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push b25f14be0dd3305724e1f1ef337bfe2a9ff59832
[wine/hacks.git] / tools / widl / parser.y
blobcd92223d907c05b23f10d0710906f4d3c9e29789
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 #ifdef HAVE_ALLOCA_H
32 #include <alloca.h>
33 #endif
34
35 #include "widl.h"
36 #include "utils.h"
37 #include "parser.h"
38 #include "header.h"
39 #include "typelib.h"
40 #include "typegen.h"
41 #include "expr.h"
42
43 #if defined(YYBYACC)
44 /* Berkeley yacc (byacc) doesn't seem to know about these */
45 /* Some *BSD supplied versions do define these though */
46 # ifndef YYEMPTY
47 # define YYEMPTY (-1) /* Empty lookahead value of yychar */
48 # endif
49 # ifndef YYLEX
50 # define YYLEX yylex()
51 # endif
52
53 #elif defined(YYBISON)
54 /* Bison was used for original development */
55 /* #define YYEMPTY -2 */
56 /* #define YYLEX yylex() */
57
58 #else
59 /* No yacc we know yet */
60 # if !defined(YYEMPTY) || !defined(YYLEX)
61 # error Yacc version/type unknown. This version needs to be verified for settings of YYEMPTY and YYLEX.
62 # elif defined(__GNUC__) /* gcc defines the #warning directive */
63 # warning Yacc version/type unknown. It defines YYEMPTY and YYLEX, but is not tested
64 /* #else we just take a chance that it works... */
65 # endif
66 #endif
67
68 #define YYERROR_VERBOSE
69
70 unsigned char pointer_default = RPC_FC_UP;
71 static int is_in_interface = FALSE;
72 static int is_object_interface = FALSE;
73 /* are we inside a library block? */
74 static int is_inside_library = FALSE;
75
76 typedef struct list typelist_t;
77 struct typenode {
78 type_t *type;
79 struct list entry;
80 };
81
82 struct _import_t
83 {
84 char *name;
85 int import_performed;
86 };
87
88 typedef struct _decl_spec_t
89 {
90 type_t *type;
91 attr_list_t *attrs;
92 enum storage_class stgclass;
93 } decl_spec_t;
94
95 typelist_t incomplete_types = LIST_INIT(incomplete_types);
96
97 static void add_incomplete(type_t *t);
98 static void fix_incomplete(void);
99
100 static str_list_t *append_str(str_list_t *list, char *str);
101 static attr_list_t *append_attr(attr_list_t *list, attr_t *attr);
102 static attr_list_t *append_attr_list(attr_list_t *new_list, attr_list_t *old_list);
103 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);
104 static attr_t *make_attr(enum attr_type type);
105 static attr_t *make_attrv(enum attr_type type, unsigned long val);
106 static attr_t *make_attrp(enum attr_type type, void *val);
107 static expr_list_t *append_expr(expr_list_t *list, expr_t *expr);
108 static array_dims_t *append_array(array_dims_t *list, expr_t *expr);
109 static void set_type(var_t *v, decl_spec_t *decl_spec, const declarator_t *decl, int top);
110 static var_list_t *set_var_types(attr_list_t *attrs, decl_spec_t *decl_spec, declarator_list_t *decls);
111 static ifref_list_t *append_ifref(ifref_list_t *list, ifref_t *iface);
112 static ifref_t *make_ifref(type_t *iface);
113 static var_list_t *append_var(var_list_t *list, var_t *var);
114 static var_list_t *append_var_list(var_list_t *list, var_list_t *vars);
115 static var_t *make_var(char *name);
116 static declarator_list_t *append_declarator(declarator_list_t *list, declarator_t *p);
117 static declarator_t *make_declarator(var_t *var);
118 static func_list_t *append_func(func_list_t *list, func_t *func);
119 static func_t *make_func(var_t *def);
120 static type_t *make_class(char *name);
121 static type_t *make_safearray(type_t *type);
122 static type_t *make_builtin(char *name);
123 static type_t *make_int(int sign);
124 static typelib_t *make_library(const char *name, const attr_list_t *attrs);
125 static type_t *make_func_type(var_list_t *args);
126 static type_t *make_pointer_type(type_t *ref, attr_list_t *attrs);
127 static type_t *append_ptrchain_type(type_t *ptrchain, type_t *type);
128
129 static type_t *reg_type(type_t *type, const char *name, int t);
130 static type_t *reg_typedefs(decl_spec_t *decl_spec, var_list_t *names, attr_list_t *attrs);
131 static type_t *find_type_or_error(const char *name, int t);
132 static type_t *find_type_or_error2(char *name, int t);
133 static type_t *get_type(unsigned char type, char *name, int t);
134 static type_t *get_typev(unsigned char type, var_t *name, int t);
135 static int get_struct_type(var_list_t *fields);
136
137 static var_t *reg_const(var_t *var);
138
139 static void write_libid(const typelib_t *typelib);
140 static void write_clsid(type_t *cls);
141 static void write_diid(type_t *iface);
142 static void write_iid(type_t *iface);
143
144 static int compute_method_indexes(type_t *iface);
145 static char *gen_name(void);
146 static statement_t *process_typedefs(var_list_t *names);
147 static void check_arg(var_t *arg);
148 static void check_functions(const type_t *iface);
149 static void check_all_user_types(const statement_list_t *stmts);
150 static attr_list_t *check_iface_attrs(const char *name, attr_list_t *attrs);
151 static attr_list_t *check_function_attrs(const char *name, attr_list_t *attrs);
152 static attr_list_t *check_typedef_attrs(attr_list_t *attrs);
153 static attr_list_t *check_enum_attrs(attr_list_t *attrs);
154 static attr_list_t *check_struct_attrs(attr_list_t *attrs);
155 static attr_list_t *check_union_attrs(attr_list_t *attrs);
156 static attr_list_t *check_field_attrs(const char *name, attr_list_t *attrs);
157 static attr_list_t *check_library_attrs(const char *name, attr_list_t *attrs);
158 static attr_list_t *check_dispiface_attrs(const char *name, attr_list_t *attrs);
159 static attr_list_t *check_module_attrs(const char *name, attr_list_t *attrs);
160 static attr_list_t *check_coclass_attrs(const char *name, attr_list_t *attrs);
161 const char *get_attr_display_name(enum attr_type type);
162 static void add_explicit_handle_if_necessary(func_t *func);
163 static void check_def(const type_t *t);
164
165 static statement_t *make_statement(enum statement_type type);
166 static statement_t *make_statement_type_decl(type_t *type);
167 static statement_t *make_statement_reference(type_t *type);
168 static statement_t *make_statement_declaration(var_t *var);
169 static statement_t *make_statement_library(typelib_t *typelib);
170 static statement_t *make_statement_cppquote(const char *str);
171 static statement_t *make_statement_importlib(const char *str);
172 static statement_t *make_statement_module(type_t *type);
173 static statement_t *make_statement_import(const char *str);
174 static statement_list_t *append_statement(statement_list_t *list, statement_t *stmt);
175 static func_list_t *append_func_from_statement(func_list_t *list, statement_t *stmt);
176
177 #define tsENUM 1
178 #define tsSTRUCT 2
179 #define tsUNION 3
180
181 %}
182 %union {
183 attr_t *attr;
184 attr_list_t *attr_list;
185 str_list_t *str_list;
186 expr_t *expr;
187 expr_list_t *expr_list;
188 array_dims_t *array_dims;
189 type_t *type;
190 var_t *var;
191 var_list_t *var_list;
192 declarator_t *declarator;
193 declarator_list_t *declarator_list;
194 func_t *func;
195 func_list_t *func_list;
196 statement_t *statement;
197 statement_list_t *stmt_list;
198 ifref_t *ifref;
199 ifref_list_t *ifref_list;
200 char *str;
201 UUID *uuid;
202 unsigned int num;
203 double dbl;
204 interface_info_t ifinfo;
205 typelib_t *typelib;
206 struct _import_t *import;
207 struct _decl_spec_t *declspec;
208 enum storage_class stgclass;
209 }
210
211 %token <str> aIDENTIFIER
212 %token <str> aKNOWNTYPE
213 %token <num> aNUM aHEXNUM
214 %token <dbl> aDOUBLE
215 %token <str> aSTRING aWSTRING
216 %token <uuid> aUUID
217 %token aEOF
218 %token SHL SHR
219 %token MEMBERPTR
220 %token EQUALITY INEQUALITY
221 %token GREATEREQUAL LESSEQUAL
222 %token LOGICALOR LOGICALAND
223 %token tAGGREGATABLE tALLOCATE tAPPOBJECT tASYNC tASYNCUUID
224 %token tAUTOHANDLE tBINDABLE tBOOLEAN tBROADCAST tBYTE tBYTECOUNT
225 %token tCALLAS tCALLBACK tCASE tCDECL tCHAR tCOCLASS tCODE tCOMMSTATUS
226 %token tCONST tCONTEXTHANDLE tCONTEXTHANDLENOSERIALIZE
227 %token tCONTEXTHANDLESERIALIZE tCONTROL tCPPQUOTE
228 %token tDEFAULT
229 %token tDEFAULTCOLLELEM
230 %token tDEFAULTVALUE
231 %token tDEFAULTVTABLE
232 %token tDISPLAYBIND
233 %token tDISPINTERFACE
234 %token tDLLNAME tDOUBLE tDUAL
235 %token tENDPOINT
236 %token tENTRY tENUM tERRORSTATUST
237 %token tEXPLICITHANDLE tEXTERN
238 %token tFALSE
239 %token tFASTCALL
240 %token tFLOAT
241 %token tHANDLE
242 %token tHANDLET
243 %token tHELPCONTEXT tHELPFILE
244 %token tHELPSTRING tHELPSTRINGCONTEXT tHELPSTRINGDLL
245 %token tHIDDEN
246 %token tHYPER tID tIDEMPOTENT
247 %token tIIDIS
248 %token tIMMEDIATEBIND
249 %token tIMPLICITHANDLE
250 %token tIMPORT tIMPORTLIB
251 %token tIN tIN_LINE tINLINE
252 %token tINPUTSYNC
253 %token tINT tINT64
254 %token tINTERFACE
255 %token tLCID
256 %token tLENGTHIS tLIBRARY
257 %token tLOCAL
258 %token tLONG
259 %token tMETHODS
260 %token tMODULE
261 %token tNONBROWSABLE
262 %token tNONCREATABLE
263 %token tNONEXTENSIBLE
264 %token tNULL
265 %token tOBJECT tODL tOLEAUTOMATION
266 %token tOPTIONAL
267 %token tOUT
268 %token tPASCAL
269 %token tPOINTERDEFAULT
270 %token tPROPERTIES
271 %token tPROPGET tPROPPUT tPROPPUTREF
272 %token tPTR
273 %token tPUBLIC
274 %token tRANGE
275 %token tREADONLY tREF
276 %token tREGISTER
277 %token tREQUESTEDIT
278 %token tRESTRICTED
279 %token tRETVAL
280 %token tSAFEARRAY
281 %token tSHORT
282 %token tSIGNED
283 %token tSINGLE
284 %token tSIZEIS tSIZEOF
285 %token tSMALL
286 %token tSOURCE
287 %token tSTATIC
288 %token tSTDCALL
289 %token tSTRICTCONTEXTHANDLE
290 %token tSTRING tSTRUCT
291 %token tSWITCH tSWITCHIS tSWITCHTYPE
292 %token tTRANSMITAS
293 %token tTRUE
294 %token tTYPEDEF
295 %token tUNION
296 %token tUNIQUE
297 %token tUNSIGNED
298 %token tUUID
299 %token tV1ENUM
300 %token tVARARG
301 %token tVERSION
302 %token tVOID
303 %token tWCHAR tWIREMARSHAL
304
305 %type <attr> attribute type_qualifier function_specifier
306 %type <attr_list> m_attributes attributes attrib_list m_type_qual_list
307 %type <str_list> str_list
308 %type <expr> m_expr expr expr_const expr_int_const array
309 %type <expr_list> m_exprs /* exprs expr_list */ expr_list_int_const
310 %type <ifinfo> interfacehdr
311 %type <stgclass> storage_cls_spec
312 %type <declspec> decl_spec decl_spec_no_type m_decl_spec_no_type
313 %type <type> inherit interface interfacedef interfacedec
314 %type <type> dispinterface dispinterfacehdr dispinterfacedef
315 %type <type> module modulehdr moduledef
316 %type <type> base_type int_std
317 %type <type> enumdef structdef uniondef typedecl
318 %type <type> type
319 %type <ifref> coclass_int
320 %type <ifref_list> coclass_ints
321 %type <var> arg ne_union_field union_field s_field case enum declaration
322 %type <var_list> m_args no_args args fields ne_union_fields cases enums enum_list dispint_props field
323 %type <var> m_ident t_ident ident
324 %type <declarator> declarator direct_declarator init_declarator
325 %type <declarator_list> declarator_list
326 %type <func> funcdef
327 %type <func_list> int_statements dispint_meths
328 %type <type> coclass coclasshdr coclassdef
329 %type <num> pointer_type version
330 %type <str> libraryhdr callconv cppquote importlib import
331 %type <uuid> uuid_string
332 %type <import> import_start
333 %type <typelib> library_start librarydef
334 %type <statement> statement typedef
335 %type <stmt_list> gbl_statements imp_statements
336
337 %left ','
338 %right '?' ':'
339 %left LOGICALOR
340 %left LOGICALAND
341 %left '|'
342 %left '^'
343 %left '&'
344 %left EQUALITY INEQUALITY
345 %left '<' '>' LESSEQUAL GREATEREQUAL
346 %left SHL SHR
347 %left '-' '+'
348 %left '*' '/' '%'
349 %right '!' '~' CAST PPTR POS NEG ADDRESSOF tSIZEOF
350 %left '.' MEMBERPTR '[' ']'
351
352 %%
353
354 input: gbl_statements { fix_incomplete();
355 check_all_user_types($1);
356 write_proxies($1);
357 write_client($1);
358 write_server($1);
359 write_dlldata($1);
360 }
361 ;
362
363 gbl_statements: { $$ = NULL; }
364 | gbl_statements interfacedec { $$ = $1; }
365 | gbl_statements interfacedef { $$ = append_statement($1, make_statement_type_decl($2)); }
366 | gbl_statements coclass ';' { $$ = $1;
367 reg_type($2, $2->name, 0);
368 if (!parse_only && do_header) write_coclass_forward($2);
369 }
370 | gbl_statements coclassdef { $$ = append_statement($1, make_statement_type_decl($2));
371 add_typelib_entry($2);
372 reg_type($2, $2->name, 0);
373 if (!parse_only && do_header) write_coclass_forward($2);
374 }
375 | gbl_statements moduledef { $$ = append_statement($1, make_statement_module($2));
376 add_typelib_entry($2);
377 }
378 | gbl_statements librarydef { $$ = append_statement($1, make_statement_library($2)); }
379 | gbl_statements statement { $$ = append_statement($1, $2); }
380 ;
381
382 imp_statements: { $$ = NULL; }
383 | imp_statements interfacedec { $$ = append_statement($1, make_statement_reference($2)); if (!parse_only) add_typelib_entry($2); }
384 | imp_statements interfacedef { $$ = append_statement($1, make_statement_type_decl($2)); if (!parse_only) add_typelib_entry($2); }
385 | imp_statements coclass ';' { $$ = $1; reg_type($2, $2->name, 0); if (!parse_only && do_header) write_coclass_forward($2); }
386 | imp_statements coclassdef { $$ = append_statement($1, make_statement_type_decl($2));
387 if (!parse_only) add_typelib_entry($2);
388 reg_type($2, $2->name, 0);
389 if (!parse_only && do_header) write_coclass_forward($2);
390 }
391 | imp_statements moduledef { $$ = append_statement($1, make_statement_module($2)); if (!parse_only) add_typelib_entry($2); }
392 | imp_statements statement { $$ = append_statement($1, $2); }
393 | imp_statements importlib { $$ = append_statement($1, make_statement_importlib($2)); }
394 | imp_statements librarydef { $$ = append_statement($1, make_statement_library($2)); }
395 ;
396
397 int_statements: { $$ = NULL; }
398 | int_statements statement { $$ = append_func_from_statement( $1, $2 ); }
399 ;
400
401 semicolon_opt:
402 | ';'
403 ;
404
405 statement:
406 cppquote { $$ = make_statement_cppquote($1); }
407 | typedecl ';' { $$ = make_statement_type_decl($1);
408 if (!parse_only && do_header) {
409 write_type_def_or_decl(header, $1, FALSE, NULL);
410 fprintf(header, ";\n\n");
411 }
412 }
413 | declaration ';' { $$ = make_statement_declaration($1);
414 if (!parse_only && do_header) write_declaration($1, is_in_interface);
415 }
416 | import { $$ = make_statement_import($1); }
417 | typedef ';' { $$ = $1; }
418 ;
419
420 typedecl:
421 enumdef
422 | structdef
423 | uniondef
424 | attributes enumdef { $$ = $2; $$->attrs = check_enum_attrs($1); }
425 | attributes structdef { $$ = $2; $$->attrs = check_struct_attrs($1); }
426 | attributes uniondef { $$ = $2; $$->attrs = check_union_attrs($1); }
427 ;
428
429 cppquote: tCPPQUOTE '(' aSTRING ')' { $$ = $3; if (!parse_only && do_header) fprintf(header, "%s\n", $3); }
430 ;
431 import_start: tIMPORT aSTRING ';' { assert(yychar == YYEMPTY);
432 $$ = xmalloc(sizeof(struct _import_t));
433 $$->name = $2;
434 $$->import_performed = do_import($2);
435 if (!$$->import_performed) yychar = aEOF;
436 }
437 ;
438
439 import: import_start imp_statements aEOF { $$ = $1->name;
440 if ($1->import_performed) pop_import();
441 free($1);
442 if (!parse_only && do_header) write_import($$);
443 }
444 ;
445
446 importlib: tIMPORTLIB '(' aSTRING ')'
447 semicolon_opt { $$ = $3; if(!parse_only) add_importlib($3); }
448 ;
449
450 libraryhdr: tLIBRARY aIDENTIFIER { $$ = $2; }
451 ;
452 library_start: attributes libraryhdr '{' { $$ = make_library($2, check_library_attrs($2, $1));
453 if (!parse_only) start_typelib($$);
454 if (!parse_only && do_header) write_library($$);
455 if (!parse_only && do_idfile) write_libid($$);
456 is_inside_library = TRUE;
457 }
458 ;
459 librarydef: library_start imp_statements '}'
460 semicolon_opt { $$ = $1;
461 $$->stmts = $2;
462 if (!parse_only) end_typelib();
463 is_inside_library = FALSE;
464 }
465 ;
466
467 m_args: { $$ = NULL; }
468 | args
469 ;
470
471 no_args: tVOID { $$ = NULL; }
472 ;
473
474 args: arg { check_arg($1); $$ = append_var( NULL, $1 ); }
475 | args ',' arg { check_arg($3); $$ = append_var( $1, $3); }
476 | no_args
477 ;
478
479 /* split into two rules to get bison to resolve a tVOID conflict */
480 arg: attributes decl_spec declarator { $$ = $3->var;
481 $$->attrs = $1;
482 if ($2->stgclass != STG_NONE && $2->stgclass != STG_REGISTER)
483 error_loc("invalid storage class for function parameter\n");
484 set_type($$, $2, $3, TRUE);
485 free($3);
486 }
487 | decl_spec declarator { $$ = $2->var;
488 if ($1->stgclass != STG_NONE && $1->stgclass != STG_REGISTER)
489 error_loc("invalid storage class for function parameter\n");
490 set_type($$, $1, $2, TRUE);
491 free($2);
492 }
493 ;
494
495 array: '[' m_expr ']' { $$ = $2; }
496 | '[' '*' ']' { $$ = make_expr(EXPR_VOID); }
497 ;
498
499 m_attributes: { $$ = NULL; }
500 | attributes
501 ;
502
503 attributes:
504 '[' attrib_list ']' { $$ = $2; }
505 ;
506
507 attrib_list: attribute { $$ = append_attr( NULL, $1 ); }
508 | attrib_list ',' attribute { $$ = append_attr( $1, $3 ); }
509 | attrib_list ']' '[' attribute { $$ = append_attr( $1, $4 ); }
510 ;
511
512 str_list: aSTRING { $$ = append_str( NULL, $1 ); }
513 | str_list ',' aSTRING { $$ = append_str( $1, $3 ); }
514 ;
515
516 attribute: { $$ = NULL; }
517 | tAGGREGATABLE { $$ = make_attr(ATTR_AGGREGATABLE); }
518 | tAPPOBJECT { $$ = make_attr(ATTR_APPOBJECT); }
519 | tASYNC { $$ = make_attr(ATTR_ASYNC); }
520 | tAUTOHANDLE { $$ = make_attr(ATTR_AUTO_HANDLE); }
521 | tBINDABLE { $$ = make_attr(ATTR_BINDABLE); }
522 | tBROADCAST { $$ = make_attr(ATTR_BROADCAST); }
523 | tCALLAS '(' ident ')' { $$ = make_attrp(ATTR_CALLAS, $3); }
524 | tCASE '(' expr_list_int_const ')' { $$ = make_attrp(ATTR_CASE, $3); }
525 | tCONTEXTHANDLE { $$ = make_attrv(ATTR_CONTEXTHANDLE, 0); }
526 | tCONTEXTHANDLENOSERIALIZE { $$ = make_attrv(ATTR_CONTEXTHANDLE, 0); /* RPC_CONTEXT_HANDLE_DONT_SERIALIZE */ }
527 | tCONTEXTHANDLESERIALIZE { $$ = make_attrv(ATTR_CONTEXTHANDLE, 0); /* RPC_CONTEXT_HANDLE_SERIALIZE */ }
528 | tCONTROL { $$ = make_attr(ATTR_CONTROL); }
529 | tDEFAULT { $$ = make_attr(ATTR_DEFAULT); }
530 | tDEFAULTCOLLELEM { $$ = make_attr(ATTR_DEFAULTCOLLELEM); }
531 | tDEFAULTVALUE '(' expr_const ')' { $$ = make_attrp(ATTR_DEFAULTVALUE, $3); }
532 | tDEFAULTVTABLE { $$ = make_attr(ATTR_DEFAULTVTABLE); }
533 | tDISPLAYBIND { $$ = make_attr(ATTR_DISPLAYBIND); }
534 | tDLLNAME '(' aSTRING ')' { $$ = make_attrp(ATTR_DLLNAME, $3); }
535 | tDUAL { $$ = make_attr(ATTR_DUAL); }
536 | tENDPOINT '(' str_list ')' { $$ = make_attrp(ATTR_ENDPOINT, $3); }
537 | tENTRY '(' expr_const ')' { $$ = make_attrp(ATTR_ENTRY, $3); }
538 | tEXPLICITHANDLE { $$ = make_attr(ATTR_EXPLICIT_HANDLE); }
539 | tHANDLE { $$ = make_attr(ATTR_HANDLE); }
540 | tHELPCONTEXT '(' expr_int_const ')' { $$ = make_attrp(ATTR_HELPCONTEXT, $3); }
541 | tHELPFILE '(' aSTRING ')' { $$ = make_attrp(ATTR_HELPFILE, $3); }
542 | tHELPSTRING '(' aSTRING ')' { $$ = make_attrp(ATTR_HELPSTRING, $3); }
543 | tHELPSTRINGCONTEXT '(' expr_int_const ')' { $$ = make_attrp(ATTR_HELPSTRINGCONTEXT, $3); }
544 | tHELPSTRINGDLL '(' aSTRING ')' { $$ = make_attrp(ATTR_HELPSTRINGDLL, $3); }
545 | tHIDDEN { $$ = make_attr(ATTR_HIDDEN); }
546 | tID '(' expr_int_const ')' { $$ = make_attrp(ATTR_ID, $3); }
547 | tIDEMPOTENT { $$ = make_attr(ATTR_IDEMPOTENT); }
548 | tIIDIS '(' expr ')' { $$ = make_attrp(ATTR_IIDIS, $3); }
549 | tIMMEDIATEBIND { $$ = make_attr(ATTR_IMMEDIATEBIND); }
550 | tIMPLICITHANDLE '(' tHANDLET aIDENTIFIER ')' { $$ = make_attrp(ATTR_IMPLICIT_HANDLE, $4); }
551 | tIN { $$ = make_attr(ATTR_IN); }
552 | tINPUTSYNC { $$ = make_attr(ATTR_INPUTSYNC); }
553 | tLENGTHIS '(' m_exprs ')' { $$ = make_attrp(ATTR_LENGTHIS, $3); }
554 | tLCID '(' expr_int_const ')' { $$ = make_attrp(ATTR_LIBLCID, $3); }
555 | tLOCAL { $$ = make_attr(ATTR_LOCAL); }
556 | tNONBROWSABLE { $$ = make_attr(ATTR_NONBROWSABLE); }
557 | tNONCREATABLE { $$ = make_attr(ATTR_NONCREATABLE); }
558 | tNONEXTENSIBLE { $$ = make_attr(ATTR_NONEXTENSIBLE); }
559 | tOBJECT { $$ = make_attr(ATTR_OBJECT); }
560 | tODL { $$ = make_attr(ATTR_ODL); }
561 | tOLEAUTOMATION { $$ = make_attr(ATTR_OLEAUTOMATION); }
562 | tOPTIONAL { $$ = make_attr(ATTR_OPTIONAL); }
563 | tOUT { $$ = make_attr(ATTR_OUT); }
564 | tPOINTERDEFAULT '(' pointer_type ')' { $$ = make_attrv(ATTR_POINTERDEFAULT, $3); }
565 | tPROPGET { $$ = make_attr(ATTR_PROPGET); }
566 | tPROPPUT { $$ = make_attr(ATTR_PROPPUT); }
567 | tPROPPUTREF { $$ = make_attr(ATTR_PROPPUTREF); }
568 | tPUBLIC { $$ = make_attr(ATTR_PUBLIC); }
569 | tRANGE '(' expr_int_const ',' expr_int_const ')'
570 { expr_list_t *list = append_expr( NULL, $3 );
571 list = append_expr( list, $5 );
572 $$ = make_attrp(ATTR_RANGE, list); }
573 | tREADONLY { $$ = make_attr(ATTR_READONLY); }
574 | tREQUESTEDIT { $$ = make_attr(ATTR_REQUESTEDIT); }
575 | tRESTRICTED { $$ = make_attr(ATTR_RESTRICTED); }
576 | tRETVAL { $$ = make_attr(ATTR_RETVAL); }
577 | tSIZEIS '(' m_exprs ')' { $$ = make_attrp(ATTR_SIZEIS, $3); }
578 | tSOURCE { $$ = make_attr(ATTR_SOURCE); }
579 | tSTRICTCONTEXTHANDLE { $$ = make_attr(ATTR_STRICTCONTEXTHANDLE); }
580 | tSTRING { $$ = make_attr(ATTR_STRING); }
581 | tSWITCHIS '(' expr ')' { $$ = make_attrp(ATTR_SWITCHIS, $3); }
582 | tSWITCHTYPE '(' type ')' { $$ = make_attrp(ATTR_SWITCHTYPE, $3); }
583 | tTRANSMITAS '(' type ')' { $$ = make_attrp(ATTR_TRANSMITAS, $3); }
584 | tUUID '(' uuid_string ')' { $$ = make_attrp(ATTR_UUID, $3); }
585 | tV1ENUM { $$ = make_attr(ATTR_V1ENUM); }
586 | tVARARG { $$ = make_attr(ATTR_VARARG); }
587 | tVERSION '(' version ')' { $$ = make_attrv(ATTR_VERSION, $3); }
588 | tWIREMARSHAL '(' type ')' { $$ = make_attrp(ATTR_WIREMARSHAL, $3); }
589 | pointer_type { $$ = make_attrv(ATTR_POINTERTYPE, $1); }
590 ;
591
592 uuid_string:
593 aUUID
594 | aSTRING { if (!is_valid_uuid($1))
595 error_loc("invalid UUID: %s\n", $1);
596 $$ = parse_uuid($1); }
597 ;
598
599 callconv: tCDECL { $$ = $<str>1; }
600 | tFASTCALL { $$ = $<str>1; }
601 | tPASCAL { $$ = $<str>1; }
602 | tSTDCALL { $$ = $<str>1; }
603 ;
604
605 cases: { $$ = NULL; }
606 | cases case { $$ = append_var( $1, $2 ); }
607 ;
608
609 case: tCASE expr_int_const ':' union_field { attr_t *a = make_attrp(ATTR_CASE, append_expr( NULL, $2 ));
610 $$ = $4; if (!$$) $$ = make_var(NULL);
611 $$->attrs = append_attr( $$->attrs, a );
612 }
613 | tDEFAULT ':' union_field { attr_t *a = make_attr(ATTR_DEFAULT);
614 $$ = $3; if (!$$) $$ = make_var(NULL);
615 $$->attrs = append_attr( $$->attrs, a );
616 }
617 ;
618
619 enums: { $$ = NULL; }
620 | enum_list ',' { $$ = $1; }
621 | enum_list
622 ;
623
624 enum_list: enum { if (!$1->eval)
625 $1->eval = make_exprl(EXPR_NUM, 0 /* default for first enum entry */);
626 $$ = append_var( NULL, $1 );
627 }
628 | enum_list ',' enum { if (!$3->eval)
629 {
630 var_t *last = LIST_ENTRY( list_tail($$), var_t, entry );
631 $3->eval = make_exprl(EXPR_NUM, last->eval->cval + 1);
632 }
633 $$ = append_var( $1, $3 );
634 }
635 ;
636
637 enum: ident '=' expr_int_const { $$ = reg_const($1);
638 $$->eval = $3;
639 $$->type = make_int(0);
640 }
641 | ident { $$ = reg_const($1);
642 $$->type = make_int(0);
643 }
644 ;
645
646 enumdef: tENUM t_ident '{' enums '}' { $$ = get_typev(RPC_FC_ENUM16, $2, tsENUM);
647 $$->kind = TKIND_ENUM;
648 $$->fields_or_args = $4;
649 $$->defined = TRUE;
650 if(in_typelib)
651 add_typelib_entry($$);
652 }
653 ;
654
655 m_exprs: m_expr { $$ = append_expr( NULL, $1 ); }
656 | m_exprs ',' m_expr { $$ = append_expr( $1, $3 ); }
657 ;
658
659 /*
660 exprs: { $$ = make_expr(EXPR_VOID); }
661 | expr_list
662 ;
663
664 expr_list: expr
665 | expr_list ',' expr { LINK($3, $1); $$ = $3; }
666 ;
667 */
668
669 m_expr: { $$ = make_expr(EXPR_VOID); }
670 | expr
671 ;
672
673 expr: aNUM { $$ = make_exprl(EXPR_NUM, $1); }
674 | aHEXNUM { $$ = make_exprl(EXPR_HEXNUM, $1); }
675 | aDOUBLE { $$ = make_exprd(EXPR_DOUBLE, $1); }
676 | tFALSE { $$ = make_exprl(EXPR_TRUEFALSE, 0); }
677 | tNULL { $$ = make_exprl(EXPR_NUM, 0); }
678 | tTRUE { $$ = make_exprl(EXPR_TRUEFALSE, 1); }
679 | aSTRING { $$ = make_exprs(EXPR_STRLIT, $1); }
680 | aWSTRING { $$ = make_exprs(EXPR_WSTRLIT, $1); }
681 | aIDENTIFIER { $$ = make_exprs(EXPR_IDENTIFIER, $1); }
682 | expr '?' expr ':' expr { $$ = make_expr3(EXPR_COND, $1, $3, $5); }
683 | expr LOGICALOR expr { $$ = make_expr2(EXPR_LOGOR, $1, $3); }
684 | expr LOGICALAND expr { $$ = make_expr2(EXPR_LOGAND, $1, $3); }
685 | expr '|' expr { $$ = make_expr2(EXPR_OR , $1, $3); }
686 | expr '^' expr { $$ = make_expr2(EXPR_XOR, $1, $3); }
687 | expr '&' expr { $$ = make_expr2(EXPR_AND, $1, $3); }
688 | expr EQUALITY expr { $$ = make_expr2(EXPR_EQUALITY, $1, $3); }
689 | expr INEQUALITY expr { $$ = make_expr2(EXPR_INEQUALITY, $1, $3); }
690 | expr '>' expr { $$ = make_expr2(EXPR_GTR, $1, $3); }
691 | expr '<' expr { $$ = make_expr2(EXPR_LESS, $1, $3); }
692 | expr GREATEREQUAL expr { $$ = make_expr2(EXPR_GTREQL, $1, $3); }
693 | expr LESSEQUAL expr { $$ = make_expr2(EXPR_LESSEQL, $1, $3); }
694 | expr SHL expr { $$ = make_expr2(EXPR_SHL, $1, $3); }
695 | expr SHR expr { $$ = make_expr2(EXPR_SHR, $1, $3); }
696 | expr '+' expr { $$ = make_expr2(EXPR_ADD, $1, $3); }
697 | expr '-' expr { $$ = make_expr2(EXPR_SUB, $1, $3); }
698 | expr '%' expr { $$ = make_expr2(EXPR_MOD, $1, $3); }
699 | expr '*' expr { $$ = make_expr2(EXPR_MUL, $1, $3); }
700 | expr '/' expr { $$ = make_expr2(EXPR_DIV, $1, $3); }
701 | '!' expr { $$ = make_expr1(EXPR_LOGNOT, $2); }
702 | '~' expr { $$ = make_expr1(EXPR_NOT, $2); }
703 | '+' expr %prec POS { $$ = make_expr1(EXPR_POS, $2); }
704 | '-' expr %prec NEG { $$ = make_expr1(EXPR_NEG, $2); }
705 | '&' expr %prec ADDRESSOF { $$ = make_expr1(EXPR_ADDRESSOF, $2); }
706 | '*' expr %prec PPTR { $$ = make_expr1(EXPR_PPTR, $2); }
707 | expr MEMBERPTR aIDENTIFIER { $$ = make_expr2(EXPR_MEMBER, make_expr1(EXPR_PPTR, $1), make_exprs(EXPR_IDENTIFIER, $3)); }
708 | expr '.' aIDENTIFIER { $$ = make_expr2(EXPR_MEMBER, $1, make_exprs(EXPR_IDENTIFIER, $3)); }
709 | '(' type ')' expr %prec CAST { $$ = make_exprt(EXPR_CAST, $2, $4); }
710 | tSIZEOF '(' type ')' { $$ = make_exprt(EXPR_SIZEOF, $3, NULL); }
711 | expr '[' expr ']' { $$ = make_expr2(EXPR_ARRAY, $1, $3); }
712 | '(' expr ')' { $$ = $2; }
713 ;
714
715 expr_list_int_const: expr_int_const { $$ = append_expr( NULL, $1 ); }
716 | expr_list_int_const ',' expr_int_const { $$ = append_expr( $1, $3 ); }
717 ;
718
719 expr_int_const: expr { $$ = $1;
720 if (!$$->is_const)
721 error_loc("expression is not an integer constant\n");
722 }
723 ;
724
725 expr_const: expr { $$ = $1;
726 if (!$$->is_const && $$->type != EXPR_STRLIT && $$->type != EXPR_WSTRLIT)
727 error_loc("expression is not constant\n");
728 }
729 ;
730
731 fields: { $$ = NULL; }
732 | fields field { $$ = append_var_list($1, $2); }
733 ;
734
735 field: m_attributes decl_spec declarator_list ';'
736 { const char *first = LIST_ENTRY(list_head($3), declarator_t, entry)->var->name;
737 check_field_attrs(first, $1);
738 $$ = set_var_types($1, $2, $3);
739 }
740 | m_attributes uniondef ';' { var_t *v = make_var(NULL);
741 v->type = $2; v->attrs = $1;
742 $$ = append_var(NULL, v);
743 }
744 ;
745
746 ne_union_field:
747 s_field ';' { $$ = $1; }
748 | attributes ';' { $$ = make_var(NULL); $$->attrs = $1; }
749 ;
750
751 ne_union_fields: { $$ = NULL; }
752 | ne_union_fields ne_union_field { $$ = append_var( $1, $2 ); }
753 ;
754
755 union_field:
756 s_field ';' { $$ = $1; }
757 | ';' { $$ = NULL; }
758 ;
759
760 s_field: m_attributes decl_spec declarator { $$ = $3->var;
761 $$->attrs = check_field_attrs($$->name, $1);
762 set_type($$, $2, $3, FALSE);
763 free($3);
764 }
765 ;
766
767 funcdef:
768 m_attributes decl_spec declarator { var_t *v = $3->var;
769 v->attrs = check_function_attrs(v->name, $1);
770 set_type(v, $2, $3, FALSE);
771 free($3);
772 $$ = make_func(v);
773 }
774 ;
775
776 declaration:
777 attributes decl_spec init_declarator
778 { $$ = $3->var;
779 $$->attrs = $1;
780 set_type($$, $2, $3, FALSE);
781 free($3);
782 }
783 | decl_spec init_declarator { $$ = $2->var;
784 set_type($$, $1, $2, FALSE);
785 free($2);
786 }
787 ;
788
789 m_ident: { $$ = NULL; }
790 | ident
791 ;
792
793 t_ident: { $$ = NULL; }
794 | aIDENTIFIER { $$ = make_var($1); }
795 | aKNOWNTYPE { $$ = make_var($1); }
796 ;
797
798 ident: aIDENTIFIER { $$ = make_var($1); }
799 /* some "reserved words" used in attributes are also used as field names in some MS IDL files */
800 | aKNOWNTYPE { $$ = make_var($<str>1); }
801 ;
802
803 base_type: tBYTE { $$ = make_builtin($<str>1); }
804 | tWCHAR { $$ = make_builtin($<str>1); }
805 | int_std
806 | tSIGNED int_std { $$ = $2; $$->sign = 1; }
807 | tUNSIGNED int_std { $$ = $2; $$->sign = -1;
808 switch ($$->type) {
809 case RPC_FC_CHAR: break;
810 case RPC_FC_SMALL: $$->type = RPC_FC_USMALL; break;
811 case RPC_FC_SHORT: $$->type = RPC_FC_USHORT; break;
812 case RPC_FC_LONG: $$->type = RPC_FC_ULONG; break;
813 case RPC_FC_HYPER:
814 if ($$->name[0] == 'h') /* hyper, as opposed to __int64 */
815 {
816 $$ = alias($$, "MIDL_uhyper");
817 $$->sign = 0;
818 }
819 break;
820 default: break;
821 }
822 }
823 | tUNSIGNED { $$ = make_int(-1); }
824 | tFLOAT { $$ = make_builtin($<str>1); }
825 | tSINGLE { $$ = find_type("float", 0); }
826 | tDOUBLE { $$ = make_builtin($<str>1); }
827 | tBOOLEAN { $$ = make_builtin($<str>1); }
828 | tERRORSTATUST { $$ = make_builtin($<str>1); }
829 | tHANDLET { $$ = make_builtin($<str>1); }
830 ;
831
832 m_int:
833 | tINT
834 ;
835
836 int_std: tINT { $$ = make_builtin($<str>1); }
837 | tSHORT m_int { $$ = make_builtin($<str>1); }
838 | tSMALL { $$ = make_builtin($<str>1); }
839 | tLONG m_int { $$ = make_builtin($<str>1); }
840 | tHYPER m_int { $$ = make_builtin($<str>1); }
841 | tINT64 { $$ = make_builtin($<str>1); }
842 | tCHAR { $$ = make_builtin($<str>1); }
843 ;
844
845 coclass: tCOCLASS aIDENTIFIER { $$ = make_class($2); }
846 | tCOCLASS aKNOWNTYPE { $$ = find_type($2, 0);
847 if ($$->kind != TKIND_COCLASS)
848 error_loc("%s was not declared a coclass at %s:%d\n",
849 $2, $$->loc_info.input_name,
850 $$->loc_info.line_number);
851 }
852 ;
853
854 coclasshdr: attributes coclass { $$ = $2;
855 check_def($$);
856 $$->attrs = check_coclass_attrs($2->name, $1);
857 if (!parse_only && do_header)
858 write_coclass($$);
859 if (!parse_only && do_idfile)
860 write_clsid($$);
861 }
862 ;
863
864 coclassdef: coclasshdr '{' coclass_ints '}' semicolon_opt
865 { $$ = $1;
866 $$->ifaces = $3;
867 $$->defined = TRUE;
868 }
869 ;
870
871 coclass_ints: { $$ = NULL; }
872 | coclass_ints coclass_int { $$ = append_ifref( $1, $2 ); }
873 ;
874
875 coclass_int:
876 m_attributes interfacedec { $$ = make_ifref($2); $$->attrs = $1; }
877 ;
878
879 dispinterface: tDISPINTERFACE aIDENTIFIER { $$ = get_type(RPC_FC_IP, $2, 0); $$->kind = TKIND_DISPATCH; }
880 | tDISPINTERFACE aKNOWNTYPE { $$ = get_type(RPC_FC_IP, $2, 0); $$->kind = TKIND_DISPATCH; }
881 ;
882
883 dispinterfacehdr: attributes dispinterface { attr_t *attrs;
884 is_in_interface = TRUE;
885 is_object_interface = TRUE;
886 $$ = $2;
887 check_def($$);
888 attrs = make_attr(ATTR_DISPINTERFACE);
889 $$->attrs = append_attr( check_dispiface_attrs($2->name, $1), attrs );
890 $$->ref = find_type("IDispatch", 0);
891 if (!$$->ref) error_loc("IDispatch is undefined\n");
892 $$->defined = TRUE;
893 if (!parse_only && do_header) write_forward($$);
894 }
895 ;
896
897 dispint_props: tPROPERTIES ':' { $$ = NULL; }
898 | dispint_props s_field ';' { $$ = append_var( $1, $2 ); }
899 ;
900
901 dispint_meths: tMETHODS ':' { $$ = NULL; }
902 | dispint_meths funcdef ';' { $$ = append_func( $1, $2 ); }
903 ;
904
905 dispinterfacedef: dispinterfacehdr '{'
906 dispint_props
907 dispint_meths
908 '}' { $$ = $1;
909 $$->fields_or_args = $3;
910 $$->funcs = $4;
911 if (!parse_only && do_header) write_interface($$);
912 if (!parse_only && do_idfile) write_diid($$);
913 is_in_interface = FALSE;
914 }
915 | dispinterfacehdr
916 '{' interface ';' '}' { $$ = $1;
917 $$->fields_or_args = $3->fields_or_args;
918 $$->funcs = $3->funcs;
919 if (!parse_only && do_header) write_interface($$);
920 if (!parse_only && do_idfile) write_diid($$);
921 is_in_interface = FALSE;
922 }
923 ;
924
925 inherit: { $$ = NULL; }
926 | ':' aKNOWNTYPE { $$ = find_type_or_error2($2, 0); }
927 ;
928
929 interface: tINTERFACE aIDENTIFIER { $$ = get_type(RPC_FC_IP, $2, 0); $$->kind = TKIND_INTERFACE; }
930 | tINTERFACE aKNOWNTYPE { $$ = get_type(RPC_FC_IP, $2, 0); $$->kind = TKIND_INTERFACE; }
931 ;
932
933 interfacehdr: attributes interface { $$.interface = $2;
934 $$.old_pointer_default = pointer_default;
935 if (is_attr($1, ATTR_POINTERDEFAULT))
936 pointer_default = get_attrv($1, ATTR_POINTERDEFAULT);
937 is_object_interface = is_object($1);
938 is_in_interface = TRUE;
939 check_def($2);
940 $2->attrs = check_iface_attrs($2->name, $1);
941 $2->defined = TRUE;
942 if (!parse_only && do_header) write_forward($2);
943 }
944 ;
945
946 interfacedef: interfacehdr inherit
947 '{' int_statements '}' semicolon_opt { $$ = $1.interface;
948 $$->ref = $2;
949 $$->funcs = $4;
950 check_functions($$);
951 compute_method_indexes($$);
952 if (!parse_only && do_header) write_interface($$);
953 if (!parse_only && local_stubs) write_locals(local_stubs, $$, TRUE);
954 if (!parse_only && do_idfile) write_iid($$);
955 pointer_default = $1.old_pointer_default;
956 is_in_interface = FALSE;
957 }
958 /* MIDL is able to import the definition of a base class from inside the
959 * definition of a derived class, I'll try to support it with this rule */
960 | interfacehdr ':' aIDENTIFIER
961 '{' import int_statements '}'
962 semicolon_opt { $$ = $1.interface;
963 $$->ref = find_type_or_error2($3, 0);
964 if (!$$->ref) error_loc("base class '%s' not found in import\n", $3);
965 $$->funcs = $6;
966 compute_method_indexes($$);
967 if (!parse_only && do_header) write_interface($$);
968 if (!parse_only && local_stubs) write_locals(local_stubs, $$, TRUE);
969 if (!parse_only && do_idfile) write_iid($$);
970 pointer_default = $1.old_pointer_default;
971 is_in_interface = FALSE;
972 }
973 | dispinterfacedef semicolon_opt { $$ = $1; }
974 ;
975
976 interfacedec:
977 interface ';' { $$ = $1; if (!parse_only && do_header) write_forward($$); }
978 | dispinterface ';' { $$ = $1; if (!parse_only && do_header) write_forward($$); }
979 ;
980
981 module: tMODULE aIDENTIFIER { $$ = make_type(0, NULL); $$->name = $2; $$->kind = TKIND_MODULE; }
982 | tMODULE aKNOWNTYPE { $$ = make_type(0, NULL); $$->name = $2; $$->kind = TKIND_MODULE; }
983 ;
984
985 modulehdr: attributes module { $$ = $2;
986 $$->attrs = check_module_attrs($2->name, $1);
987 }
988 ;
989
990 moduledef: modulehdr '{' int_statements '}'
991 semicolon_opt { $$ = $1;
992 $$->funcs = $3;
993 /* FIXME: if (!parse_only && do_header) write_module($$); */
994 }
995 ;
996
997 storage_cls_spec:
998 tEXTERN { $$ = STG_EXTERN; }
999 | tSTATIC { $$ = STG_STATIC; }
1000 | tREGISTER { $$ = STG_REGISTER; }
1001 ;
1002
1003 function_specifier:
1004 tINLINE { $$ = make_attr(ATTR_INLINE); }
1005 ;
1006
1007 type_qualifier:
1008 tCONST { $$ = make_attr(ATTR_CONST); }
1009 ;
1010
1011 m_type_qual_list: { $$ = NULL; }
1012 | m_type_qual_list type_qualifier { $$ = append_attr($1, $2); }
1013 ;
1014
1015 decl_spec: type m_decl_spec_no_type { $$ = make_decl_spec($1, $2, NULL, NULL, STG_NONE); }
1016 | decl_spec_no_type type m_decl_spec_no_type
1017 { $$ = make_decl_spec($2, $1, $3, NULL, STG_NONE); }
1018 ;
1019
1020 m_decl_spec_no_type: { $$ = NULL; }
1021 | decl_spec_no_type
1022 ;
1023
1024 decl_spec_no_type:
1025 type_qualifier m_decl_spec_no_type { $$ = make_decl_spec(NULL, $2, NULL, $1, STG_NONE); }
1026 | function_specifier m_decl_spec_no_type { $$ = make_decl_spec(NULL, $2, NULL, $1, STG_NONE); }
1027 | storage_cls_spec m_decl_spec_no_type { $$ = make_decl_spec(NULL, $2, NULL, NULL, $1); }
1028 ;
1029
1030 declarator:
1031 '*' m_type_qual_list declarator %prec PPTR
1032 { $$ = $3; $$->type = append_ptrchain_type($$->type, make_pointer_type(NULL, $2)); }
1033 | callconv declarator { $$ = $2; $$->type->attrs = append_attr($$->type->attrs, make_attrp(ATTR_CALLCONV, $1)); }
1034 | direct_declarator
1035 ;
1036
1037 direct_declarator:
1038 ident { $$ = make_declarator($1); }
1039 | '(' declarator ')' { $$ = $2; }
1040 | direct_declarator array { $$ = $1; $$->array = append_array($$->array, $2); }
1041 | direct_declarator '(' m_args ')' { $$ = $1;
1042 $$->func_type = append_ptrchain_type($$->type, make_func_type($3));
1043 $$->type = NULL;
1044 }
1045 ;
1046
1047 declarator_list:
1048 declarator { $$ = append_declarator( NULL, $1 ); }
1049 | declarator_list ',' declarator { $$ = append_declarator( $1, $3 ); }
1050 ;
1051
1052 init_declarator:
1053 declarator { $$ = $1; }
1054 | declarator '=' expr_const { $$ = $1; $1->var->eval = $3; }
1055 ;
1056
1057 pointer_type:
1058 tREF { $$ = RPC_FC_RP; }
1059 | tUNIQUE { $$ = RPC_FC_UP; }
1060 | tPTR { $$ = RPC_FC_FP; }
1061 ;
1062
1063 structdef: tSTRUCT t_ident '{' fields '}' { $$ = get_typev(RPC_FC_STRUCT, $2, tsSTRUCT);
1064 /* overwrite RPC_FC_STRUCT with a more exact type */
1065 check_def($$);
1066 $$->type = get_struct_type( $4 );
1067 $$->kind = TKIND_RECORD;
1068 $$->fields_or_args = $4;
1069 $$->defined = TRUE;
1070 if(in_typelib)
1071 add_typelib_entry($$);
1072 }
1073 ;
1074
1075 type: tVOID { $$ = find_type_or_error("void", 0); }
1076 | aKNOWNTYPE { $$ = find_type_or_error($1, 0); }
1077 | base_type { $$ = $1; }
1078 | enumdef { $$ = $1; }
1079 | tENUM aIDENTIFIER { $$ = find_type_or_error2($2, tsENUM); }
1080 | structdef { $$ = $1; }
1081 | tSTRUCT aIDENTIFIER { $$ = get_type(RPC_FC_STRUCT, $2, tsSTRUCT); }
1082 | uniondef { $$ = $1; }
1083 | tUNION aIDENTIFIER { $$ = find_type_or_error2($2, tsUNION); }
1084 | tSAFEARRAY '(' type ')' { $$ = make_safearray($3); }
1085 ;
1086
1087 typedef: tTYPEDEF m_attributes decl_spec declarator_list
1088 { reg_typedefs($3, $4, check_typedef_attrs($2));
1089 $$ = process_typedefs($4);
1090 }
1091 ;
1092
1093 uniondef: tUNION t_ident '{' ne_union_fields '}'
1094 { $$ = get_typev(RPC_FC_NON_ENCAPSULATED_UNION, $2, tsUNION);
1095 check_def($$);
1096 $$->kind = TKIND_UNION;
1097 $$->fields_or_args = $4;
1098 $$->defined = TRUE;
1099 }
1100 | tUNION t_ident
1101 tSWITCH '(' s_field ')'
1102 m_ident '{' cases '}' { var_t *u = $7;
1103 $$ = get_typev(RPC_FC_ENCAPSULATED_UNION, $2, tsUNION);
1104 check_def($$);
1105 $$->kind = TKIND_UNION;
1106 if (!u) u = make_var( xstrdup("tagged_union") );
1107 u->type = make_type(RPC_FC_NON_ENCAPSULATED_UNION, NULL);
1108 u->type->kind = TKIND_UNION;
1109 u->type->fields_or_args = $9;
1110 u->type->defined = TRUE;
1111 $$->fields_or_args = append_var( $$->fields_or_args, $5 );
1112 $$->fields_or_args = append_var( $$->fields_or_args, u );
1113 $$->defined = TRUE;
1114 }
1115 ;
1116
1117 version:
1118 aNUM { $$ = MAKEVERSION($1, 0); }
1119 | aNUM '.' aNUM { $$ = MAKEVERSION($1, $3); }
1120 ;
1121
1122 %%
1123
1124 static void decl_builtin(const char *name, unsigned char type)
1125 {
1126 type_t *t = make_type(type, NULL);
1127 t->name = xstrdup(name);
1128 reg_type(t, name, 0);
1129 }
1130
1131 static type_t *make_builtin(char *name)
1132 {
1133 /* NAME is strdup'd in the lexer */
1134 type_t *t = duptype(find_type_or_error(name, 0), 0);
1135 t->name = name;
1136 return t;
1137 }
1138
1139 static type_t *make_int(int sign)
1140 {
1141 type_t *t = duptype(find_type_or_error("int", 0), 1);
1142
1143 t->sign = sign;
1144 if (sign < 0)
1145 t->type = t->type == RPC_FC_LONG ? RPC_FC_ULONG : RPC_FC_USHORT;
1146
1147 return t;
1148 }
1149
1150 void init_types(void)
1151 {
1152 decl_builtin("void", 0);
1153 decl_builtin("byte", RPC_FC_BYTE);
1154 decl_builtin("wchar_t", RPC_FC_WCHAR);
1155 decl_builtin("int", RPC_FC_LONG); /* win32 */
1156 decl_builtin("short", RPC_FC_SHORT);
1157 decl_builtin("small", RPC_FC_SMALL);
1158 decl_builtin("long", RPC_FC_LONG);
1159 decl_builtin("hyper", RPC_FC_HYPER);
1160 decl_builtin("__int64", RPC_FC_HYPER);
1161 decl_builtin("char", RPC_FC_CHAR);
1162 decl_builtin("float", RPC_FC_FLOAT);
1163 decl_builtin("double", RPC_FC_DOUBLE);
1164 decl_builtin("boolean", RPC_FC_BYTE);
1165 decl_builtin("error_status_t", RPC_FC_ERROR_STATUS_T);
1166 decl_builtin("handle_t", RPC_FC_BIND_PRIMITIVE);
1167 }
1168
1169 static str_list_t *append_str(str_list_t *list, char *str)
1170 {
1171 struct str_list_entry_t *entry;
1172
1173 if (!str) return list;
1174 if (!list)
1175 {
1176 list = xmalloc( sizeof(*list) );
1177 list_init( list );
1178 }
1179 entry = xmalloc( sizeof(*entry) );
1180 entry->str = str;
1181 list_add_tail( list, &entry->entry );
1182 return list;
1183 }
1184
1185 static attr_list_t *append_attr(attr_list_t *list, attr_t *attr)
1186 {
1187 attr_t *attr_existing;
1188 if (!attr) return list;
1189 if (!list)
1190 {
1191 list = xmalloc( sizeof(*list) );
1192 list_init( list );
1193 }
1194 LIST_FOR_EACH_ENTRY(attr_existing, list, attr_t, entry)
1195 if (attr_existing->type == attr->type)
1196 {
1197 parser_warning("duplicate attribute %s\n", get_attr_display_name(attr->type));
1198 /* use the last attribute, like MIDL does */
1199 list_remove(&attr_existing->entry);
1200 break;
1201 }
1202 list_add_tail( list, &attr->entry );
1203 return list;
1204 }
1205
1206 static attr_list_t *move_attr(attr_list_t *dst, attr_list_t *src, enum attr_type type)
1207 {
1208 attr_t *attr;
1209 if (!src) return dst;
1210 LIST_FOR_EACH_ENTRY(attr, src, attr_t, entry)
1211 if (attr->type == type)
1212 {
1213 list_remove(&attr->entry);
1214 return append_attr(dst, attr);
1215 }
1216 return dst;
1217 }
1218
1219 static attr_list_t *append_attr_list(attr_list_t *new_list, attr_list_t *old_list)
1220 {
1221 struct list *entry;
1222
1223 if (!old_list) return new_list;
1224
1225 while ((entry = list_head(old_list)))
1226 {
1227 attr_t *attr = LIST_ENTRY(entry, attr_t, entry);
1228 list_remove(entry);
1229 new_list = append_attr(new_list, attr);
1230 }
1231 return new_list;
1232 }
1233
1234 static attr_list_t *dupattrs(const attr_list_t *list)
1235 {
1236 attr_list_t *new_list;
1237 const attr_t *attr;
1238
1239 if (!list) return NULL;
1240
1241 new_list = xmalloc( sizeof(*list) );
1242 list_init( new_list );
1243 LIST_FOR_EACH_ENTRY(attr, list, const attr_t, entry)
1244 {
1245 attr_t *new_attr = xmalloc(sizeof(*new_attr));
1246 *new_attr = *attr;
1247 list_add_tail(new_list, &new_attr->entry);
1248 }
1249 return new_list;
1250 }
1251
1252 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)
1253 {
1254 decl_spec_t *declspec = left ? left : right;
1255 if (!declspec)
1256 {
1257 declspec = xmalloc(sizeof(*declspec));
1258 declspec->type = NULL;
1259 declspec->attrs = NULL;
1260 declspec->stgclass = STG_NONE;
1261 }
1262 declspec->type = type;
1263 if (left && declspec != left)
1264 {
1265 declspec->attrs = append_attr_list(declspec->attrs, left->attrs);
1266 if (declspec->stgclass == STG_NONE)
1267 declspec->stgclass = left->stgclass;
1268 else if (left->stgclass != STG_NONE)
1269 error_loc("only one storage class can be specified\n");
1270 assert(!left->type);
1271 free(left);
1272 }
1273 if (right && declspec != right)
1274 {
1275 declspec->attrs = append_attr_list(declspec->attrs, right->attrs);
1276 if (declspec->stgclass == STG_NONE)
1277 declspec->stgclass = right->stgclass;
1278 else if (right->stgclass != STG_NONE)
1279 error_loc("only one storage class can be specified\n");
1280 assert(!right->type);
1281 free(right);
1282 }
1283
1284 declspec->attrs = append_attr(declspec->attrs, attr);
1285 if (declspec->stgclass == STG_NONE)
1286 declspec->stgclass = stgclass;
1287 else if (stgclass != STG_NONE)
1288 error_loc("only one storage class can be specified\n");
1289
1290 /* apply attributes to type */
1291 if (type && declspec->attrs)
1292 {
1293 attr_list_t *attrs;
1294 declspec->type = duptype(type, 1);
1295 attrs = dupattrs(type->attrs);
1296 declspec->type->attrs = append_attr_list(attrs, declspec->attrs);
1297 declspec->attrs = NULL;
1298 }
1299
1300 return declspec;
1301 }
1302
1303 static attr_t *make_attr(enum attr_type type)
1304 {
1305 attr_t *a = xmalloc(sizeof(attr_t));
1306 a->type = type;
1307 a->u.ival = 0;
1308 return a;
1309 }
1310
1311 static attr_t *make_attrv(enum attr_type type, unsigned long val)
1312 {
1313 attr_t *a = xmalloc(sizeof(attr_t));
1314 a->type = type;
1315 a->u.ival = val;
1316 return a;
1317 }
1318
1319 static attr_t *make_attrp(enum attr_type type, void *val)
1320 {
1321 attr_t *a = xmalloc(sizeof(attr_t));
1322 a->type = type;
1323 a->u.pval = val;
1324 return a;
1325 }
1326
1327 static expr_list_t *append_expr(expr_list_t *list, expr_t *expr)
1328 {
1329 if (!expr) return list;
1330 if (!list)
1331 {
1332 list = xmalloc( sizeof(*list) );
1333 list_init( list );
1334 }
1335 list_add_tail( list, &expr->entry );
1336 return list;
1337 }
1338
1339 static array_dims_t *append_array(array_dims_t *list, expr_t *expr)
1340 {
1341 if (!expr) return list;
1342 if (!list)
1343 {
1344 list = xmalloc( sizeof(*list) );
1345 list_init( list );
1346 }
1347 list_add_tail( list, &expr->entry );
1348 return list;
1349 }
1350
1351 static struct list type_pool = LIST_INIT(type_pool);
1352 typedef struct
1353 {
1354 type_t data;
1355 struct list link;
1356 } type_pool_node_t;
1357
1358 type_t *alloc_type(void)
1359 {
1360 type_pool_node_t *node = xmalloc(sizeof *node);
1361 list_add_tail(&type_pool, &node->link);
1362 return &node->data;
1363 }
1364
1365 void set_all_tfswrite(int val)
1366 {
1367 type_pool_node_t *node;
1368 LIST_FOR_EACH_ENTRY(node, &type_pool, type_pool_node_t, link)
1369 node->data.tfswrite = val;
1370 }
1371
1372 type_t *make_type(unsigned char type, type_t *ref)
1373 {
1374 type_t *t = alloc_type();
1375 t->name = NULL;
1376 t->kind = TKIND_PRIMITIVE;
1377 t->type = type;
1378 t->ref = ref;
1379 t->attrs = NULL;
1380 t->orig = NULL;
1381 t->funcs = NULL;
1382 t->fields_or_args = NULL;
1383 t->ifaces = NULL;
1384 t->dim = 0;
1385 t->size_is = NULL;
1386 t->length_is = NULL;
1387 t->typestring_offset = 0;
1388 t->ptrdesc = 0;
1389 t->declarray = FALSE;
1390 t->ignore = (parse_only != 0);
1391 t->sign = 0;
1392 t->defined = FALSE;
1393 t->written = FALSE;
1394 t->user_types_registered = FALSE;
1395 t->tfswrite = FALSE;
1396 t->checked = FALSE;
1397 t->typelib_idx = -1;
1398 init_loc_info(&t->loc_info);
1399 return t;
1400 }
1401
1402 static type_t *make_func_type(var_list_t *args)
1403 {
1404 type_t *t = make_type(RPC_FC_FUNCTION, NULL);
1405 t->fields_or_args = args;
1406 return t;
1407 }
1408
1409 static type_t *make_pointer_type(type_t *ref, attr_list_t *attrs)
1410 {
1411 type_t *t = make_type(pointer_default, ref);
1412 t->attrs = attrs;
1413 return t;
1414 }
1415
1416 static type_t *append_ptrchain_type(type_t *ptrchain, type_t *type)
1417 {
1418 type_t *ptrchain_type;
1419 if (!ptrchain)
1420 return type;
1421 for (ptrchain_type = ptrchain; ptrchain_type->ref; ptrchain_type = ptrchain_type->ref)
1422 ;
1423 ptrchain_type->ref = type;
1424 return ptrchain;
1425 }
1426
1427 static void set_type(var_t *v, decl_spec_t *decl_spec, const declarator_t *decl,
1428 int top)
1429 {
1430 expr_list_t *sizes = get_attrp(v->attrs, ATTR_SIZEIS);
1431 expr_list_t *lengs = get_attrp(v->attrs, ATTR_LENGTHIS);
1432 int sizeless, has_varconf;
1433 expr_t *dim;
1434 type_t *atype, **ptype;
1435 array_dims_t *arr = decl ? decl->array : NULL;
1436 type_t *func_type = decl ? decl->func_type : NULL;
1437 type_t *type = decl_spec->type;
1438
1439 if (is_attr(type->attrs, ATTR_INLINE))
1440 {
1441 if (!func_type)
1442 error_loc("inline attribute applied to non-function type\n");
1443 else
1444 {
1445 type_t *t;
1446 /* move inline attribute from return type node to function node */
1447 for (t = func_type; is_ptr(t); t = t->ref)
1448 ;
1449 t->attrs = move_attr(t->attrs, type->attrs, ATTR_INLINE);
1450 }
1451 }
1452
1453 /* add type onto the end of the pointers in pident->type */
1454 v->type = append_ptrchain_type(decl ? decl->type : NULL, type);
1455 v->stgclass = decl_spec->stgclass;
1456
1457 /* the highest level of pointer specified should default to the var's ptr attr
1458 * or (RPC_FC_RP if not specified and it's a top level ptr), not
1459 * pointer_default so we need to fix that up here */
1460 if (!arr)
1461 {
1462 int ptr_attr = get_attrv(v->attrs, ATTR_POINTERTYPE);
1463 const type_t *ptr = NULL;
1464 /* pointer attributes on the left side of the type belong to the function
1465 * pointer, if one is being declared */
1466 type_t **pt = func_type ? &func_type : &v->type;
1467 for (ptr = *pt; ptr && !ptr_attr; )
1468 {
1469 ptr_attr = get_attrv(ptr->attrs, ATTR_POINTERTYPE);
1470 if (!ptr_attr && ptr->kind == TKIND_ALIAS)
1471 ptr = ptr->orig;
1472 else
1473 break;
1474 }
1475 if (ptr && is_ptr(ptr) && (ptr_attr || top))
1476 {
1477 /* duplicate type to avoid changing original type */
1478 *pt = duptype(*pt, 1);
1479 (*pt)->type = ptr_attr ? ptr_attr : RPC_FC_RP;
1480 }
1481 else if (ptr_attr)
1482 error_loc("%s: pointer attribute applied to non-pointer type\n", v->name);
1483 }
1484
1485 if (is_attr(v->attrs, ATTR_STRING) && !is_ptr(v->type) && !arr)
1486 error_loc("'%s': [string] attribute applied to non-pointer, non-array type\n",
1487 v->name);
1488
1489 if (is_attr(v->attrs, ATTR_V1ENUM))
1490 {
1491 if (v->type->type == RPC_FC_ENUM16)
1492 v->type->type = RPC_FC_ENUM32;
1493 else
1494 error_loc("'%s': [v1_enum] attribute applied to non-enum type\n", v->name);
1495 }
1496
1497 sizeless = FALSE;
1498 if (arr) LIST_FOR_EACH_ENTRY_REV(dim, arr, expr_t, entry)
1499 {
1500 if (sizeless)
1501 error_loc("%s: only the first array dimension can be unspecified\n", v->name);
1502
1503 if (dim->is_const)
1504 {
1505 unsigned int align = 0;
1506 size_t size = type_memsize(v->type, &align);
1507
1508 if (dim->cval <= 0)
1509 error_loc("%s: array dimension must be positive\n", v->name);
1510
1511 if (0xffffffffuL / size < (unsigned long) dim->cval)
1512 error_loc("%s: total array size is too large\n", v->name);
1513 else if (0xffffuL < size * dim->cval)
1514 v->type = make_type(RPC_FC_LGFARRAY, v->type);
1515 else
1516 v->type = make_type(RPC_FC_SMFARRAY, v->type);
1517 }
1518 else
1519 {
1520 sizeless = TRUE;
1521 v->type = make_type(RPC_FC_CARRAY, v->type);
1522 }
1523
1524 v->type->declarray = TRUE;
1525 v->type->dim = dim->cval;
1526 }
1527
1528 ptype = &v->type;
1529 has_varconf = FALSE;
1530 if (sizes) LIST_FOR_EACH_ENTRY(dim, sizes, expr_t, entry)
1531 {
1532 if (dim->type != EXPR_VOID)
1533 {
1534 has_varconf = TRUE;
1535 atype = *ptype = duptype(*ptype, 0);
1536
1537 if (atype->type == RPC_FC_SMFARRAY || atype->type == RPC_FC_LGFARRAY)
1538 error_loc("%s: cannot specify size_is for a fixed sized array\n", v->name);
1539
1540 if (atype->type != RPC_FC_CARRAY && !is_ptr(atype))
1541 error_loc("%s: size_is attribute applied to illegal type\n", v->name);
1542
1543 atype->type = RPC_FC_CARRAY;
1544 atype->size_is = dim;
1545 }
1546
1547 ptype = &(*ptype)->ref;
1548 if (*ptype == NULL)
1549 error_loc("%s: too many expressions in size_is attribute\n", v->name);
1550 }
1551
1552 ptype = &v->type;
1553 if (lengs) LIST_FOR_EACH_ENTRY(dim, lengs, expr_t, entry)
1554 {
1555 if (dim->type != EXPR_VOID)
1556 {
1557 has_varconf = TRUE;
1558 atype = *ptype = duptype(*ptype, 0);
1559
1560 if (atype->type == RPC_FC_SMFARRAY)
1561 atype->type = RPC_FC_SMVARRAY;
1562 else if (atype->type == RPC_FC_LGFARRAY)
1563 atype->type = RPC_FC_LGVARRAY;
1564 else if (atype->type == RPC_FC_CARRAY)
1565 atype->type = RPC_FC_CVARRAY;
1566 else
1567 error_loc("%s: length_is attribute applied to illegal type\n", v->name);
1568
1569 atype->length_is = dim;
1570 }
1571
1572 ptype = &(*ptype)->ref;
1573 if (*ptype == NULL)
1574 error_loc("%s: too many expressions in length_is attribute\n", v->name);
1575 }
1576
1577 if (has_varconf && !last_array(v->type))
1578 {
1579 ptype = &v->type;
1580 for (ptype = &v->type; is_array(*ptype); ptype = &(*ptype)->ref)
1581 {
1582 *ptype = duptype(*ptype, 0);
1583 (*ptype)->type = RPC_FC_BOGUS_ARRAY;
1584 }
1585 }
1586
1587 if (is_array(v->type))
1588 {
1589 const type_t *rt = v->type->ref;
1590 if (is_user_type(rt))
1591 v->type->type = RPC_FC_BOGUS_ARRAY;
1592 else
1593 switch (rt->type)
1594 {
1595 case RPC_FC_BOGUS_STRUCT:
1596 case RPC_FC_NON_ENCAPSULATED_UNION:
1597 case RPC_FC_ENCAPSULATED_UNION:
1598 case RPC_FC_ENUM16:
1599 v->type->type = RPC_FC_BOGUS_ARRAY;
1600 break;
1601 /* FC_RP should be above, but widl overuses these, and will break things. */
1602 case RPC_FC_UP:
1603 case RPC_FC_RP:
1604 if (rt->ref->type == RPC_FC_IP)
1605 v->type->type = RPC_FC_BOGUS_ARRAY;
1606 break;
1607 }
1608 }
1609
1610 /* v->type is currently pointing to the type on the left-side of the
1611 * declaration, so we need to fix this up so that it is the return type of the
1612 * function and make v->type point to the function side of the declaration */
1613 if (func_type)
1614 {
1615 type_t *ft, *t;
1616 type_t *return_type = v->type;
1617 v->type = func_type;
1618 for (ft = v->type; is_ptr(ft); ft = ft->ref)
1619 ;
1620 assert(ft->type == RPC_FC_FUNCTION);
1621 ft->ref = return_type;
1622 /* move calling convention attribute, if present, from pointer nodes to
1623 * function node */
1624 for (t = v->type; is_ptr(t); t = t->ref)
1625 ft->attrs = move_attr(ft->attrs, t->attrs, ATTR_CALLCONV);
1626 if (is_object_interface && !is_attr(ft->attrs, ATTR_CALLCONV))
1627 {
1628 static char *stdmethodcalltype;
1629 if (!stdmethodcalltype) stdmethodcalltype = strdup("STDMETHODCALLTYPE");
1630 ft->attrs = append_attr(NULL, make_attrp(ATTR_CALLCONV, stdmethodcalltype));
1631 }
1632 }
1633 else
1634 {
1635 type_t *t;
1636 for (t = v->type; is_ptr(t); t = t->ref)
1637 if (is_attr(t->attrs, ATTR_CALLCONV))
1638 error_loc("calling convention applied to non-function-pointer type\n");
1639 }
1640 }
1641
1642 static var_list_t *set_var_types(attr_list_t *attrs, decl_spec_t *decl_spec, declarator_list_t *decls)
1643 {
1644 declarator_t *decl, *next;
1645 var_list_t *var_list = NULL;
1646
1647 LIST_FOR_EACH_ENTRY_SAFE( decl, next, decls, declarator_t, entry )
1648 {
1649 var_t *var = decl->var;
1650
1651 var->attrs = attrs;
1652 set_type(var, decl_spec, decl, 0);
1653 var_list = append_var(var_list, var);
1654 free(decl);
1655 }
1656 return var_list;
1657 }
1658
1659 static ifref_list_t *append_ifref(ifref_list_t *list, ifref_t *iface)
1660 {
1661 if (!iface) return list;
1662 if (!list)
1663 {
1664 list = xmalloc( sizeof(*list) );
1665 list_init( list );
1666 }
1667 list_add_tail( list, &iface->entry );
1668 return list;
1669 }
1670
1671 static ifref_t *make_ifref(type_t *iface)
1672 {
1673 ifref_t *l = xmalloc(sizeof(ifref_t));
1674 l->iface = iface;
1675 l->attrs = NULL;
1676 return l;
1677 }
1678
1679 static var_list_t *append_var(var_list_t *list, var_t *var)
1680 {
1681 if (!var) return list;
1682 if (!list)
1683 {
1684 list = xmalloc( sizeof(*list) );
1685 list_init( list );
1686 }
1687 list_add_tail( list, &var->entry );
1688 return list;
1689 }
1690
1691 static var_list_t *append_var_list(var_list_t *list, var_list_t *vars)
1692 {
1693 if (!vars) return list;
1694 if (!list)
1695 {
1696 list = xmalloc( sizeof(*list) );
1697 list_init( list );
1698 }
1699 list_move_tail( list, vars );
1700 return list;
1701 }
1702
1703 static var_t *make_var(char *name)
1704 {
1705 var_t *v = xmalloc(sizeof(var_t));
1706 v->name = name;
1707 v->type = NULL;
1708 v->attrs = NULL;
1709 v->eval = NULL;
1710 v->stgclass = STG_NONE;
1711 init_loc_info(&v->loc_info);
1712 return v;
1713 }
1714
1715 static declarator_list_t *append_declarator(declarator_list_t *list, declarator_t *d)
1716 {
1717 if (!d) return list;
1718 if (!list) {
1719 list = xmalloc(sizeof(*list));
1720 list_init(list);
1721 }
1722 list_add_tail(list, &d->entry);
1723 return list;
1724 }
1725
1726 static declarator_t *make_declarator(var_t *var)
1727 {
1728 declarator_t *d = xmalloc(sizeof(*d));
1729 d->var = var;
1730 d->type = NULL;
1731 d->func_type = NULL;
1732 d->array = NULL;
1733 return d;
1734 }
1735
1736 static func_list_t *append_func(func_list_t *list, func_t *func)
1737 {
1738 if (!func) return list;
1739 if (!list)
1740 {
1741 list = xmalloc( sizeof(*list) );
1742 list_init( list );
1743 }
1744 list_add_tail( list, &func->entry );
1745 return list;
1746 }
1747
1748 static func_t *make_func(var_t *def)
1749 {
1750 func_t *f = xmalloc(sizeof(func_t));
1751 f->def = def;
1752 f->args = def->type->fields_or_args;
1753 f->ignore = parse_only;
1754 f->idx = -1;
1755 return f;
1756 }
1757
1758 static type_t *make_class(char *name)
1759 {
1760 type_t *c = make_type(RPC_FC_COCLASS, NULL);
1761 c->name = name;
1762 c->kind = TKIND_COCLASS;
1763 return c;
1764 }
1765
1766 static type_t *make_safearray(type_t *type)
1767 {
1768 type_t *sa = find_type_or_error("SAFEARRAY", 0);
1769 sa->ref = type;
1770 return make_type(pointer_default, sa);
1771 }
1772
1773 static typelib_t *make_library(const char *name, const attr_list_t *attrs)
1774 {
1775 typelib_t *typelib = xmalloc(sizeof(*typelib));
1776 typelib->name = xstrdup(name);
1777 typelib->filename = NULL;
1778 typelib->attrs = attrs;
1779 list_init( &typelib->entries );
1780 list_init( &typelib->importlibs );
1781 return typelib;
1782 }
1783
1784 #define HASHMAX 64
1785
1786 static int hash_ident(const char *name)
1787 {
1788 const char *p = name;
1789 int sum = 0;
1790 /* a simple sum hash is probably good enough */
1791 while (*p) {
1792 sum += *p;
1793 p++;
1794 }
1795 return sum & (HASHMAX-1);
1796 }
1797
1798 /***** type repository *****/
1799
1800 struct rtype {
1801 const char *name;
1802 type_t *type;
1803 int t;
1804 struct rtype *next;
1805 };
1806
1807 struct rtype *type_hash[HASHMAX];
1808
1809 static type_t *reg_type(type_t *type, const char *name, int t)
1810 {
1811 struct rtype *nt;
1812 int hash;
1813 if (!name) {
1814 error_loc("registering named type without name\n");
1815 return type;
1816 }
1817 hash = hash_ident(name);
1818 nt = xmalloc(sizeof(struct rtype));
1819 nt->name = name;
1820 nt->type = type;
1821 nt->t = t;
1822 nt->next = type_hash[hash];
1823 type_hash[hash] = nt;
1824 return type;
1825 }
1826
1827 static int is_incomplete(const type_t *t)
1828 {
1829 return !t->defined && (is_struct(t->type) || is_union(t->type));
1830 }
1831
1832 static void add_incomplete(type_t *t)
1833 {
1834 struct typenode *tn = xmalloc(sizeof *tn);
1835 tn->type = t;
1836 list_add_tail(&incomplete_types, &tn->entry);
1837 }
1838
1839 static void fix_type(type_t *t)
1840 {
1841 if (t->kind == TKIND_ALIAS && is_incomplete(t)) {
1842 type_t *ot = t->orig;
1843 fix_type(ot);
1844 t->fields_or_args = ot->fields_or_args;
1845 t->defined = ot->defined;
1846 }
1847 }
1848
1849 static void fix_incomplete(void)
1850 {
1851 struct typenode *tn, *next;
1852
1853 LIST_FOR_EACH_ENTRY_SAFE(tn, next, &incomplete_types, struct typenode, entry) {
1854 fix_type(tn->type);
1855 free(tn);
1856 }
1857 }
1858
1859 static type_t *reg_typedefs(decl_spec_t *decl_spec, declarator_list_t *decls, attr_list_t *attrs)
1860 {
1861 const declarator_t *decl;
1862 int is_str = is_attr(attrs, ATTR_STRING);
1863 type_t *type = decl_spec->type;
1864
1865 if (is_str)
1866 {
1867 type_t *t = decl_spec->type;
1868 unsigned char c;
1869
1870 while (is_ptr(t))
1871 t = t->ref;
1872
1873 c = t->type;
1874 if (c != RPC_FC_CHAR && c != RPC_FC_BYTE && c != RPC_FC_WCHAR)
1875 {
1876 decl = LIST_ENTRY( list_head( decls ), const declarator_t, entry );
1877 error_loc("'%s': [string] attribute is only valid on 'char', 'byte', or 'wchar_t' pointers and arrays\n",
1878 decl->var->name);
1879 }
1880 }
1881
1882 /* We must generate names for tagless enum, struct or union.
1883 Typedef-ing a tagless enum, struct or union means we want the typedef
1884 to be included in a library hence the public attribute. */
1885 if ((type->kind == TKIND_ENUM || type->kind == TKIND_RECORD
1886 || type->kind == TKIND_UNION) && ! type->name && ! parse_only)
1887 {
1888 if (! is_attr(attrs, ATTR_PUBLIC))
1889 attrs = append_attr( attrs, make_attr(ATTR_PUBLIC) );
1890 type->name = gen_name();
1891 }
1892 else if (is_attr(attrs, ATTR_UUID) && !is_attr(attrs, ATTR_PUBLIC))
1893 attrs = append_attr( attrs, make_attr(ATTR_PUBLIC) );
1894
1895 LIST_FOR_EACH_ENTRY( decl, decls, const declarator_t, entry )
1896 {
1897 var_t *name = decl->var;
1898
1899 if (name->name) {
1900 type_t *cur;
1901
1902 cur = find_type(name->name, 0);
1903 if (cur)
1904 error_loc("%s: redefinition error; original definition was at %s:%d\n",
1905 cur->name, cur->loc_info.input_name,
1906 cur->loc_info.line_number);
1907
1908 /* set the attributes to allow set_type to do some checks on them */
1909 name->attrs = attrs;
1910 set_type(name, decl_spec, decl, 0);
1911 cur = alias(name->type, name->name);
1912 cur->attrs = attrs;
1913
1914 if (is_incomplete(cur))
1915 add_incomplete(cur);
1916 reg_type(cur, cur->name, 0);
1917 }
1918 }
1919 return type;
1920 }
1921
1922 type_t *find_type(const char *name, int t)
1923 {
1924 struct rtype *cur = type_hash[hash_ident(name)];
1925 while (cur && (cur->t != t || strcmp(cur->name, name)))
1926 cur = cur->next;
1927 return cur ? cur->type : NULL;
1928 }
1929
1930 static type_t *find_type_or_error(const char *name, int t)
1931 {
1932 type_t *type = find_type(name, t);
1933 if (!type) {
1934 error_loc("type '%s' not found\n", name);
1935 return NULL;
1936 }
1937 return type;
1938 }
1939
1940 static type_t *find_type_or_error2(char *name, int t)
1941 {
1942 type_t *tp = find_type_or_error(name, t);
1943 free(name);
1944 return tp;
1945 }
1946
1947 int is_type(const char *name)
1948 {
1949 return find_type(name, 0) != NULL;
1950 }
1951
1952 static type_t *get_type(unsigned char type, char *name, int t)
1953 {
1954 type_t *tp;
1955 if (name) {
1956 tp = find_type(name, t);
1957 if (tp) {
1958 free(name);
1959 return tp;
1960 }
1961 }
1962 tp = make_type(type, NULL);
1963 tp->name = name;
1964 if (!name) return tp;
1965 return reg_type(tp, name, t);
1966 }
1967
1968 static type_t *get_typev(unsigned char type, var_t *name, int t)
1969 {
1970 char *sname = NULL;
1971 if (name) {
1972 sname = name->name;
1973 free(name);
1974 }
1975 return get_type(type, sname, t);
1976 }
1977
1978 static int get_struct_type(var_list_t *fields)
1979 {
1980 int has_pointer = 0;
1981 int has_conformance = 0;
1982 int has_variance = 0;
1983 var_t *field;
1984
1985 if (get_padding(fields))
1986 return RPC_FC_BOGUS_STRUCT;
1987
1988 if (fields) LIST_FOR_EACH_ENTRY( field, fields, var_t, entry )
1989 {
1990 type_t *t = field->type;
1991
1992 if (is_user_type(t))
1993 return RPC_FC_BOGUS_STRUCT;
1994
1995 if (is_ptr(t))
1996 {
1997 do
1998 t = t->ref;
1999 while (is_ptr(t));
2000
2001 switch (t->type)
2002 {
2003 case RPC_FC_IP:
2004 case RPC_FC_ENCAPSULATED_UNION:
2005 case RPC_FC_NON_ENCAPSULATED_UNION:
2006 case RPC_FC_BOGUS_STRUCT:
2007 return RPC_FC_BOGUS_STRUCT;
2008 }
2009
2010 has_pointer = 1;
2011 continue;
2012 }
2013
2014 if (field->type->declarray)
2015 {
2016 if (is_string_type(field->attrs, field->type))
2017 {
2018 if (is_conformant_array(field->type))
2019 has_conformance = 1;
2020 has_variance = 1;
2021 continue;
2022 }
2023
2024 if (is_array(field->type->ref))
2025 return RPC_FC_BOGUS_STRUCT;
2026
2027 if (is_conformant_array(field->type))
2028 {
2029 has_conformance = 1;
2030 if (field->type->declarray && list_next(fields, &field->entry))
2031 error_loc("field '%s' deriving from a conformant array must be the last field in the structure\n",
2032 field->name);
2033 }
2034 if (field->type->length_is)
2035 has_variance = 1;
2036
2037 t = field->type->ref;
2038 }
2039
2040 switch (t->type)
2041 {
2042 /*
2043 * RPC_FC_BYTE, RPC_FC_STRUCT, etc
2044 * Simple types don't effect the type of struct.
2045 * A struct containing a simple struct is still a simple struct.
2046 * So long as we can block copy the data, we return RPC_FC_STRUCT.
2047 */
2048 case 0: /* void pointer */
2049 case RPC_FC_BYTE:
2050 case RPC_FC_CHAR:
2051 case RPC_FC_SMALL:
2052 case RPC_FC_USMALL:
2053 case RPC_FC_WCHAR:
2054 case RPC_FC_SHORT:
2055 case RPC_FC_USHORT:
2056 case RPC_FC_LONG:
2057 case RPC_FC_ULONG:
2058 case RPC_FC_INT3264:
2059 case RPC_FC_UINT3264:
2060 case RPC_FC_HYPER:
2061 case RPC_FC_FLOAT:
2062 case RPC_FC_DOUBLE:
2063 case RPC_FC_STRUCT:
2064 case RPC_FC_ENUM32:
2065 break;
2066
2067 case RPC_FC_RP:
2068 case RPC_FC_UP:
2069 case RPC_FC_FP:
2070 case RPC_FC_OP:
2071 case RPC_FC_CARRAY:
2072 case RPC_FC_CVARRAY:
2073 case RPC_FC_BOGUS_ARRAY:
2074 has_pointer = 1;
2075 break;
2076
2077 /*
2078 * Propagate member attributes
2079 * a struct should be at least as complex as its member
2080 */
2081 case RPC_FC_CVSTRUCT:
2082 has_conformance = 1;
2083 has_variance = 1;
2084 has_pointer = 1;
2085 break;
2086
2087 case RPC_FC_CPSTRUCT:
2088 has_conformance = 1;
2089 if (list_next( fields, &field->entry ))
2090 error_loc("field '%s' deriving from a conformant array must be the last field in the structure\n",
2091 field->name);
2092 has_pointer = 1;
2093 break;
2094
2095 case RPC_FC_CSTRUCT:
2096 has_conformance = 1;
2097 if (list_next( fields, &field->entry ))
2098 error_loc("field '%s' deriving from a conformant array must be the last field in the structure\n",
2099 field->name);
2100 break;
2101
2102 case RPC_FC_PSTRUCT:
2103 has_pointer = 1;
2104 break;
2105
2106 default:
2107 error_loc("Unknown struct member %s with type (0x%02x)\n", field->name, t->type);
2108 /* fallthru - treat it as complex */
2109
2110 /* as soon as we see one of these these members, it's bogus... */
2111 case RPC_FC_ENCAPSULATED_UNION:
2112 case RPC_FC_NON_ENCAPSULATED_UNION:
2113 case RPC_FC_BOGUS_STRUCT:
2114 case RPC_FC_ENUM16:
2115 return RPC_FC_BOGUS_STRUCT;
2116 }
2117 }
2118
2119 if( has_variance )
2120 {
2121 if ( has_conformance )
2122 return RPC_FC_CVSTRUCT;
2123 else
2124 return RPC_FC_BOGUS_STRUCT;
2125 }
2126 if( has_conformance && has_pointer )
2127 return RPC_FC_CPSTRUCT;
2128 if( has_conformance )
2129 return RPC_FC_CSTRUCT;
2130 if( has_pointer )
2131 return RPC_FC_PSTRUCT;
2132 return RPC_FC_STRUCT;
2133 }
2134
2135 /***** constant repository *****/
2136
2137 struct rconst {
2138 char *name;
2139 var_t *var;
2140 struct rconst *next;
2141 };
2142
2143 struct rconst *const_hash[HASHMAX];
2144
2145 static var_t *reg_const(var_t *var)
2146 {
2147 struct rconst *nc;
2148 int hash;
2149 if (!var->name) {
2150 error_loc("registering constant without name\n");
2151 return var;
2152 }
2153 hash = hash_ident(var->name);
2154 nc = xmalloc(sizeof(struct rconst));
2155 nc->name = var->name;
2156 nc->var = var;
2157 nc->next = const_hash[hash];
2158 const_hash[hash] = nc;
2159 return var;
2160 }
2161
2162 var_t *find_const(const char *name, int f)
2163 {
2164 struct rconst *cur = const_hash[hash_ident(name)];
2165 while (cur && strcmp(cur->name, name))
2166 cur = cur->next;
2167 if (!cur) {
2168 if (f) error_loc("constant '%s' not found\n", name);
2169 return NULL;
2170 }
2171 return cur->var;
2172 }
2173
2174 static void write_libid(const typelib_t *typelib)
2175 {
2176 const UUID *uuid = get_attrp(typelib->attrs, ATTR_UUID);
2177 write_guid(idfile, "LIBID", typelib->name, uuid);
2178 }
2179
2180 static void write_clsid(type_t *cls)
2181 {
2182 const UUID *uuid = get_attrp(cls->attrs, ATTR_UUID);
2183 write_guid(idfile, "CLSID", cls->name, uuid);
2184 }
2185
2186 static void write_diid(type_t *iface)
2187 {
2188 const UUID *uuid = get_attrp(iface->attrs, ATTR_UUID);
2189 write_guid(idfile, "DIID", iface->name, uuid);
2190 }
2191
2192 static void write_iid(type_t *iface)
2193 {
2194 const UUID *uuid = get_attrp(iface->attrs, ATTR_UUID);
2195 write_guid(idfile, "IID", iface->name, uuid);
2196 }
2197
2198 static int compute_method_indexes(type_t *iface)
2199 {
2200 int idx;
2201 func_t *f;
2202
2203 if (iface->ref)
2204 idx = compute_method_indexes(iface->ref);
2205 else
2206 idx = 0;
2207
2208 if (!iface->funcs)
2209 return idx;
2210
2211 LIST_FOR_EACH_ENTRY( f, iface->funcs, func_t, entry )
2212 if (! is_callas(f->def->attrs))
2213 f->idx = idx++;
2214
2215 return idx;
2216 }
2217
2218 static char *gen_name(void)
2219 {
2220 static const char format[] = "__WIDL_%s_generated_name_%08lX";
2221 static unsigned long n = 0;
2222 static const char *file_id;
2223 static size_t size;
2224 char *name;
2225
2226 if (! file_id)
2227 {
2228 char *dst = dup_basename(input_name, ".idl");
2229 file_id = dst;
2230
2231 for (; *dst; ++dst)
2232 if (! isalnum((unsigned char) *dst))
2233 *dst = '_';
2234
2235 size = sizeof format - 7 + strlen(file_id) + 8;
2236 }
2237
2238 name = xmalloc(size);
2239 sprintf(name, format, file_id, n++);
2240 return name;
2241 }
2242
2243 struct allowed_attr
2244 {
2245 unsigned int dce_compatible : 1;
2246 unsigned int acf : 1;
2247 unsigned int on_interface : 1;
2248 unsigned int on_function : 1;
2249 unsigned int on_arg : 1;
2250 unsigned int on_type : 1;
2251 unsigned int on_enum : 1;
2252 unsigned int on_struct : 1;
2253 unsigned int on_union : 1;
2254 unsigned int on_field : 1;
2255 unsigned int on_library : 1;
2256 unsigned int on_dispinterface : 1;
2257 unsigned int on_module : 1;
2258 unsigned int on_coclass : 1;
2259 const char *display_name;
2260 };
2261
2262 struct allowed_attr allowed_attr[] =
2263 {
2264 /* attr { D ACF I Fn ARG T En St Un Fi L DI M C <display name> } */
2265 /* ATTR_AGGREGATABLE */ { 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 1, "aggregatable" },
2266 /* ATTR_APPOBJECT */ { 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 1, "appobject" },
2267 /* ATTR_ASYNC */ { 0, 1, 0, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, "async" },
2268 /* ATTR_AUTO_HANDLE */ { 1, 1, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, "auto_handle" },
2269 /* ATTR_BINDABLE */ { 0, 0, 0, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, "bindable" },
2270 /* ATTR_BROADCAST */ { 1, 0, 0, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, "broadcast" },
2271 /* ATTR_CALLAS */ { 0, 0, 0, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, "call_as" },
2272 /* ATTR_CALLCONV */ { 0, 0, 0, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, NULL },
2273 /* ATTR_CASE */ { 1, 0, 0, 0, 0, 0, 0, 0, 0, 1, 0, 0, 0, 0, "case" },
2274 /* ATTR_CONST */ { 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, "const" },
2275 /* ATTR_CONTEXTHANDLE */ { 1, 0, 0, 0, 0, 1, 0, 0, 0, 0, 0, 0, 0, 0, "context_handle" },
2276 /* ATTR_CONTROL */ { 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 1, 0, 0, 1, "control" },
2277 /* ATTR_DEFAULT */ { 0, 0, 1, 0, 0, 0, 0, 0, 0, 1, 0, 1, 0, 0, "default" },
2278 /* ATTR_DEFAULTCOLLELEM */ { 0, 0, 0, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, "defaultcollelem" },
2279 /* ATTR_DEFAULTVALUE */ { 0, 0, 0, 0, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, "defaultvalue" },
2280 /* ATTR_DEFAULTVTABLE */ { 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 1, "defaultvtable" },
2281 /* ATTR_DISPINTERFACE */ { 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, NULL },
2282 /* ATTR_DISPLAYBIND */ { 0, 0, 0, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, "displaybind" },
2283 /* ATTR_DLLNAME */ { 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 1, 0, "dllname" },
2284 /* ATTR_DUAL */ { 0, 0, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, "dual" },
2285 /* ATTR_ENDPOINT */ { 1, 0, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, "endpoint" },
2286 /* ATTR_ENTRY */ { 0, 0, 0, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, "entry" },
2287 /* ATTR_EXPLICIT_HANDLE */ { 1, 1, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, "explicit_handle" },
2288 /* ATTR_HANDLE */ { 1, 0, 0, 0, 0, 1, 0, 0, 0, 0, 0, 0, 0, 0, "handle" },
2289 /* ATTR_HELPCONTEXT */ { 0, 0, 1, 1, 0, 1, 1, 0, 0, 0, 1, 1, 1, 1, "helpcontext" },
2290 /* ATTR_HELPFILE */ { 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 1, 0, 0, 0, "helpfile" },
2291 /* ATTR_HELPSTRING */ { 0, 0, 1, 1, 0, 1, 1, 0, 0, 0, 1, 1, 1, 1, "helpstring" },
2292 /* ATTR_HELPSTRINGCONTEXT */ { 0, 0, 1, 1, 0, 1, 1, 0, 0, 0, 1, 1, 1, 1, "helpstringcontext" },
2293 /* ATTR_HELPSTRINGDLL */ { 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 1, 0, 0, 0, "helpstringdll" },
2294 /* ATTR_HIDDEN */ { 0, 0, 1, 1, 0, 0, 0, 0, 0, 0, 1, 1, 0, 1, "hidden" },
2295 /* ATTR_ID */ { 0, 0, 0, 1, 0, 0, 0, 0, 0, 1, 0, 0, 0, 0, "id" },
2296 /* ATTR_IDEMPOTENT */ { 1, 0, 0, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, "idempotent" },
2297 /* ATTR_IIDIS */ { 0, 0, 0, 0, 1, 0, 0, 0, 0, 1, 0, 0, 0, 0, "iid_is" },
2298 /* ATTR_IMMEDIATEBIND */ { 0, 0, 0, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, "immediatebind" },
2299 /* ATTR_IMPLICIT_HANDLE */ { 1, 1, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, "implicit_handle" },
2300 /* ATTR_IN */ { 0, 0, 0, 0, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, "in" },
2301 /* ATTR_INLINE */ { 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, "inline" },
2302 /* ATTR_INPUTSYNC */ { 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, "inputsync" },
2303 /* ATTR_LENGTHIS */ { 0, 0, 0, 0, 1, 0, 0, 0, 0, 1, 0, 0, 0, 0, "length_is" },
2304 /* ATTR_LIBLCID */ { 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 1, 0, 0, 0, "lcid" },
2305 /* ATTR_LOCAL */ { 1, 0, 1, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, "local" },
2306 /* ATTR_NONBROWSABLE */ { 0, 0, 0, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, "nonbrowsable" },
2307 /* ATTR_NONCREATABLE */ { 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 1, "noncreatable" },
2308 /* ATTR_NONEXTENSIBLE */ { 0, 0, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, "nonextensible" },
2309 /* ATTR_OBJECT */ { 0, 0, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, "object" },
2310 /* ATTR_ODL */ { 0, 0, 1, 0, 0, 0, 0, 0, 0, 0, 0, 1, 0, 0, "odl" },
2311 /* ATTR_OLEAUTOMATION */ { 0, 0, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, "oleautomation" },
2312 /* ATTR_OPTIONAL */ { 0, 0, 0, 0, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, "optional" },
2313 /* ATTR_OUT */ { 1, 0, 0, 0, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, "out" },
2314 /* ATTR_POINTERDEFAULT */ { 1, 0, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, "pointer_default" },
2315 /* ATTR_POINTERTYPE */ { 1, 0, 0, 0, 1, 1, 0, 0, 0, 1, 0, 0, 0, 0, "ref, unique or ptr" },
2316 /* ATTR_PROPGET */ { 0, 0, 0, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, "propget" },
2317 /* ATTR_PROPPUT */ { 0, 0, 0, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, "propput" },
2318 /* ATTR_PROPPUTREF */ { 0, 0, 0, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, "propputref" },
2319 /* ATTR_PUBLIC */ { 0, 0, 0, 0, 0, 1, 0, 0, 0, 0, 0, 0, 0, 0, "public" },
2320 /* ATTR_RANGE */ { 0, 0, 0, 0, 1, 1, 1, 0, 0, 1, 0, 0, 0, 0, "range" },
2321 /* ATTR_READONLY */ { 0, 0, 0, 0, 1, 0, 0, 0, 0, 1, 0, 0, 0, 0, "readonly" },
2322 /* ATTR_REQUESTEDIT */ { 0, 0, 0, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, "requestedit" },
2323 /* ATTR_RESTRICTED */ { 0, 0, 1, 1, 0, 1, 1, 1, 0, 0, 1, 1, 1, 0, "restricted" },
2324 /* ATTR_RETVAL */ { 0, 0, 0, 0, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, "retval" },
2325 /* ATTR_SIZEIS */ { 0, 0, 0, 0, 1, 0, 0, 0, 0, 1, 0, 0, 0, 0, "size_is" },
2326 /* ATTR_SOURCE */ { 0, 0, 1, 1, 0, 0, 0, 0, 0, 0, 0, 1, 0, 0, "source" },
2327 /* ATTR_STRICTCONTEXTHANDLE */ { 0, 0, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, "strict_context_handle" },
2328 /* ATTR_STRING */ { 1, 0, 0, 1, 1, 1, 0, 0, 0, 1, 0, 0, 0, 0, "string" },
2329 /* ATTR_SWITCHIS */ { 1, 0, 0, 0, 1, 0, 0, 0, 0, 1, 0, 0, 0, 0, "switch_is" },
2330 /* ATTR_SWITCHTYPE */ { 1, 0, 0, 0, 0, 1, 0, 0, 0, 1, 0, 0, 0, 0, "switch_type" },
2331 /* ATTR_TRANSMITAS */ { 1, 0, 0, 0, 0, 1, 0, 0, 0, 0, 0, 0, 0, 0, "transmit_as" },
2332 /* ATTR_UUID */ { 1, 0, 1, 0, 0, 1, 1, 0, 0, 0, 1, 1, 1, 1, "uuid" },
2333 /* ATTR_V1ENUM */ { 0, 0, 0, 0, 0, 1, 1, 0, 0, 0, 0, 0, 0, 0, "v1_enum" },
2334 /* ATTR_VARARG */ { 0, 0, 0, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, "vararg" },
2335 /* ATTR_VERSION */ { 1, 0, 1, 0, 0, 0, 0, 0, 0, 0, 1, 0, 0, 0, "version" },
2336 /* ATTR_WIREMARSHAL */ { 1, 0, 0, 0, 0, 1, 0, 0, 0, 0, 0, 0, 0, 0, "wire_marshal" },
2337 };
2338
2339 const char *get_attr_display_name(enum attr_type type)
2340 {
2341 return allowed_attr[type].display_name;
2342 }
2343
2344 static attr_list_t *check_iface_attrs(const char *name, attr_list_t *attrs)
2345 {
2346 const attr_t *attr;
2347 if (!attrs) return attrs;
2348 LIST_FOR_EACH_ENTRY(attr, attrs, const attr_t, entry)
2349 {
2350 if (!allowed_attr[attr->type].on_interface)
2351 error_loc("inapplicable attribute %s for interface %s\n",
2352 allowed_attr[attr->type].display_name, name);
2353 }
2354 return attrs;
2355 }
2356
2357 static attr_list_t *check_function_attrs(const char *name, attr_list_t *attrs)
2358 {
2359 const attr_t *attr;
2360 if (!attrs) return attrs;
2361 LIST_FOR_EACH_ENTRY(attr, attrs, const attr_t, entry)
2362 {
2363 if (!allowed_attr[attr->type].on_function)
2364 error_loc("inapplicable attribute %s for function %s\n",
2365 allowed_attr[attr->type].display_name, name);
2366 }
2367 return attrs;
2368 }
2369
2370 static void check_arg(var_t *arg)
2371 {
2372 const type_t *t = arg->type;
2373 const attr_t *attr;
2374
2375 if (t->type == 0 && ! is_var_ptr(arg))
2376 error_loc("argument '%s' has void type\n", arg->name);
2377
2378 if (arg->attrs)
2379 {
2380 LIST_FOR_EACH_ENTRY(attr, arg->attrs, const attr_t, entry)
2381 {
2382 if (!allowed_attr[attr->type].on_arg)
2383 error_loc("inapplicable attribute %s for argument %s\n",
2384 allowed_attr[attr->type].display_name, arg->name);
2385 }
2386 }
2387 }
2388
2389 static attr_list_t *check_typedef_attrs(attr_list_t *attrs)
2390 {
2391 const attr_t *attr;
2392 if (!attrs) return attrs;
2393 LIST_FOR_EACH_ENTRY(attr, attrs, const attr_t, entry)
2394 {
2395 if (!allowed_attr[attr->type].on_type)
2396 error_loc("inapplicable attribute %s for typedef\n",
2397 allowed_attr[attr->type].display_name);
2398 }
2399 return attrs;
2400 }
2401
2402 static attr_list_t *check_enum_attrs(attr_list_t *attrs)
2403 {
2404 const attr_t *attr;
2405 if (!attrs) return attrs;
2406 LIST_FOR_EACH_ENTRY(attr, attrs, const attr_t, entry)
2407 {
2408 if (!allowed_attr[attr->type].on_enum)
2409 error_loc("inapplicable attribute %s for enum\n",
2410 allowed_attr[attr->type].display_name);
2411 }
2412 return attrs;
2413 }
2414
2415 static attr_list_t *check_struct_attrs(attr_list_t *attrs)
2416 {
2417 const attr_t *attr;
2418 if (!attrs) return attrs;
2419 LIST_FOR_EACH_ENTRY(attr, attrs, const attr_t, entry)
2420 {
2421 if (!allowed_attr[attr->type].on_struct)
2422 error_loc("inapplicable attribute %s for struct\n",
2423 allowed_attr[attr->type].display_name);
2424 }
2425 return attrs;
2426 }
2427
2428 static attr_list_t *check_union_attrs(attr_list_t *attrs)
2429 {
2430 const attr_t *attr;
2431 if (!attrs) return attrs;
2432 LIST_FOR_EACH_ENTRY(attr, attrs, const attr_t, entry)
2433 {
2434 if (!allowed_attr[attr->type].on_union)
2435 error_loc("inapplicable attribute %s for union\n",
2436 allowed_attr[attr->type].display_name);
2437 }
2438 return attrs;
2439 }
2440
2441 static attr_list_t *check_field_attrs(const char *name, attr_list_t *attrs)
2442 {
2443 const attr_t *attr;
2444 if (!attrs) return attrs;
2445 LIST_FOR_EACH_ENTRY(attr, attrs, const attr_t, entry)
2446 {
2447 if (!allowed_attr[attr->type].on_field)
2448 error_loc("inapplicable attribute %s for field %s\n",
2449 allowed_attr[attr->type].display_name, name);
2450 }
2451 return attrs;
2452 }
2453
2454 static attr_list_t *check_library_attrs(const char *name, attr_list_t *attrs)
2455 {
2456 const attr_t *attr;
2457 if (!attrs) return attrs;
2458 LIST_FOR_EACH_ENTRY(attr, attrs, const attr_t, entry)
2459 {
2460 if (!allowed_attr[attr->type].on_library)
2461 error_loc("inapplicable attribute %s for library %s\n",
2462 allowed_attr[attr->type].display_name, name);
2463 }
2464 return attrs;
2465 }
2466
2467 static attr_list_t *check_dispiface_attrs(const char *name, attr_list_t *attrs)
2468 {
2469 const attr_t *attr;
2470 if (!attrs) return attrs;
2471 LIST_FOR_EACH_ENTRY(attr, attrs, const attr_t, entry)
2472 {
2473 if (!allowed_attr[attr->type].on_dispinterface)
2474 error_loc("inapplicable attribute %s for dispinterface %s\n",
2475 allowed_attr[attr->type].display_name, name);
2476 }
2477 return attrs;
2478 }
2479
2480 static attr_list_t *check_module_attrs(const char *name, attr_list_t *attrs)
2481 {
2482 const attr_t *attr;
2483 if (!attrs) return attrs;
2484 LIST_FOR_EACH_ENTRY(attr, attrs, const attr_t, entry)
2485 {
2486 if (!allowed_attr[attr->type].on_module)
2487 error_loc("inapplicable attribute %s for module %s\n",
2488 allowed_attr[attr->type].display_name, name);
2489 }
2490 return attrs;
2491 }
2492
2493 static attr_list_t *check_coclass_attrs(const char *name, attr_list_t *attrs)
2494 {
2495 const attr_t *attr;
2496 if (!attrs) return attrs;
2497 LIST_FOR_EACH_ENTRY(attr, attrs, const attr_t, entry)
2498 {
2499 if (!allowed_attr[attr->type].on_coclass)
2500 error_loc("inapplicable attribute %s for coclass %s\n",
2501 allowed_attr[attr->type].display_name, name);
2502 }
2503 return attrs;
2504 }
2505
2506 static int is_allowed_conf_type(const type_t *type)
2507 {
2508 switch (type->type)
2509 {
2510 case RPC_FC_CHAR:
2511 case RPC_FC_SMALL:
2512 case RPC_FC_BYTE:
2513 case RPC_FC_USMALL:
2514 case RPC_FC_WCHAR:
2515 case RPC_FC_SHORT:
2516 case RPC_FC_ENUM16:
2517 case RPC_FC_USHORT:
2518 case RPC_FC_LONG:
2519 case RPC_FC_ENUM32:
2520 case RPC_FC_ULONG:
2521 return TRUE;
2522 default:
2523 return FALSE;
2524 }
2525 }
2526
2527 static int is_ptr_guid_type(const type_t *type)
2528 {
2529 unsigned int align = 0;
2530 for (;;)
2531 {
2532 if (type->kind == TKIND_ALIAS)
2533 type = type->orig;
2534 else if (is_ptr(type))
2535 {
2536 type = type->ref;
2537 break;
2538 }
2539 else
2540 return FALSE;
2541 }
2542 return (type_memsize(type, &align) == 16);
2543 }
2544
2545 static void check_conformance_expr_list(const char *attr_name, const var_t *arg, const type_t *container_type, expr_list_t *expr_list)
2546 {
2547 expr_t *dim;
2548 struct expr_loc expr_loc;
2549 expr_loc.v = arg;
2550 expr_loc.attr = attr_name;
2551 if (expr_list) LIST_FOR_EACH_ENTRY(dim, expr_list, expr_t, entry)
2552 {
2553 if (dim->type != EXPR_VOID)
2554 {
2555 const type_t *expr_type = expr_resolve_type(&expr_loc, container_type, dim);
2556 if (!is_allowed_conf_type(expr_type))
2557 error_loc_info(&arg->loc_info, "expression must resolve to integral type <= 32bits for attribute %s\n",
2558 attr_name);
2559 }
2560 }
2561 }
2562
2563 static void check_remoting_fields(const var_t *var, type_t *type);
2564
2565 /* checks that properties common to fields and arguments are consistent */
2566 static void check_field_common(const type_t *container_type,
2567 const char *container_name, const var_t *arg)
2568 {
2569 type_t *type = arg->type;
2570 int is_wire_marshal = 0;
2571 int is_context_handle = 0;
2572 const char *container_type_name = NULL;
2573
2574 if (is_struct(container_type->type))
2575 container_type_name = "struct";
2576 else if (is_union(container_type->type))
2577 container_type_name = "union";
2578 else if (container_type->type == RPC_FC_FUNCTION)
2579 container_type_name = "function";
2580
2581 if (is_attr(arg->attrs, ATTR_LENGTHIS) &&
2582 (is_attr(arg->attrs, ATTR_STRING) || is_aliaschain_attr(arg->type, ATTR_STRING)))
2583 error_loc_info(&arg->loc_info,
2584 "string and length_is specified for argument %s are mutually exclusive attributes\n",
2585 arg->name);
2586
2587 if (is_attr(arg->attrs, ATTR_SIZEIS))
2588 {
2589 expr_list_t *size_is_exprs = get_attrp(arg->attrs, ATTR_SIZEIS);
2590 check_conformance_expr_list("size_is", arg, container_type, size_is_exprs);
2591 }
2592 if (is_attr(arg->attrs, ATTR_LENGTHIS))
2593 {
2594 expr_list_t *length_is_exprs = get_attrp(arg->attrs, ATTR_LENGTHIS);
2595 check_conformance_expr_list("length_is", arg, container_type, length_is_exprs);
2596 }
2597 if (is_attr(arg->attrs, ATTR_IIDIS))
2598 {
2599 struct expr_loc expr_loc;
2600 expr_t *expr = get_attrp(arg->attrs, ATTR_IIDIS);
2601 if (expr->type != EXPR_VOID)
2602 {
2603 const type_t *expr_type;
2604 expr_loc.v = arg;
2605 expr_loc.attr = "iid_is";
2606 expr_type = expr_resolve_type(&expr_loc, container_type, expr);
2607 if (!expr_type || !is_ptr_guid_type(expr_type))
2608 error_loc_info(&arg->loc_info, "expression must resolve to pointer to GUID type for attribute iid_is\n");
2609 }
2610 }
2611 if (is_attr(arg->attrs, ATTR_SWITCHIS))
2612 {
2613 struct expr_loc expr_loc;
2614 expr_t *expr = get_attrp(arg->attrs, ATTR_SWITCHIS);
2615 if (expr->type != EXPR_VOID)
2616 {
2617 const type_t *expr_type;
2618 expr_loc.v = arg;
2619 expr_loc.attr = "switch_is";
2620 expr_type = expr_resolve_type(&expr_loc, container_type, expr);
2621 if (!expr_type || !is_allowed_conf_type(expr_type))
2622 error_loc_info(&arg->loc_info, "expression must resolve to integral type <= 32bits for attribute %s\n",
2623 expr_loc.attr);
2624 }
2625 }
2626
2627 /* get fundamental type for the argument */
2628 for (;;)
2629 {
2630 if (is_attr(type->attrs, ATTR_WIREMARSHAL))
2631 {
2632 is_wire_marshal = 1;
2633 break;
2634 }
2635 if (is_attr(type->attrs, ATTR_CONTEXTHANDLE))
2636 {
2637 is_context_handle = 1;
2638 break;
2639 }
2640 if (type->kind == TKIND_ALIAS)
2641 type = type->orig;
2642 else if (is_ptr(type) || is_array(type))
2643 type = type->ref;
2644 else
2645 break;
2646 }
2647
2648 if (type->type == 0 && !is_attr(arg->attrs, ATTR_IIDIS) && !is_wire_marshal && !is_context_handle)
2649 error_loc_info(&arg->loc_info, "parameter \'%s\' of %s \'%s\' cannot derive from void *\n", arg->name, container_type_name, container_name);
2650 else if (type->type == RPC_FC_FUNCTION)
2651 error_loc_info(&arg->loc_info, "parameter \'%s\' of %s \'%s\' cannot be a function pointer\n", arg->name, container_type_name, container_name);
2652 else if (!is_wire_marshal && (is_struct(type->type) || is_union(type->type)))
2653 check_remoting_fields(arg, type);
2654 }
2655
2656 static void check_remoting_fields(const var_t *var, type_t *type)
2657 {
2658 const var_t *field;
2659 const var_list_t *fields = NULL;
2660
2661 if (type->checked)
2662 return;
2663
2664 type->checked = TRUE;
2665
2666 if (is_struct(type->type))
2667 {
2668 if (type->defined)
2669 fields = type->fields_or_args;
2670 else
2671 error_loc_info(&var->loc_info, "undefined type declaration %s\n", type->name);
2672 }
2673 else if (is_union(type->type))
2674 {
2675 if (type->type == RPC_FC_ENCAPSULATED_UNION)
2676 {
2677 const var_t *uv = LIST_ENTRY(list_tail(type->fields_or_args), const var_t, entry);
2678 fields = uv->type->fields_or_args;
2679 }
2680 else
2681 fields = type->fields_or_args;
2682 }
2683
2684 if (fields) LIST_FOR_EACH_ENTRY( field, fields, const var_t, entry )
2685 if (field->type) check_field_common(type, type->name, field);
2686 }
2687
2688 /* checks that arguments for a function make sense for marshalling and unmarshalling */
2689 static void check_remoting_args(const func_t *func)
2690 {
2691 const char *funcname = func->def->name;
2692 const var_t *arg;
2693
2694 if (func->args) LIST_FOR_EACH_ENTRY( arg, func->args, const var_t, entry )
2695 {
2696 int ptr_level = 0;
2697 const type_t *type = arg->type;
2698
2699 /* get pointer level and fundamental type for the argument */
2700 for (;;)
2701 {
2702 if (is_attr(type->attrs, ATTR_WIREMARSHAL))
2703 break;
2704 if (is_attr(type->attrs, ATTR_CONTEXTHANDLE))
2705 break;
2706 if (type->kind == TKIND_ALIAS)
2707 type = type->orig;
2708 else if (is_ptr(type))
2709 {
2710 ptr_level++;
2711 type = type->ref;
2712 }
2713 else
2714 break;
2715 }
2716
2717 /* check that [out] parameters have enough pointer levels */
2718 if (is_attr(arg->attrs, ATTR_OUT))
2719 {
2720 if (!is_array(type))
2721 {
2722 if (!ptr_level)
2723 error_loc_info(&arg->loc_info, "out parameter \'%s\' of function \'%s\' is not a pointer\n", arg->name, funcname);
2724 if (type->type == RPC_FC_IP && ptr_level == 1)
2725 error_loc_info(&arg->loc_info, "out interface pointer \'%s\' of function \'%s\' is not a double pointer\n", arg->name, funcname);
2726 }
2727 }
2728
2729 check_field_common(func->def->type, funcname, arg);
2730 }
2731 }
2732
2733 static void add_explicit_handle_if_necessary(func_t *func)
2734 {
2735 const var_t* explicit_handle_var;
2736 const var_t* explicit_generic_handle_var = NULL;
2737 const var_t* context_handle_var = NULL;
2738
2739 /* check for a defined binding handle */
2740 explicit_handle_var = get_explicit_handle_var(func);
2741 if (!explicit_handle_var)
2742 {
2743 explicit_generic_handle_var = get_explicit_generic_handle_var(func);
2744 if (!explicit_generic_handle_var)
2745 {
2746 context_handle_var = get_context_handle_var(func);
2747 if (!context_handle_var)
2748 {
2749 /* no explicit handle specified so add
2750 * "[in] handle_t IDL_handle" as the first parameter to the
2751 * function */
2752 var_t *idl_handle = make_var(xstrdup("IDL_handle"));
2753 idl_handle->attrs = append_attr(NULL, make_attr(ATTR_IN));
2754 idl_handle->type = find_type_or_error("handle_t", 0);
2755 if (!func->def->type->fields_or_args)
2756 {
2757 func->def->type->fields_or_args = xmalloc( sizeof(*func->def->type->fields_or_args) );
2758 list_init( func->def->type->fields_or_args );
2759 }
2760 list_add_head( func->def->type->fields_or_args, &idl_handle->entry );
2761 func->args = func->def->type->fields_or_args;
2762 }
2763 }
2764 }
2765 }
2766
2767 static void check_functions(const type_t *iface)
2768 {
2769 if (is_attr(iface->attrs, ATTR_EXPLICIT_HANDLE) && iface->funcs)
2770 {
2771 func_t *func;
2772 LIST_FOR_EACH_ENTRY( func, iface->funcs, func_t, entry )
2773 add_explicit_handle_if_necessary(func);
2774 }
2775 if (!is_inside_library && !is_attr(iface->attrs, ATTR_LOCAL))
2776 {
2777 const func_t *func;
2778 if (iface->funcs) LIST_FOR_EACH_ENTRY( func, iface->funcs, const func_t, entry )
2779 {
2780 if (!is_attr(func->def->attrs, ATTR_LOCAL))
2781 check_remoting_args(func);
2782 }
2783 }
2784 }
2785
2786 static void check_all_user_types(const statement_list_t *stmts)
2787 {
2788 const statement_t *stmt;
2789
2790 if (stmts) LIST_FOR_EACH_ENTRY(stmt, stmts, const statement_t, entry)
2791 {
2792 if (stmt->type == STMT_LIBRARY)
2793 check_all_user_types(stmt->u.lib->stmts);
2794 else if (stmt->type == STMT_TYPE && stmt->u.type->type == RPC_FC_IP)
2795 {
2796 const func_t *f;
2797 const func_list_t *fs = stmt->u.type->funcs;
2798 if (fs) LIST_FOR_EACH_ENTRY(f, fs, const func_t, entry)
2799 check_for_additional_prototype_types(f->args);
2800 }
2801 }
2802 }
2803
2804 int is_valid_uuid(const char *s)
2805 {
2806 int i;
2807
2808 for (i = 0; i < 36; ++i)
2809 if (i == 8 || i == 13 || i == 18 || i == 23)
2810 {
2811 if (s[i] != '-')
2812 return FALSE;
2813 }
2814 else
2815 if (!isxdigit(s[i]))
2816 return FALSE;
2817
2818 return s[i] == '\0';
2819 }
2820
2821 static statement_t *make_statement(enum statement_type type)
2822 {
2823 statement_t *stmt = xmalloc(sizeof(*stmt));
2824 stmt->type = type;
2825 return stmt;
2826 }
2827
2828 static statement_t *make_statement_type_decl(type_t *type)
2829 {
2830 statement_t *stmt = make_statement(STMT_TYPE);
2831 stmt->u.type = type;
2832 return stmt;
2833 }
2834
2835 static statement_t *make_statement_reference(type_t *type)
2836 {
2837 statement_t *stmt = make_statement(STMT_TYPEREF);
2838 stmt->u.type = type;
2839 return stmt;
2840 }
2841
2842 static statement_t *make_statement_declaration(var_t *var)
2843 {
2844 statement_t *stmt = make_statement(STMT_DECLARATION);
2845 stmt->u.var = var;
2846 if (var->stgclass == STG_EXTERN && var->eval)
2847 warning("'%s' initialised and declared extern\n", var->name);
2848 if (is_const_decl(var))
2849 {
2850 if (var->eval)
2851 reg_const(var);
2852 }
2853 else if ((var->stgclass == STG_NONE || var->stgclass == STG_REGISTER) &&
2854 var->type->type != RPC_FC_FUNCTION)
2855 error_loc("instantiation of data is illegal\n");
2856 return stmt;
2857 }
2858
2859 static statement_t *make_statement_library(typelib_t *typelib)
2860 {
2861 statement_t *stmt = make_statement(STMT_LIBRARY);
2862 stmt->u.lib = typelib;
2863 return stmt;
2864 }
2865
2866 static statement_t *make_statement_cppquote(const char *str)
2867 {
2868 statement_t *stmt = make_statement(STMT_CPPQUOTE);
2869 stmt->u.str = str;
2870 return stmt;
2871 }
2872
2873 static statement_t *make_statement_importlib(const char *str)
2874 {
2875 statement_t *stmt = make_statement(STMT_IMPORTLIB);
2876 stmt->u.str = str;
2877 return stmt;
2878 }
2879
2880 static statement_t *make_statement_import(const char *str)
2881 {
2882 statement_t *stmt = make_statement(STMT_IMPORT);
2883 stmt->u.str = str;
2884 return stmt;
2885 }
2886
2887 static statement_t *make_statement_module(type_t *type)
2888 {
2889 statement_t *stmt = make_statement(STMT_MODULE);
2890 stmt->u.type = type;
2891 return stmt;
2892 }
2893
2894 static statement_t *process_typedefs(declarator_list_t *decls)
2895 {
2896 declarator_t *decl, *next;
2897 statement_t *stmt;
2898 type_list_t **type_list;
2899
2900 if (!decls) return NULL;
2901
2902 stmt = make_statement(STMT_TYPEDEF);
2903 stmt->u.type_list = NULL;
2904 type_list = &stmt->u.type_list;
2905
2906 LIST_FOR_EACH_ENTRY_SAFE( decl, next, decls, declarator_t, entry )
2907 {
2908 var_t *var = decl->var;
2909 type_t *type = find_type_or_error(var->name, 0);
2910 *type_list = xmalloc(sizeof(type_list_t));
2911 (*type_list)->type = type;
2912 (*type_list)->next = NULL;
2913
2914 if (! parse_only && do_header)
2915 write_typedef(type);
2916 if (in_typelib && is_attr(type->attrs, ATTR_PUBLIC))
2917 add_typelib_entry(type);
2918
2919 type_list = &(*type_list)->next;
2920 free(decl);
2921 free(var);
2922 }
2923
2924 return stmt;
2925 }
2926
2927 static statement_list_t *append_statement(statement_list_t *list, statement_t *stmt)
2928 {
2929 if (!stmt) return list;
2930 if (!list)
2931 {
2932 list = xmalloc( sizeof(*list) );
2933 list_init( list );
2934 }
2935 list_add_tail( list, &stmt->entry );
2936 return list;
2937 }
2938
2939 static func_list_t *append_func_from_statement(func_list_t *list, statement_t *stmt)
2940 {
2941 if (stmt->type == STMT_DECLARATION)
2942 {
2943 var_t *var = stmt->u.var;
2944 if (var->stgclass == STG_NONE && var->type->type == RPC_FC_FUNCTION)
2945 {
2946 check_function_attrs(var->name, var->type->attrs);
2947 return append_func(list, make_func(stmt->u.var));
2948 }
2949 }
2950 return list;
2951 }
2952
2953 void init_loc_info(loc_info_t *i)
2954 {
2955 i->input_name = input_name ? input_name : "stdin";
2956 i->line_number = line_number;
2957 i->near_text = parser_text;
2958 }
2959
2960 static void check_def(const type_t *t)
2961 {
2962 if (t->defined)
2963 error_loc("%s: redefinition error; original definition was at %s:%d\n",
2964 t->name, t->loc_info.input_name, t->loc_info.line_number);
2965 }
useful hacks and other patches not (yet) suitable for mainline