
2037
2038 static attr_list_t *check_union_attrs(attr_list_t *attrs)
2039 {
2040 const attr_t *attr;
2041 if (!attrs) return attrs;
2042 LIST_FOR_EACH_ENTRY(attr, attrs, const attr_t, entry)
2043 {
2044 if (!allowed_attr[attr->type].on_union)
2045 error_loc("inapplicable attribute %s for union\n",
2046 allowed_attr[attr->type].display_name);
2047 }
2048 return attrs;
2049 }
2050
2051 static attr_list_t *check_field_attrs(const char *name, attr_list_t *attrs)
2052 {
2053 const attr_t *attr;
2054 if (!attrs) return attrs;
2055 LIST_FOR_EACH_ENTRY(attr, attrs, const attr_t, entry)
2056 {
2057 if (!allowed_attr[attr->type].on_field)
2058 error_loc("inapplicable attribute %s for field %s\n",
2059 allowed_attr[attr->type].display_name, name);
2060 }
2061 return attrs;
2062 }
2063
2064 static attr_list_t *check_library_attrs(const char *name, attr_list_t *attrs)
2065 {
2066 const attr_t *attr;
2067 if (!attrs) return attrs;
2068 LIST_FOR_EACH_ENTRY(attr, attrs, const attr_t, entry)
2069 {
2070 if (!allowed_attr[attr->type].on_library)
2071 error_loc("inapplicable attribute %s for library %s\n",
2072 allowed_attr[attr->type].display_name, name);
2073 }
2074 return attrs;
2075 }
2076
2077 static attr_list_t *check_dispiface_attrs(const char *name, attr_list_t *attrs)
2078 {
2079 const attr_t *attr;
2080 if (!attrs) return attrs;
2081 LIST_FOR_EACH_ENTRY(attr, attrs, const attr_t, entry)
2082 {
2083 if (!allowed_attr[attr->type].on_dispinterface)
2084 error_loc("inapplicable attribute %s for dispinterface %s\n",
2085 allowed_attr[attr->type].display_name, name);
2086 }
2087 return attrs;
2088 }
2089
2090 static attr_list_t *check_module_attrs(const char *name, attr_list_t *attrs)
2091 {
2092 const attr_t *attr;
2093 if (!attrs) return attrs;
2094 LIST_FOR_EACH_ENTRY(attr, attrs, const attr_t, entry)
2095 {
2096 if (!allowed_attr[attr->type].on_module)
2097 error_loc("inapplicable attribute %s for module %s\n",
2098 allowed_attr[attr->type].display_name, name);
2099 }
2100 return attrs;
2101 }
2102
2103 static attr_list_t *check_coclass_attrs(const char *name, attr_list_t *attrs)
2104 {
2105 const attr_t *attr;
2106 if (!attrs) return attrs;
2107 LIST_FOR_EACH_ENTRY(attr, attrs, const attr_t, entry)
2108 {
2109 if (!allowed_attr[attr->type].on_coclass)
2110 error_loc("inapplicable attribute %s for coclass %s\n",
2111 allowed_attr[attr->type].display_name, name);
2112 }
2113 return attrs;
2114 }
2115
2116 static int is_allowed_conf_type(const type_t *type)
2117 {
2118 switch (type_get_type(type))
2119 {
2120 case TYPE_ENUM:
2121 return TRUE;
2122 case TYPE_BASIC:
2123 switch (type_basic_get_type(type))
2124 {
2125 case TYPE_BASIC_INT8:
2126 case TYPE_BASIC_INT16:
2127 case TYPE_BASIC_INT32:
2128 case TYPE_BASIC_INT64:
2129 case TYPE_BASIC_INT:
2130 case TYPE_BASIC_CHAR:
2131 case TYPE_BASIC_HYPER:
2132 case TYPE_BASIC_BYTE:
2133 case TYPE_BASIC_WCHAR:
2134 case TYPE_BASIC_ERROR_STATUS_T:
2135 return TRUE;
2136 default:
2137 return FALSE;
2138 }
2139 case TYPE_ALIAS:
2140 /* shouldn't get here because of type_get_type call above */
2141 assert(0);
2142 /* fall through */
2143 case TYPE_STRUCT:
2144 case TYPE_UNION:
2145 case TYPE_ENCAPSULATED_UNION:
2146 case TYPE_ARRAY:
2147 case TYPE_POINTER:
2148 case TYPE_VOID:
2149 case TYPE_MODULE:
2150 case TYPE_COCLASS:
2151 case TYPE_FUNCTION:
2152 case TYPE_INTERFACE:
2153 return FALSE;
2154 }
2155 return FALSE;
2156 }
2157
2158 static int is_ptr_guid_type(const type_t *type)
2159 {
2160 unsigned int align = 0;
2161
2162 /* first, make sure it is a pointer to something */
2163 if (!is_ptr(type)) return FALSE;
2164
2165 /* second, make sure it is a pointer to something of size sizeof(GUID),
2166 * i.e. 16 bytes */
2167 return (type_memsize(type_pointer_get_ref(type), &align) == 16);
2168 }
2169
2170 static void check_conformance_expr_list(const char *attr_name, const var_t *arg, const type_t *container_type, expr_list_t *expr_list)
2171 {
2172 expr_t *dim;
2173 struct expr_loc expr_loc;
2174 expr_loc.v = arg;
2175 expr_loc.attr = attr_name;
2176 if (expr_list) LIST_FOR_EACH_ENTRY(dim, expr_list, expr_t, entry)
2177 {
2178 if (dim->type != EXPR_VOID)
2179 {
2180 const type_t *expr_type = expr_resolve_type(&expr_loc, container_type, dim);
2181 if (!is_allowed_conf_type(expr_type))
2182 error_loc_info(&arg->loc_info, "expression must resolve to integral type <= 32bits for attribute %s\n",
2183 attr_name);
2184 }
2185 }
2186 }
2187
2188 static void check_remoting_fields(const var_t *var, type_t *type);
2189
2190 /* checks that properties common to fields and arguments are consistent */
2191 static void check_field_common(const type_t *container_type,
2192 const char *container_name, const var_t *arg)
2193 {
2194 type_t *type = arg->type;
2195 int more_to_do;
2196 const char *container_type_name = NULL;
2197
2198 switch (type_get_type_detect_alias(type))
2199 {
2200 case TYPE_STRUCT:
2201 container_type_name = "struct";
2202 break;
2203 case TYPE_UNION:
2204 container_type_name = "union";
2205 break;
2206 case TYPE_ENCAPSULATED_UNION:
2207 container_type_name = "encapsulated union";
2208 break;
2209 case TYPE_FUNCTION:
2210 container_type_name = "function";
2211 break;
2212 default:
2213 break;
2214 }
2215
2216 if (is_attr(arg->attrs, ATTR_LENGTHIS) &&
2217 (is_attr(arg->attrs, ATTR_STRING) || is_aliaschain_attr(arg->type, ATTR_STRING)))
2218 error_loc_info(&arg->loc_info,
2219 "string and length_is specified for argument %s are mutually exclusive attributes\n",
2220 arg->name);
2221
2222 if (is_attr(arg->attrs, ATTR_SIZEIS))
2223 {
2224 expr_list_t *size_is_exprs = get_attrp(arg->attrs, ATTR_SIZEIS);
2225 check_conformance_expr_list("size_is", arg, container_type, size_is_exprs);
2226 }
2227 if (is_attr(arg->attrs, ATTR_LENGTHIS))
2228 {
2229 expr_list_t *length_is_exprs = get_attrp(arg->attrs, ATTR_LENGTHIS);
2230 check_conformance_expr_list("length_is", arg, container_type, length_is_exprs);
2231 }
2232 if (is_attr(arg->attrs, ATTR_IIDIS))
2233 {
2234 struct expr_loc expr_loc;
2235 expr_t *expr = get_attrp(arg->attrs, ATTR_IIDIS);
2236 if (expr->type != EXPR_VOID)
2237 {
2238 const type_t *expr_type;
2239 expr_loc.v = arg;
2240 expr_loc.attr = "iid_is";
2241 expr_type = expr_resolve_type(&expr_loc, container_type, expr);
2242 if (!expr_type || !is_ptr_guid_type(expr_type))
2243 error_loc_info(&arg->loc_info, "expression must resolve to pointer to GUID type for attribute iid_is\n");
2244 }
2245 }
2246 if (is_attr(arg->attrs, ATTR_SWITCHIS))
2247 {
2248 struct expr_loc expr_loc;
2249 expr_t *expr = get_attrp(arg->attrs, ATTR_SWITCHIS);
2250 if (expr->type != EXPR_VOID)
2251 {
2252 const type_t *expr_type;
2253 expr_loc.v = arg;
2254 expr_loc.attr = "switch_is";
2255 expr_type = expr_resolve_type(&expr_loc, container_type, expr);
2256 if (!expr_type || !is_allowed_conf_type(expr_type))
2257 error_loc_info(&arg->loc_info, "expression must resolve to integral type <= 32bits for attribute %s\n",
2258 expr_loc.attr);
2259 }
2260 }
2261
2262 do
2263 {
2264 more_to_do = FALSE;
2265
2266 switch (typegen_detect_type(type, arg->attrs, TDT_IGNORE_STRINGS))
2267 {
2268 case TGT_STRUCT:
2269 case TGT_UNION:
2270 check_remoting_fields(arg, type);
2271 break;
2272 case TGT_INVALID:
2273 switch (type_get_type(type))
2274 {
2275 case TYPE_VOID:
2276 error_loc_info(&arg->loc_info, "parameter \'%s\' of %s \'%s\' cannot derive from void *\n",
2277 arg->name, container_type_name, container_name);
2278 break;
2279 case TYPE_FUNCTION:
2280 error_loc_info(&arg->loc_info, "parameter \'%s\' of %s \'%s\' cannot be a function pointer\n",
2281 arg->name, container_type_name, container_name);
2282 break;
2283 case TYPE_COCLASS:
2284 case TYPE_INTERFACE:
2285 case TYPE_MODULE:
2286 /* FIXME */
2287 break;
2288 default:
2289 break;
2290 }
2291 case TGT_CTXT_HANDLE:
2292 case TGT_CTXT_HANDLE_POINTER:
2293 /* FIXME */
2294 break;
2295 case TGT_POINTER:
2296 type = type_pointer_get_ref(type);
2297 more_to_do = TRUE;
2298 break;
2299 case TGT_ARRAY:
2300 type = type_array_get_element(type);
2301 more_to_do = TRUE;
2302 break;
2303 case TGT_USER_TYPE:
2304 case TGT_STRING:
2305 case TGT_IFACE_POINTER:
2306 case TGT_BASIC:
2307 case TGT_ENUM:
2308 /* nothing to do */
2309 break;
2310 }
2311 } while (more_to_do);
2312 }
2313
2314 static void check_remoting_fields(const var_t *var, type_t *type)
2315 {
2316 const var_t *field;
2317 const var_list_t *fields = NULL;
2318
2319 type = type_get_real_type(type);
2320
2321 if (type->checked)
2322 return;
2323
2324 type->checked = TRUE;
2325
2326 if (type_get_type(type) == TYPE_STRUCT)
2327 {
2328 if (type_is_complete(type))
2329 fields = type_struct_get_fields(type);
2330 else
2331 error_loc_info(&var->loc_info, "undefined type declaration %s\n", type->name);
2332 }
2333 else if (type_get_type(type) == TYPE_UNION || type_get_type(type) == TYPE_ENCAPSULATED_UNION)
2334 fields = type_union_get_cases(type);
2335
2336 if (fields) LIST_FOR_EACH_ENTRY( field, fields, const var_t, entry )
2337 if (field->type) check_field_common(type, type->name, field);
2338 }
2339
2340 /* checks that arguments for a function make sense for marshalling and unmarshalling */
2341 static void check_remoting_args(const var_t *func)
2342 {
2343 const char *funcname = func->name;
2344 const var_t *arg;
2345
2346 if (func->type->details.function->args) LIST_FOR_EACH_ENTRY( arg, func->type->details.function->args, const var_t, entry )
2347 {
2348 const type_t *type = arg->type;
2349
2350 /* check that [out] parameters have enough pointer levels */
2351 if (is_attr(arg->attrs, ATTR_OUT))
2352 {
2353 switch (typegen_detect_type(type, arg->attrs, TDT_ALL_TYPES))
2354 {
2355 case TGT_BASIC:
2356 case TGT_ENUM:
2357 case TGT_STRUCT:
2358 case TGT_UNION:
2359 case TGT_CTXT_HANDLE:
2360 case TGT_USER_TYPE:
2361 error_loc_info(&arg->loc_info, "out parameter \'%s\' of function \'%s\' is not a pointer\n", arg->name, funcname);
2362 break;
2363 case TGT_IFACE_POINTER:
2364 error_loc_info(&arg->loc_info, "out interface pointer \'%s\' of function \'%s\' is not a double pointer\n", arg->name, funcname);
2365 break;
2366 case TGT_STRING:
2367 if (!is_array(type))
2368 {
2369 /* FIXME */
2370 }
2371 break;
2372 case TGT_INVALID:
2373 /* already error'd before we get here */
2374 case TGT_CTXT_HANDLE_POINTER:
2375 case TGT_POINTER:
2376 case TGT_ARRAY:
2377 /* OK */
2378 break;
2379 }
2380 }
2381
2382 check_field_common(func->type, funcname, arg);
2383 }
2384 }
2385
2386 static void add_explicit_handle_if_necessary(var_t *func)
2387 {
2388 const var_t* explicit_handle_var;
2389 const var_t* explicit_generic_handle_var = NULL;
2390 const var_t* context_handle_var = NULL;
2391
2392 /* check for a defined binding handle */
2393 explicit_handle_var = get_explicit_handle_var(func);
2394 if (!explicit_handle_var)
2395 {
2396 explicit_generic_handle_var = get_explicit_generic_handle_var(func);
2397 if (!explicit_generic_handle_var)
2398 {
2399 context_handle_var = get_context_handle_var(func);
2400 if (!context_handle_var)
2401 {
2402 /* no explicit handle specified so add
2403 * "[in] handle_t IDL_handle" as the first parameter to the
2404 * function */
2405 var_t *idl_handle = make_var(xstrdup("IDL_handle"));
2406 idl_handle->attrs = append_attr(NULL, make_attr(ATTR_IN));
2407 idl_handle->type = find_type_or_error("handle_t", 0);
2408 type_function_add_head_arg(func->type, idl_handle);
2409 }
2410 }
2411 }
2412 }
2413
2414 static void check_functions(const type_t *iface, int is_inside_library)
2415 {
2416 const statement_t *stmt;
2417 if (is_attr(iface->attrs, ATTR_EXPLICIT_HANDLE))
2418 {
2419 STATEMENTS_FOR_EACH_FUNC( stmt, type_iface_get_stmts(iface) )
2420 {
2421 var_t *func = stmt->u.var;
2422 add_explicit_handle_if_necessary(func);
2423 }
2424 }
2425 if (!is_inside_library && !is_attr(iface->attrs, ATTR_LOCAL))
2426 {
2427 STATEMENTS_FOR_EACH_FUNC( stmt, type_iface_get_stmts(iface) )
2428 {
2429 const var_t *func = stmt->u.var;
2430 if (!is_attr(func->attrs, ATTR_LOCAL))
2431 check_remoting_args(func);
2432 }
2433 }
2434 }
2435
2436 static void check_statements(const statement_list_t *stmts, int is_inside_library)
2437 {
2438 const statement_t *stmt;
2439
2440 if (stmts) LIST_FOR_EACH_ENTRY(stmt, stmts, const statement_t, entry)
2441 {
2442 if (stmt->type == STMT_LIBRARY)
2443 check_statements(stmt->u.lib->stmts, TRUE);
2444 else if (stmt->type == STMT_TYPE && type_get_type(stmt->u.type) == TYPE_INTERFACE)
2445 check_functions(stmt->u.type, is_inside_library);
2446 }
2447 }
2448
2449 static void check_all_user_types(const statement_list_t *stmts)
2450 {
2451 const statement_t *stmt;
2452
2453 if (stmts) LIST_FOR_EACH_ENTRY(stmt, stmts, const statement_t, entry)
2454 {
2455 if (stmt->type == STMT_LIBRARY)
2456 check_all_user_types(stmt->u.lib->stmts);
2457 else if (stmt->type == STMT_TYPE && type_get_type(stmt->u.type) == TYPE_INTERFACE &&
2458 !is_local(stmt->u.type->attrs))
2459 {
2460 const statement_t *stmt_func;
2461 STATEMENTS_FOR_EACH_FUNC(stmt_func, type_iface_get_stmts(stmt->u.type)) {
2462 const var_t *func = stmt_func->u.var;
2463 check_for_additional_prototype_types(func->type->details.function->args);
2464 }
2465 }
2466 }
2467 }
2468
2469 int is_valid_uuid(const char *s)
2470 {
2471 int i;
2472
2473 for (i = 0; i < 36; ++i)
2474 if (i == 8 || i == 13 || i == 18 || i == 23)
2475 {
2476 if (s[i] != '-')
2477 return FALSE;
2478 }
2479 else
2480 if (!isxdigit(s[i]))
2481 return FALSE;
2482
2483 return s[i] == '\0';
2484 }
2485
2486 static statement_t *make_statement(enum statement_type type)
2487 {
2488 statement_t *stmt = xmalloc(sizeof(*stmt));
2489 stmt->type = type;
2490 return stmt;
2491 }
2492
2493 static statement_t *make_statement_type_decl(type_t *type)
2494 {
2495 statement_t *stmt = make_statement(STMT_TYPE);
2496 stmt->u.type = type;
2497 return stmt;
2498 }
2499
2500 static statement_t *make_statement_reference(type_t *type)
2501 {
2502 statement_t *stmt = make_statement(STMT_TYPEREF);
2503 stmt->u.type = type;
2504 return stmt;
2505 }
2506
2507 static statement_t *make_statement_declaration(var_t *var)
2508 {
2509 statement_t *stmt = make_statement(STMT_DECLARATION);
2510 stmt->u.var = var;
2511 if (var->stgclass == STG_EXTERN && var->eval)
2512 warning("'%s' initialised and declared extern\n", var->name);
2513 if (is_const_decl(var))
2514 {
2515 if (var->eval)
2516 reg_const(var);
2517 }
2518 else if (type_get_type(var->type) == TYPE_FUNCTION)
2519 check_function_attrs(var->name, var->attrs);
2520 else if (var->stgclass == STG_NONE || var->stgclass == STG_REGISTER)
2521 error_loc("instantiation of data is illegal\n");
2522 return stmt;
2523 }
2524
2525 static statement_t *make_statement_library(typelib_t *typelib)
2526 {
2527 statement_t *stmt = make_statement(STMT_LIBRARY);
2528 stmt->u.lib = typelib;
2529 return stmt;
2530 }
2531
2532 static statement_t *make_statement_cppquote(const char *str)
2533 {
2534 statement_t *stmt = make_statement(STMT_CPPQUOTE);
2535 stmt->u.str = str;
2536 return stmt;
2537 }
2538
2539 static statement_t *make_statement_importlib(const char *str)
2540 {
2541 statement_t *stmt = make_statement(STMT_IMPORTLIB);
2542 stmt->u.str = str;
2543 return stmt;
2544 }
2545
2546 static statement_t *make_statement_import(const char *str)
2547 {
2548 statement_t *stmt = make_statement(STMT_IMPORT);
2549 stmt->u.str = str;
2550 return stmt;
2551 }
2552
2553 static statement_t *make_statement_module(type_t *type)
2554 {
2555 statement_t *stmt = make_statement(STMT_MODULE);
2556 stmt->u.type = type;
2557 return stmt;
2558 }
2559
2560 static statement_t *make_statement_typedef(declarator_list_t *decls)
2561 {
2562 declarator_t *decl, *next;
2563 statement_t *stmt;
2564 type_list_t **type_list;
2565
2566 if (!decls) return NULL;
2567
2568 stmt = make_statement(STMT_TYPEDEF);
2569 stmt->u.type_list = NULL;
2570 type_list = &stmt->u.type_list;
2571
2572 LIST_FOR_EACH_ENTRY_SAFE( decl, next, decls, declarator_t, entry )
2573 {
2574 var_t *var = decl->var;
2575 type_t *type = find_type_or_error(var->name, 0);
2576 *type_list = xmalloc(sizeof(type_list_t));
2577 (*type_list)->type = type;
2578 (*type_list)->next = NULL;
2579
2580 type_list = &(*type_list)->next;
2581 free(decl);
2582 free(var);
2583 }
2584
2585 return stmt;
2586 }
2587
2588 static statement_list_t *append_statement(statement_list_t *list, statement_t *stmt)
2589 {
2590 if (!stmt) return list;
2591 if (!list)
2592 {
2593 list = xmalloc( sizeof(*list) );
2594 list_init( list );
2595 }
2596 list_add_tail( list, &stmt->entry );
2597 return list;
2598 }
2599
2600 void init_loc_info(loc_info_t *i)
2601 {
2602 i->input_name = input_name ? input_name : "stdin";
2603 i->line_number = line_number;
2604 i->near_text = parser_text;
2605 }
2606
2607 static void check_def(const type_t *t)
2608 {
2609 if (t->defined)
2610 error_loc("%s: redefinition error; original definition was at %s:%d\n",
2611 t->name, t->loc_info.input_name, t->loc_info.line_number);
2612 }
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