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widl: Fix build failure in parser.y.
[wine/wine64.git] / tools / widl / parser.y
blobafab0d2b7aeb96ac48b6228cd02edbb0b32309e8
1 %{
2 /*
3 * IDL Compiler
4 *
5 * Copyright 2002 Ove Kaaven
6 *
7 * This library is free software; you can redistribute it and/or
8 * modify it under the terms of the GNU Lesser General Public
9 * License as published by the Free Software Foundation; either
10 * version 2.1 of the License, or (at your option) any later version.
11 *
12 * This library is distributed in the hope that it will be useful,
13 * but WITHOUT ANY WARRANTY; without even the implied warranty of
14 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
15 * Lesser General Public License for more details.
16 *
17 * You should have received a copy of the GNU Lesser General Public
18 * License along with this library; if not, write to the Free Software
19 * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA
20 */
21
22 #include "config.h"
23
24 #include <stdio.h>
25 #include <stdlib.h>
26 #include <stdarg.h>
27 #include <assert.h>
28 #include <ctype.h>
29 #include <string.h>
30 #ifdef HAVE_ALLOCA_H
31 #include <alloca.h>
32 #endif
33
34 #include "windef.h"
35
36 #include "widl.h"
37 #include "utils.h"
38 #include "parser.h"
39 #include "header.h"
40 #include "typelib.h"
41 #include "typegen.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 unsigned char pointer_default = RPC_FC_UP;
69
70 typedef struct list typelist_t;
71 struct typenode {
72 type_t *type;
73 struct list entry;
74 };
75
76 typelist_t incomplete_types = LIST_INIT(incomplete_types);
77
78 static void add_incomplete(type_t *t);
79 static void fix_incomplete(void);
80
81 static str_list_t *append_str(str_list_t *list, char *str);
82 static attr_list_t *append_attr(attr_list_t *list, attr_t *attr);
83 static attr_t *make_attr(enum attr_type type);
84 static attr_t *make_attrv(enum attr_type type, unsigned long val);
85 static attr_t *make_attrp(enum attr_type type, void *val);
86 static expr_t *make_expr(enum expr_type type);
87 static expr_t *make_exprl(enum expr_type type, long val);
88 static expr_t *make_exprd(enum expr_type type, double val);
89 static expr_t *make_exprs(enum expr_type type, char *val);
90 static expr_t *make_exprt(enum expr_type type, type_t *tref, expr_t *expr);
91 static expr_t *make_expr1(enum expr_type type, expr_t *expr);
92 static expr_t *make_expr2(enum expr_type type, expr_t *exp1, expr_t *exp2);
93 static expr_t *make_expr3(enum expr_type type, expr_t *expr1, expr_t *expr2, expr_t *expr3);
94 static type_t *make_type(unsigned char type, type_t *ref);
95 static expr_list_t *append_expr(expr_list_t *list, expr_t *expr);
96 static array_dims_t *append_array(array_dims_t *list, expr_t *expr);
97 static void set_type(var_t *v, type_t *type, int ptr_level, array_dims_t *arr, int top);
98 static ifref_list_t *append_ifref(ifref_list_t *list, ifref_t *iface);
99 static ifref_t *make_ifref(type_t *iface);
100 static var_list_t *append_var(var_list_t *list, var_t *var);
101 static var_t *make_var(char *name);
102 static pident_list_t *append_pident(pident_list_t *list, pident_t *p);
103 static pident_t *make_pident(var_t *var);
104 static func_list_t *append_func(func_list_t *list, func_t *func);
105 static func_t *make_func(var_t *def, var_list_t *args);
106 static type_t *make_class(char *name);
107 static type_t *make_safearray(type_t *type);
108 static type_t *make_builtin(char *name);
109 static type_t *make_int(int sign);
110
111 static type_t *reg_type(type_t *type, const char *name, int t);
112 static type_t *reg_typedefs(type_t *type, var_list_t *names, attr_list_t *attrs);
113 static type_t *find_type(const char *name, int t);
114 static type_t *find_type2(char *name, int t);
115 static type_t *get_type(unsigned char type, char *name, int t);
116 static type_t *get_typev(unsigned char type, var_t *name, int t);
117 static int get_struct_type(var_list_t *fields);
118
119 static var_t *reg_const(var_t *var);
120 static var_t *find_const(char *name, int f);
121
122 static void write_libid(const char *name, const attr_list_t *attr);
123 static void write_clsid(type_t *cls);
124 static void write_diid(type_t *iface);
125 static void write_iid(type_t *iface);
126
127 static int compute_method_indexes(type_t *iface);
128 static char *gen_name(void);
129 static void process_typedefs(var_list_t *names);
130 static void check_arg(var_t *arg);
131 static void check_all_user_types(ifref_list_t *ifaces);
132
133 #define tsENUM 1
134 #define tsSTRUCT 2
135 #define tsUNION 3
136
137 %}
138 %union {
139 attr_t *attr;
140 attr_list_t *attr_list;
141 str_list_t *str_list;
142 expr_t *expr;
143 expr_list_t *expr_list;
144 array_dims_t *array_dims;
145 type_t *type;
146 var_t *var;
147 var_list_t *var_list;
148 pident_t *pident;
149 pident_list_t *pident_list;
150 func_t *func;
151 func_list_t *func_list;
152 ifref_t *ifref;
153 ifref_list_t *ifref_list;
154 char *str;
155 UUID *uuid;
156 unsigned int num;
157 double dbl;
158 interface_info_t ifinfo;
159 }
160
161 %token <str> aIDENTIFIER
162 %token <str> aKNOWNTYPE
163 %token <num> aNUM aHEXNUM
164 %token <dbl> aDOUBLE
165 %token <str> aSTRING
166 %token <uuid> aUUID
167 %token aEOF
168 %token SHL SHR
169 %token tAGGREGATABLE tALLOCATE tAPPOBJECT tASYNC tASYNCUUID
170 %token tAUTOHANDLE tBINDABLE tBOOLEAN tBROADCAST tBYTE tBYTECOUNT
171 %token tCALLAS tCALLBACK tCASE tCDECL tCHAR tCOCLASS tCODE tCOMMSTATUS
172 %token tCONST tCONTEXTHANDLE tCONTEXTHANDLENOSERIALIZE
173 %token tCONTEXTHANDLESERIALIZE tCONTROL tCPPQUOTE
174 %token tDEFAULT
175 %token tDEFAULTCOLLELEM
176 %token tDEFAULTVALUE
177 %token tDEFAULTVTABLE
178 %token tDISPLAYBIND
179 %token tDISPINTERFACE
180 %token tDLLNAME tDOUBLE tDUAL
181 %token tENDPOINT
182 %token tENTRY tENUM tERRORSTATUST
183 %token tEXPLICITHANDLE tEXTERN
184 %token tFALSE
185 %token tFLOAT
186 %token tHANDLE
187 %token tHANDLET
188 %token tHELPCONTEXT tHELPFILE
189 %token tHELPSTRING tHELPSTRINGCONTEXT tHELPSTRINGDLL
190 %token tHIDDEN
191 %token tHYPER tID tIDEMPOTENT
192 %token tIIDIS
193 %token tIMMEDIATEBIND
194 %token tIMPLICITHANDLE
195 %token tIMPORT tIMPORTLIB
196 %token tIN tINLINE
197 %token tINPUTSYNC
198 %token tINT tINT64
199 %token tINTERFACE
200 %token tLCID
201 %token tLENGTHIS tLIBRARY
202 %token tLOCAL
203 %token tLONG
204 %token tMETHODS
205 %token tMODULE
206 %token tNONBROWSABLE
207 %token tNONCREATABLE
208 %token tNONEXTENSIBLE
209 %token tOBJECT tODL tOLEAUTOMATION
210 %token tOPTIONAL
211 %token tOUT
212 %token tPOINTERDEFAULT
213 %token tPROPERTIES
214 %token tPROPGET tPROPPUT tPROPPUTREF
215 %token tPTR
216 %token tPUBLIC
217 %token tRANGE
218 %token tREADONLY tREF
219 %token tREQUESTEDIT
220 %token tRESTRICTED
221 %token tRETVAL
222 %token tSAFEARRAY
223 %token tSHORT
224 %token tSIGNED
225 %token tSINGLE
226 %token tSIZEIS tSIZEOF
227 %token tSMALL
228 %token tSOURCE
229 %token tSTDCALL
230 %token tSTRING tSTRUCT
231 %token tSWITCH tSWITCHIS tSWITCHTYPE
232 %token tTRANSMITAS
233 %token tTRUE
234 %token tTYPEDEF
235 %token tUNION
236 %token tUNIQUE
237 %token tUNSIGNED
238 %token tUUID
239 %token tV1ENUM
240 %token tVARARG
241 %token tVERSION
242 %token tVOID
243 %token tWCHAR tWIREMARSHAL
244
245 %type <attr> attribute
246 %type <attr_list> m_attributes attributes attrib_list
247 %type <str_list> str_list
248 %type <expr> m_expr expr expr_const
249 %type <expr_list> m_exprs /* exprs expr_list */ expr_list_const
250 %type <array_dims> array array_list
251 %type <ifinfo> interfacehdr
252 %type <type> inherit interface interfacedef interfacedec
253 %type <type> dispinterface dispinterfacehdr dispinterfacedef
254 %type <type> module modulehdr moduledef
255 %type <type> base_type int_std
256 %type <type> enumdef structdef uniondef
257 %type <type> type
258 %type <ifref> coclass_int
259 %type <ifref_list> gbl_statements coclass_ints
260 %type <var> arg field s_field case enum constdef externdef
261 %type <var_list> m_args no_args args fields cases enums enum_list dispint_props
262 %type <var> m_ident t_ident ident
263 %type <pident> p_ident pident
264 %type <pident_list> pident_list
265 %type <func> funcdef
266 %type <func_list> int_statements dispint_meths
267 %type <type> coclass coclasshdr coclassdef
268 %type <num> pointer_type version
269 %type <str> libraryhdr
270 %type <uuid> uuid_string
271
272 %left ','
273 %right '?' ':'
274 %left '|'
275 %left '&'
276 %left '-' '+'
277 %left '*' '/'
278 %left SHL SHR
279 %right '~'
280 %right CAST
281 %right PPTR
282 %right NEG
283
284 %%
285
286 input: gbl_statements { fix_incomplete();
287 check_all_user_types($1);
288 write_proxies($1);
289 write_client($1);
290 write_server($1);
291 }
292 ;
293
294 gbl_statements: { $$ = NULL; }
295 | gbl_statements interfacedec { $$ = $1; }
296 | gbl_statements interfacedef { $$ = append_ifref( $1, make_ifref($2) ); }
297 | gbl_statements coclass ';' { $$ = $1;
298 reg_type($2, $2->name, 0);
299 if (!parse_only && do_header) write_coclass_forward($2);
300 }
301 | gbl_statements coclassdef { $$ = $1;
302 add_typelib_entry($2);
303 reg_type($2, $2->name, 0);
304 if (!parse_only && do_header) write_coclass_forward($2);
305 }
306 | gbl_statements moduledef { $$ = $1; add_typelib_entry($2); }
307 | gbl_statements librarydef { $$ = $1; }
308 | gbl_statements statement { $$ = $1; }
309 ;
310
311 imp_statements: {}
312 | imp_statements interfacedec { if (!parse_only) add_typelib_entry($2); }
313 | imp_statements interfacedef { if (!parse_only) add_typelib_entry($2); }
314 | imp_statements coclass ';' { reg_type($2, $2->name, 0); if (!parse_only && do_header) write_coclass_forward($2); }
315 | imp_statements coclassdef { if (!parse_only) add_typelib_entry($2);
316 reg_type($2, $2->name, 0);
317 if (!parse_only && do_header) write_coclass_forward($2);
318 }
319 | imp_statements moduledef { if (!parse_only) add_typelib_entry($2); }
320 | imp_statements statement {}
321 | imp_statements importlib {}
322 ;
323
324 int_statements: { $$ = NULL; }
325 | int_statements funcdef ';' { $$ = append_func( $1, $2 ); }
326 | int_statements statement { $$ = $1; }
327 ;
328
329 statement: ';' {}
330 | constdef ';' { if (!parse_only && do_header) { write_constdef($1); } }
331 | cppquote {}
332 | enumdef ';' { if (!parse_only && do_header) {
333 write_type_def_or_decl(header, $1, FALSE, NULL);
334 fprintf(header, ";\n\n");
335 }
336 }
337 | externdef ';' { if (!parse_only && do_header) { write_externdef($1); } }
338 | import {}
339 | structdef ';' { if (!parse_only && do_header) {
340 write_type_def_or_decl(header, $1, FALSE, NULL);
341 fprintf(header, ";\n\n");
342 }
343 }
344 | typedef ';' {}
345 | uniondef ';' { if (!parse_only && do_header) {
346 write_type_def_or_decl(header, $1, FALSE, NULL);
347 fprintf(header, ";\n\n");
348 }
349 }
350 ;
351
352 cppquote: tCPPQUOTE '(' aSTRING ')' { if (!parse_only && do_header) fprintf(header, "%s\n", $3); }
353 ;
354 import_start: tIMPORT aSTRING ';' { assert(yychar == YYEMPTY);
355 if (!do_import($2)) yychar = aEOF; }
356 ;
357 import: import_start imp_statements aEOF {}
358 ;
359
360 importlib: tIMPORTLIB '(' aSTRING ')' { if(!parse_only) add_importlib($3); }
361 ;
362
363 libraryhdr: tLIBRARY aIDENTIFIER { $$ = $2; }
364 ;
365 library_start: attributes libraryhdr '{' { start_typelib($2, $1);
366 if (!parse_only && do_header) write_library($2, $1);
367 if (!parse_only && do_idfile) write_libid($2, $1);
368 }
369 ;
370 librarydef: library_start imp_statements '}' { end_typelib(); }
371 ;
372
373 m_args: { $$ = NULL; }
374 | args
375 ;
376
377 no_args: tVOID { $$ = NULL; }
378 ;
379
380 args: arg { check_arg($1); $$ = append_var( NULL, $1 ); }
381 | args ',' arg { check_arg($3); $$ = append_var( $1, $3); }
382 | no_args
383 ;
384
385 /* split into two rules to get bison to resolve a tVOID conflict */
386 arg: attributes type pident array { $$ = $3->var;
387 $$->attrs = $1;
388 set_type($$, $2, $3->ptr_level, $4, TRUE);
389 free($3);
390 }
391 | type pident array { $$ = $2->var;
392 set_type($$, $1, $2->ptr_level, $3, TRUE);
393 free($2);
394 }
395 | attributes type pident '(' m_args ')' { $$ = $3->var;
396 $$->attrs = $1;
397 set_type($$, $2, $3->ptr_level - 1, NULL, TRUE);
398 free($3);
399 $$->args = $5;
400 }
401 | type pident '(' m_args ')' { $$ = $2->var;
402 set_type($$, $1, $2->ptr_level - 1, NULL, TRUE);
403 free($2);
404 $$->args = $4;
405 }
406 ;
407
408 array: { $$ = NULL; }
409 | '[' array_list ']' { $$ = $2; }
410 | '[' '*' ']' { $$ = append_array( NULL, make_expr(EXPR_VOID) ); }
411 ;
412
413 array_list: m_expr /* size of first dimension is optional */ { $$ = append_array( NULL, $1 ); }
414 | array_list ',' expr { $$ = append_array( $1, $3 ); }
415 | array_list ']' '[' expr { $$ = append_array( $1, $4 ); }
416 ;
417
418 m_attributes: { $$ = NULL; }
419 | attributes
420 ;
421
422 attributes:
423 '[' attrib_list ']' { $$ = $2;
424 if (!$$)
425 yyerror("empty attribute lists unsupported");
426 }
427 ;
428
429 attrib_list: attribute { $$ = append_attr( NULL, $1 ); }
430 | attrib_list ',' attribute { $$ = append_attr( $1, $3 ); }
431 | attrib_list ']' '[' attribute { $$ = append_attr( $1, $4 ); }
432 ;
433
434 str_list: aSTRING { $$ = append_str( NULL, $1 ); }
435 | str_list ',' aSTRING { $$ = append_str( $1, $3 ); }
436 ;
437
438 attribute: { $$ = NULL; }
439 | tAGGREGATABLE { $$ = make_attr(ATTR_AGGREGATABLE); }
440 | tAPPOBJECT { $$ = make_attr(ATTR_APPOBJECT); }
441 | tASYNC { $$ = make_attr(ATTR_ASYNC); }
442 | tAUTOHANDLE { $$ = make_attr(ATTR_AUTO_HANDLE); }
443 | tBINDABLE { $$ = make_attr(ATTR_BINDABLE); }
444 | tCALLAS '(' ident ')' { $$ = make_attrp(ATTR_CALLAS, $3); }
445 | tCASE '(' expr_list_const ')' { $$ = make_attrp(ATTR_CASE, $3); }
446 | tCONTEXTHANDLE { $$ = make_attrv(ATTR_CONTEXTHANDLE, 0); }
447 | tCONTEXTHANDLENOSERIALIZE { $$ = make_attrv(ATTR_CONTEXTHANDLE, 0); /* RPC_CONTEXT_HANDLE_DONT_SERIALIZE */ }
448 | tCONTEXTHANDLESERIALIZE { $$ = make_attrv(ATTR_CONTEXTHANDLE, 0); /* RPC_CONTEXT_HANDLE_SERIALIZE */ }
449 | tCONTROL { $$ = make_attr(ATTR_CONTROL); }
450 | tDEFAULT { $$ = make_attr(ATTR_DEFAULT); }
451 | tDEFAULTCOLLELEM { $$ = make_attr(ATTR_DEFAULTCOLLELEM); }
452 | tDEFAULTVALUE '(' expr_const ')' { $$ = make_attrp(ATTR_DEFAULTVALUE_EXPR, $3); }
453 | tDEFAULTVALUE '(' aSTRING ')' { $$ = make_attrp(ATTR_DEFAULTVALUE_STRING, $3); }
454 | tDEFAULTVTABLE { $$ = make_attr(ATTR_DEFAULTVTABLE); }
455 | tDISPLAYBIND { $$ = make_attr(ATTR_DISPLAYBIND); }
456 | tDLLNAME '(' aSTRING ')' { $$ = make_attrp(ATTR_DLLNAME, $3); }
457 | tDUAL { $$ = make_attr(ATTR_DUAL); }
458 | tENDPOINT '(' str_list ')' { $$ = make_attrp(ATTR_ENDPOINT, $3); }
459 | tENTRY '(' aSTRING ')' { $$ = make_attrp(ATTR_ENTRY_STRING, $3); }
460 | tENTRY '(' expr_const ')' { $$ = make_attrp(ATTR_ENTRY_ORDINAL, $3); }
461 | tEXPLICITHANDLE { $$ = make_attr(ATTR_EXPLICIT_HANDLE); }
462 | tHANDLE { $$ = make_attr(ATTR_HANDLE); }
463 | tHELPCONTEXT '(' expr_const ')' { $$ = make_attrp(ATTR_HELPCONTEXT, $3); }
464 | tHELPFILE '(' aSTRING ')' { $$ = make_attrp(ATTR_HELPFILE, $3); }
465 | tHELPSTRING '(' aSTRING ')' { $$ = make_attrp(ATTR_HELPSTRING, $3); }
466 | tHELPSTRINGCONTEXT '(' expr_const ')' { $$ = make_attrp(ATTR_HELPSTRINGCONTEXT, $3); }
467 | tHELPSTRINGDLL '(' aSTRING ')' { $$ = make_attrp(ATTR_HELPSTRINGDLL, $3); }
468 | tHIDDEN { $$ = make_attr(ATTR_HIDDEN); }
469 | tID '(' expr_const ')' { $$ = make_attrp(ATTR_ID, $3); }
470 | tIDEMPOTENT { $$ = make_attr(ATTR_IDEMPOTENT); }
471 | tIIDIS '(' ident ')' { $$ = make_attrp(ATTR_IIDIS, $3); }
472 | tIMMEDIATEBIND { $$ = make_attr(ATTR_IMMEDIATEBIND); }
473 | tIMPLICITHANDLE '(' tHANDLET aIDENTIFIER ')' { $$ = make_attrp(ATTR_IMPLICIT_HANDLE, $4); }
474 | tIN { $$ = make_attr(ATTR_IN); }
475 | tINPUTSYNC { $$ = make_attr(ATTR_INPUTSYNC); }
476 | tLENGTHIS '(' m_exprs ')' { $$ = make_attrp(ATTR_LENGTHIS, $3); }
477 | tLOCAL { $$ = make_attr(ATTR_LOCAL); }
478 | tNONBROWSABLE { $$ = make_attr(ATTR_NONBROWSABLE); }
479 | tNONCREATABLE { $$ = make_attr(ATTR_NONCREATABLE); }
480 | tNONEXTENSIBLE { $$ = make_attr(ATTR_NONEXTENSIBLE); }
481 | tOBJECT { $$ = make_attr(ATTR_OBJECT); }
482 | tODL { $$ = make_attr(ATTR_ODL); }
483 | tOLEAUTOMATION { $$ = make_attr(ATTR_OLEAUTOMATION); }
484 | tOPTIONAL { $$ = make_attr(ATTR_OPTIONAL); }
485 | tOUT { $$ = make_attr(ATTR_OUT); }
486 | tPOINTERDEFAULT '(' pointer_type ')' { $$ = make_attrv(ATTR_POINTERDEFAULT, $3); }
487 | tPROPGET { $$ = make_attr(ATTR_PROPGET); }
488 | tPROPPUT { $$ = make_attr(ATTR_PROPPUT); }
489 | tPROPPUTREF { $$ = make_attr(ATTR_PROPPUTREF); }
490 | tPUBLIC { $$ = make_attr(ATTR_PUBLIC); }
491 | tRANGE '(' expr_const ',' expr_const ')' { expr_list_t *list = append_expr( NULL, $3 );
492 list = append_expr( list, $5 );
493 $$ = make_attrp(ATTR_RANGE, list); }
494 | tREADONLY { $$ = make_attr(ATTR_READONLY); }
495 | tREQUESTEDIT { $$ = make_attr(ATTR_REQUESTEDIT); }
496 | tRESTRICTED { $$ = make_attr(ATTR_RESTRICTED); }
497 | tRETVAL { $$ = make_attr(ATTR_RETVAL); }
498 | tSIZEIS '(' m_exprs ')' { $$ = make_attrp(ATTR_SIZEIS, $3); }
499 | tSOURCE { $$ = make_attr(ATTR_SOURCE); }
500 | tSTRING { $$ = make_attr(ATTR_STRING); }
501 | tSWITCHIS '(' expr ')' { $$ = make_attrp(ATTR_SWITCHIS, $3); }
502 | tSWITCHTYPE '(' type ')' { $$ = make_attrp(ATTR_SWITCHTYPE, $3); }
503 | tTRANSMITAS '(' type ')' { $$ = make_attrp(ATTR_TRANSMITAS, $3); }
504 | tUUID '(' uuid_string ')' { $$ = make_attrp(ATTR_UUID, $3); }
505 | tV1ENUM { $$ = make_attr(ATTR_V1ENUM); }
506 | tVARARG { $$ = make_attr(ATTR_VARARG); }
507 | tVERSION '(' version ')' { $$ = make_attrv(ATTR_VERSION, $3); }
508 | tWIREMARSHAL '(' type ')' { $$ = make_attrp(ATTR_WIREMARSHAL, $3); }
509 | pointer_type { $$ = make_attrv(ATTR_POINTERTYPE, $1); }
510 ;
511
512 uuid_string:
513 aUUID
514 | aSTRING { if (!is_valid_uuid($1))
515 yyerror("invalid UUID: %s", $1);
516 $$ = parse_uuid($1); }
517 ;
518
519 callconv:
520 | tSTDCALL
521 ;
522
523 cases: { $$ = NULL; }
524 | cases case { $$ = append_var( $1, $2 ); }
525 ;
526
527 case: tCASE expr ':' field { attr_t *a = make_attrp(ATTR_CASE, append_expr( NULL, $2 ));
528 $$ = $4; if (!$$) $$ = make_var(NULL);
529 $$->attrs = append_attr( $$->attrs, a );
530 }
531 | tDEFAULT ':' field { attr_t *a = make_attr(ATTR_DEFAULT);
532 $$ = $3; if (!$$) $$ = make_var(NULL);
533 $$->attrs = append_attr( $$->attrs, a );
534 }
535 ;
536
537 constdef: tCONST type ident '=' expr_const { $$ = reg_const($3);
538 set_type($$, $2, 0, NULL, FALSE);
539 $$->eval = $5;
540 }
541 ;
542
543 enums: { $$ = NULL; }
544 | enum_list ',' { $$ = $1; }
545 | enum_list
546 ;
547
548 enum_list: enum { if (!$1->eval)
549 $1->eval = make_exprl(EXPR_NUM, 0 /* default for first enum entry */);
550 $$ = append_var( NULL, $1 );
551 }
552 | enum_list ',' enum { if (!$3->eval)
553 {
554 var_t *last = LIST_ENTRY( list_tail($$), var_t, entry );
555 $3->eval = make_exprl(EXPR_NUM, last->eval->cval + 1);
556 }
557 $$ = append_var( $1, $3 );
558 }
559 ;
560
561 enum: ident '=' expr_const { $$ = reg_const($1);
562 $$->eval = $3;
563 $$->type = make_int(0);
564 }
565 | ident { $$ = reg_const($1);
566 $$->type = make_int(0);
567 }
568 ;
569
570 enumdef: tENUM t_ident '{' enums '}' { $$ = get_typev(RPC_FC_ENUM16, $2, tsENUM);
571 $$->kind = TKIND_ENUM;
572 $$->fields = $4;
573 $$->defined = TRUE;
574 if(in_typelib)
575 add_typelib_entry($$);
576 }
577 ;
578
579 m_exprs: m_expr { $$ = append_expr( NULL, $1 ); }
580 | m_exprs ',' m_expr { $$ = append_expr( $1, $3 ); }
581 ;
582
583 /*
584 exprs: { $$ = make_expr(EXPR_VOID); }
585 | expr_list
586 ;
587
588 expr_list: expr
589 | expr_list ',' expr { LINK($3, $1); $$ = $3; }
590 ;
591 */
592
593 m_expr: { $$ = make_expr(EXPR_VOID); }
594 | expr
595 ;
596
597 expr: aNUM { $$ = make_exprl(EXPR_NUM, $1); }
598 | aHEXNUM { $$ = make_exprl(EXPR_HEXNUM, $1); }
599 | aDOUBLE { $$ = make_exprd(EXPR_DOUBLE, $1); }
600 | tFALSE { $$ = make_exprl(EXPR_TRUEFALSE, 0); }
601 | tTRUE { $$ = make_exprl(EXPR_TRUEFALSE, 1); }
602 | aIDENTIFIER { $$ = make_exprs(EXPR_IDENTIFIER, $1); }
603 | expr '?' expr ':' expr { $$ = make_expr3(EXPR_COND, $1, $3, $5); }
604 | expr '|' expr { $$ = make_expr2(EXPR_OR , $1, $3); }
605 | expr '&' expr { $$ = make_expr2(EXPR_AND, $1, $3); }
606 | expr '+' expr { $$ = make_expr2(EXPR_ADD, $1, $3); }
607 | expr '-' expr { $$ = make_expr2(EXPR_SUB, $1, $3); }
608 | expr '*' expr { $$ = make_expr2(EXPR_MUL, $1, $3); }
609 | expr '/' expr { $$ = make_expr2(EXPR_DIV, $1, $3); }
610 | expr SHL expr { $$ = make_expr2(EXPR_SHL, $1, $3); }
611 | expr SHR expr { $$ = make_expr2(EXPR_SHR, $1, $3); }
612 | '~' expr { $$ = make_expr1(EXPR_NOT, $2); }
613 | '-' expr %prec NEG { $$ = make_expr1(EXPR_NEG, $2); }
614 | '*' expr %prec PPTR { $$ = make_expr1(EXPR_PPTR, $2); }
615 | '(' type ')' expr %prec CAST { $$ = make_exprt(EXPR_CAST, $2, $4); }
616 | tSIZEOF '(' type ')' { $$ = make_exprt(EXPR_SIZEOF, $3, NULL); }
617 | '(' expr ')' { $$ = $2; }
618 ;
619
620 expr_list_const: expr_const { $$ = append_expr( NULL, $1 ); }
621 | expr_list_const ',' expr_const { $$ = append_expr( $1, $3 ); }
622 ;
623
624 expr_const: expr { $$ = $1;
625 if (!$$->is_const)
626 yyerror("expression is not constant");
627 }
628 ;
629
630 externdef: tEXTERN tCONST type ident { $$ = $4;
631 set_type($$, $3, 0, NULL, FALSE);
632 }
633 ;
634
635 fields: { $$ = NULL; }
636 | fields field { $$ = append_var( $1, $2 ); }
637 ;
638
639 field: s_field ';' { $$ = $1; }
640 | m_attributes uniondef ';' { $$ = make_var(NULL); $$->type = $2; $$->attrs = $1; }
641 | attributes ';' { $$ = make_var(NULL); $$->attrs = $1; }
642 | ';' { $$ = NULL; }
643 ;
644
645 s_field: m_attributes type pident array { $$ = $3->var;
646 $$->attrs = $1;
647 set_type($$, $2, $3->ptr_level, $4, FALSE);
648 free($3);
649 }
650 ;
651
652 funcdef:
653 m_attributes type callconv pident
654 '(' m_args ')' { var_t *v = $4->var;
655 v->attrs = $1;
656 set_type(v, $2, $4->ptr_level, NULL, FALSE);
657 free($4);
658 $$ = make_func(v, $6);
659 if (is_attr(v->attrs, ATTR_IN)) {
660 yyerror("inapplicable attribute [in] for function '%s'",$$->def->name);
661 }
662 }
663 ;
664
665 m_ident: { $$ = NULL; }
666 | ident
667 ;
668
669 t_ident: { $$ = NULL; }
670 | aIDENTIFIER { $$ = make_var($1); }
671 | aKNOWNTYPE { $$ = make_var($1); }
672 ;
673
674 ident: aIDENTIFIER { $$ = make_var($1); }
675 /* some "reserved words" used in attributes are also used as field names in some MS IDL files */
676 | aKNOWNTYPE { $$ = make_var($<str>1); }
677 ;
678
679 base_type: tBYTE { $$ = make_builtin($<str>1); }
680 | tWCHAR { $$ = make_builtin($<str>1); }
681 | int_std
682 | tSIGNED int_std { $$ = $2; $$->sign = 1; }
683 | tUNSIGNED int_std { $$ = $2; $$->sign = -1;
684 switch ($$->type) {
685 case RPC_FC_CHAR: break;
686 case RPC_FC_SMALL: $$->type = RPC_FC_USMALL; break;
687 case RPC_FC_SHORT: $$->type = RPC_FC_USHORT; break;
688 case RPC_FC_LONG: $$->type = RPC_FC_ULONG; break;
689 case RPC_FC_HYPER:
690 if ($$->name[0] == 'h') /* hyper, as opposed to __int64 */
691 {
692 $$ = alias($$, "MIDL_uhyper");
693 $$->sign = 0;
694 }
695 break;
696 default: break;
697 }
698 }
699 | tUNSIGNED { $$ = make_int(-1); }
700 | tFLOAT { $$ = make_builtin($<str>1); }
701 | tSINGLE { $$ = duptype(find_type("float", 0), 1); }
702 | tDOUBLE { $$ = make_builtin($<str>1); }
703 | tBOOLEAN { $$ = make_builtin($<str>1); }
704 | tERRORSTATUST { $$ = make_builtin($<str>1); }
705 | tHANDLET { $$ = make_builtin($<str>1); }
706 ;
707
708 m_int:
709 | tINT
710 ;
711
712 int_std: tINT { $$ = make_builtin($<str>1); }
713 | tSHORT m_int { $$ = make_builtin($<str>1); }
714 | tSMALL { $$ = make_builtin($<str>1); }
715 | tLONG m_int { $$ = make_builtin($<str>1); }
716 | tHYPER m_int { $$ = make_builtin($<str>1); }
717 | tINT64 { $$ = make_builtin($<str>1); }
718 | tCHAR { $$ = make_builtin($<str>1); }
719 ;
720
721 coclass: tCOCLASS aIDENTIFIER { $$ = make_class($2); }
722 | tCOCLASS aKNOWNTYPE { $$ = find_type($2, 0);
723 if ($$->defined) yyerror("multiple definition error");
724 if ($$->kind != TKIND_COCLASS) yyerror("%s was not declared a coclass", $2);
725 }
726 ;
727
728 coclasshdr: attributes coclass { $$ = $2;
729 $$->attrs = $1;
730 if (!parse_only && do_header)
731 write_coclass($$);
732 if (!parse_only && do_idfile)
733 write_clsid($$);
734 }
735 ;
736
737 coclassdef: coclasshdr '{' coclass_ints '}' { $$ = $1;
738 $$->ifaces = $3;
739 $$->defined = TRUE;
740 }
741 ;
742
743 coclass_ints: { $$ = NULL; }
744 | coclass_ints coclass_int { $$ = append_ifref( $1, $2 ); }
745 ;
746
747 coclass_int:
748 m_attributes interfacedec { $$ = make_ifref($2); $$->attrs = $1; }
749 ;
750
751 dispinterface: tDISPINTERFACE aIDENTIFIER { $$ = get_type(0, $2, 0); $$->kind = TKIND_DISPATCH; }
752 | tDISPINTERFACE aKNOWNTYPE { $$ = get_type(0, $2, 0); $$->kind = TKIND_DISPATCH; }
753 ;
754
755 dispinterfacehdr: attributes dispinterface { attr_t *attrs;
756 $$ = $2;
757 if ($$->defined) yyerror("multiple definition error");
758 attrs = make_attr(ATTR_DISPINTERFACE);
759 $$->attrs = append_attr( $1, attrs );
760 $$->ref = find_type("IDispatch", 0);
761 if (!$$->ref) yyerror("IDispatch is undefined");
762 $$->defined = TRUE;
763 if (!parse_only && do_header) write_forward($$);
764 }
765 ;
766
767 dispint_props: tPROPERTIES ':' { $$ = NULL; }
768 | dispint_props s_field ';' { $$ = append_var( $1, $2 ); }
769 ;
770
771 dispint_meths: tMETHODS ':' { $$ = NULL; }
772 | dispint_meths funcdef ';' { $$ = append_func( $1, $2 ); }
773 ;
774
775 dispinterfacedef: dispinterfacehdr '{'
776 dispint_props
777 dispint_meths
778 '}' { $$ = $1;
779 $$->fields = $3;
780 $$->funcs = $4;
781 if (!parse_only && do_header) write_dispinterface($$);
782 if (!parse_only && do_idfile) write_diid($$);
783 }
784 | dispinterfacehdr
785 '{' interface ';' '}' { $$ = $1;
786 $$->fields = $3->fields;
787 $$->funcs = $3->funcs;
788 if (!parse_only && do_header) write_dispinterface($$);
789 if (!parse_only && do_idfile) write_diid($$);
790 }
791 ;
792
793 inherit: { $$ = NULL; }
794 | ':' aKNOWNTYPE { $$ = find_type2($2, 0); }
795 ;
796
797 interface: tINTERFACE aIDENTIFIER { $$ = get_type(RPC_FC_IP, $2, 0); $$->kind = TKIND_INTERFACE; }
798 | tINTERFACE aKNOWNTYPE { $$ = get_type(RPC_FC_IP, $2, 0); $$->kind = TKIND_INTERFACE; }
799 ;
800
801 interfacehdr: attributes interface { $$.interface = $2;
802 $$.old_pointer_default = pointer_default;
803 if (is_attr($1, ATTR_POINTERDEFAULT))
804 pointer_default = get_attrv($1, ATTR_POINTERDEFAULT);
805 if ($2->defined) yyerror("multiple definition error");
806 $2->attrs = $1;
807 $2->defined = TRUE;
808 if (!parse_only && do_header) write_forward($2);
809 }
810 ;
811
812 interfacedef: interfacehdr inherit
813 '{' int_statements '}' { $$ = $1.interface;
814 $$->ref = $2;
815 $$->funcs = $4;
816 compute_method_indexes($$);
817 if (!parse_only && do_header) write_interface($$);
818 if (!parse_only && do_idfile) write_iid($$);
819 pointer_default = $1.old_pointer_default;
820 }
821 /* MIDL is able to import the definition of a base class from inside the
822 * definition of a derived class, I'll try to support it with this rule */
823 | interfacehdr ':' aIDENTIFIER
824 '{' import int_statements '}' { $$ = $1.interface;
825 $$->ref = find_type2($3, 0);
826 if (!$$->ref) yyerror("base class '%s' not found in import", $3);
827 $$->funcs = $6;
828 compute_method_indexes($$);
829 if (!parse_only && do_header) write_interface($$);
830 if (!parse_only && do_idfile) write_iid($$);
831 pointer_default = $1.old_pointer_default;
832 }
833 | dispinterfacedef { $$ = $1; }
834 ;
835
836 interfacedec:
837 interface ';' { $$ = $1; if (!parse_only && do_header) write_forward($$); }
838 | dispinterface ';' { $$ = $1; if (!parse_only && do_header) write_forward($$); }
839 ;
840
841 module: tMODULE aIDENTIFIER { $$ = make_type(0, NULL); $$->name = $2; $$->kind = TKIND_MODULE; }
842 | tMODULE aKNOWNTYPE { $$ = make_type(0, NULL); $$->name = $2; $$->kind = TKIND_MODULE; }
843 ;
844
845 modulehdr: attributes module { $$ = $2;
846 $$->attrs = $1;
847 }
848 ;
849
850 moduledef: modulehdr '{' int_statements '}' { $$ = $1;
851 $$->funcs = $3;
852 /* FIXME: if (!parse_only && do_header) write_module($$); */
853 }
854 ;
855
856 p_ident: '*' pident %prec PPTR { $$ = $2; $$->ptr_level++; }
857 | tCONST p_ident { $$ = $2; /* FIXME */ }
858 ;
859
860 pident: ident { $$ = make_pident($1); }
861 | p_ident
862 | '(' pident ')' { $$ = $2; }
863 ;
864
865 pident_list:
866 pident { $$ = append_pident( NULL, $1 ); }
867 | pident_list ',' pident { $$ = append_pident( $1, $3 ); }
868 ;
869
870 pointer_type:
871 tREF { $$ = RPC_FC_RP; }
872 | tUNIQUE { $$ = RPC_FC_UP; }
873 | tPTR { $$ = RPC_FC_FP; }
874 ;
875
876 structdef: tSTRUCT t_ident '{' fields '}' { $$ = get_typev(RPC_FC_STRUCT, $2, tsSTRUCT);
877 /* overwrite RPC_FC_STRUCT with a more exact type */
878 $$->type = get_struct_type( $4 );
879 $$->kind = TKIND_RECORD;
880 $$->fields = $4;
881 $$->defined = TRUE;
882 if(in_typelib)
883 add_typelib_entry($$);
884 }
885 ;
886
887 type: tVOID { $$ = duptype(find_type("void", 0), 1); }
888 | aKNOWNTYPE { $$ = find_type($1, 0); }
889 | base_type { $$ = $1; }
890 | tCONST type { $$ = duptype($2, 1); $$->is_const = TRUE; }
891 | enumdef { $$ = $1; }
892 | tENUM aIDENTIFIER { $$ = find_type2($2, tsENUM); }
893 | structdef { $$ = $1; }
894 | tSTRUCT aIDENTIFIER { $$ = get_type(RPC_FC_STRUCT, $2, tsSTRUCT); }
895 | uniondef { $$ = $1; }
896 | tUNION aIDENTIFIER { $$ = find_type2($2, tsUNION); }
897 | tSAFEARRAY '(' type ')' { $$ = make_safearray($3); }
898 ;
899
900 typedef: tTYPEDEF m_attributes type pident_list { reg_typedefs($3, $4, $2);
901 process_typedefs($4);
902 }
903 ;
904
905 uniondef: tUNION t_ident '{' fields '}' { $$ = get_typev(RPC_FC_NON_ENCAPSULATED_UNION, $2, tsUNION);
906 $$->kind = TKIND_UNION;
907 $$->fields = $4;
908 $$->defined = TRUE;
909 }
910 | tUNION t_ident
911 tSWITCH '(' s_field ')'
912 m_ident '{' cases '}' { var_t *u = $7;
913 $$ = get_typev(RPC_FC_ENCAPSULATED_UNION, $2, tsUNION);
914 $$->kind = TKIND_UNION;
915 if (!u) u = make_var( xstrdup("tagged_union") );
916 u->type = make_type(RPC_FC_NON_ENCAPSULATED_UNION, NULL);
917 u->type->kind = TKIND_UNION;
918 u->type->fields = $9;
919 u->type->defined = TRUE;
920 $$->fields = append_var( $$->fields, $5 );
921 $$->fields = append_var( $$->fields, u );
922 $$->defined = TRUE;
923 }
924 ;
925
926 version:
927 aNUM { $$ = MAKELONG($1, 0); }
928 | aNUM '.' aNUM { $$ = MAKELONG($1, $3); }
929 ;
930
931 %%
932
933 static void decl_builtin(const char *name, unsigned char type)
934 {
935 type_t *t = make_type(type, NULL);
936 t->name = xstrdup(name);
937 reg_type(t, name, 0);
938 }
939
940 static type_t *make_builtin(char *name)
941 {
942 /* NAME is strdup'd in the lexer */
943 type_t *t = duptype(find_type(name, 0), 0);
944 t->name = name;
945 return t;
946 }
947
948 static type_t *make_int(int sign)
949 {
950 type_t *t = duptype(find_type("int", 0), 1);
951
952 t->sign = sign;
953 if (sign < 0)
954 t->type = t->type == RPC_FC_LONG ? RPC_FC_ULONG : RPC_FC_USHORT;
955
956 return t;
957 }
958
959 void init_types(void)
960 {
961 decl_builtin("void", 0);
962 decl_builtin("byte", RPC_FC_BYTE);
963 decl_builtin("wchar_t", RPC_FC_WCHAR);
964 decl_builtin("int", RPC_FC_LONG); /* win32 */
965 decl_builtin("short", RPC_FC_SHORT);
966 decl_builtin("small", RPC_FC_SMALL);
967 decl_builtin("long", RPC_FC_LONG);
968 decl_builtin("hyper", RPC_FC_HYPER);
969 decl_builtin("__int64", RPC_FC_HYPER);
970 decl_builtin("char", RPC_FC_CHAR);
971 decl_builtin("float", RPC_FC_FLOAT);
972 decl_builtin("double", RPC_FC_DOUBLE);
973 decl_builtin("boolean", RPC_FC_BYTE);
974 decl_builtin("error_status_t", RPC_FC_ERROR_STATUS_T);
975 decl_builtin("handle_t", RPC_FC_BIND_PRIMITIVE);
976 }
977
978 static str_list_t *append_str(str_list_t *list, char *str)
979 {
980 struct str_list_entry_t *entry;
981
982 if (!str) return list;
983 if (!list)
984 {
985 list = xmalloc( sizeof(*list) );
986 list_init( list );
987 }
988 entry = xmalloc( sizeof(*entry) );
989 entry->str = str;
990 list_add_tail( list, &entry->entry );
991 return list;
992 }
993
994 static attr_list_t *append_attr(attr_list_t *list, attr_t *attr)
995 {
996 if (!attr) return list;
997 if (!list)
998 {
999 list = xmalloc( sizeof(*list) );
1000 list_init( list );
1001 }
1002 list_add_tail( list, &attr->entry );
1003 return list;
1004 }
1005
1006 static attr_t *make_attr(enum attr_type type)
1007 {
1008 attr_t *a = xmalloc(sizeof(attr_t));
1009 a->type = type;
1010 a->u.ival = 0;
1011 return a;
1012 }
1013
1014 static attr_t *make_attrv(enum attr_type type, unsigned long val)
1015 {
1016 attr_t *a = xmalloc(sizeof(attr_t));
1017 a->type = type;
1018 a->u.ival = val;
1019 return a;
1020 }
1021
1022 static attr_t *make_attrp(enum attr_type type, void *val)
1023 {
1024 attr_t *a = xmalloc(sizeof(attr_t));
1025 a->type = type;
1026 a->u.pval = val;
1027 return a;
1028 }
1029
1030 static expr_t *make_expr(enum expr_type type)
1031 {
1032 expr_t *e = xmalloc(sizeof(expr_t));
1033 e->type = type;
1034 e->ref = NULL;
1035 e->u.lval = 0;
1036 e->is_const = FALSE;
1037 e->cval = 0;
1038 return e;
1039 }
1040
1041 static expr_t *make_exprl(enum expr_type type, long val)
1042 {
1043 expr_t *e = xmalloc(sizeof(expr_t));
1044 e->type = type;
1045 e->ref = NULL;
1046 e->u.lval = val;
1047 e->is_const = FALSE;
1048 /* check for numeric constant */
1049 if (type == EXPR_NUM || type == EXPR_HEXNUM || type == EXPR_TRUEFALSE) {
1050 /* make sure true/false value is valid */
1051 assert(type != EXPR_TRUEFALSE || val == 0 || val == 1);
1052 e->is_const = TRUE;
1053 e->cval = val;
1054 }
1055 return e;
1056 }
1057
1058 static expr_t *make_exprd(enum expr_type type, double val)
1059 {
1060 expr_t *e = xmalloc(sizeof(expr_t));
1061 e->type = type;
1062 e->ref = NULL;
1063 e->u.dval = val;
1064 e->is_const = TRUE;
1065 e->cval = val;
1066 return e;
1067 }
1068
1069 static expr_t *make_exprs(enum expr_type type, char *val)
1070 {
1071 expr_t *e;
1072 e = xmalloc(sizeof(expr_t));
1073 e->type = type;
1074 e->ref = NULL;
1075 e->u.sval = val;
1076 e->is_const = FALSE;
1077 /* check for predefined constants */
1078 if (type == EXPR_IDENTIFIER) {
1079 var_t *c = find_const(val, 0);
1080 if (c) {
1081 e->u.sval = c->name;
1082 free(val);
1083 e->is_const = TRUE;
1084 e->cval = c->eval->cval;
1085 }
1086 }
1087 return e;
1088 }
1089
1090 static expr_t *make_exprt(enum expr_type type, type_t *tref, expr_t *expr)
1091 {
1092 expr_t *e;
1093 e = xmalloc(sizeof(expr_t));
1094 e->type = type;
1095 e->ref = expr;
1096 e->u.tref = tref;
1097 e->is_const = FALSE;
1098 /* check for cast of constant expression */
1099 if (type == EXPR_SIZEOF) {
1100 switch (tref->type) {
1101 case RPC_FC_BYTE:
1102 case RPC_FC_CHAR:
1103 case RPC_FC_SMALL:
1104 case RPC_FC_USMALL:
1105 e->is_const = TRUE;
1106 e->cval = 1;
1107 break;
1108 case RPC_FC_WCHAR:
1109 case RPC_FC_USHORT:
1110 case RPC_FC_SHORT:
1111 e->is_const = TRUE;
1112 e->cval = 2;
1113 break;
1114 case RPC_FC_LONG:
1115 case RPC_FC_ULONG:
1116 case RPC_FC_FLOAT:
1117 case RPC_FC_ERROR_STATUS_T:
1118 e->is_const = TRUE;
1119 e->cval = 4;
1120 break;
1121 case RPC_FC_HYPER:
1122 case RPC_FC_DOUBLE:
1123 e->is_const = TRUE;
1124 e->cval = 8;
1125 break;
1126 }
1127 }
1128 if (type == EXPR_CAST && expr->is_const) {
1129 e->is_const = TRUE;
1130 e->cval = expr->cval;
1131 }
1132 return e;
1133 }
1134
1135 static expr_t *make_expr1(enum expr_type type, expr_t *expr)
1136 {
1137 expr_t *e;
1138 e = xmalloc(sizeof(expr_t));
1139 e->type = type;
1140 e->ref = expr;
1141 e->u.lval = 0;
1142 e->is_const = FALSE;
1143 /* check for compile-time optimization */
1144 if (expr->is_const) {
1145 e->is_const = TRUE;
1146 switch (type) {
1147 case EXPR_NEG:
1148 e->cval = -expr->cval;
1149 break;
1150 case EXPR_NOT:
1151 e->cval = ~expr->cval;
1152 break;
1153 default:
1154 e->is_const = FALSE;
1155 break;
1156 }
1157 }
1158 return e;
1159 }
1160
1161 static expr_t *make_expr2(enum expr_type type, expr_t *expr1, expr_t *expr2)
1162 {
1163 expr_t *e;
1164 e = xmalloc(sizeof(expr_t));
1165 e->type = type;
1166 e->ref = expr1;
1167 e->u.ext = expr2;
1168 e->is_const = FALSE;
1169 /* check for compile-time optimization */
1170 if (expr1->is_const && expr2->is_const) {
1171 e->is_const = TRUE;
1172 switch (type) {
1173 case EXPR_ADD:
1174 e->cval = expr1->cval + expr2->cval;
1175 break;
1176 case EXPR_SUB:
1177 e->cval = expr1->cval - expr2->cval;
1178 break;
1179 case EXPR_MUL:
1180 e->cval = expr1->cval * expr2->cval;
1181 break;
1182 case EXPR_DIV:
1183 e->cval = expr1->cval / expr2->cval;
1184 break;
1185 case EXPR_OR:
1186 e->cval = expr1->cval | expr2->cval;
1187 break;
1188 case EXPR_AND:
1189 e->cval = expr1->cval & expr2->cval;
1190 break;
1191 case EXPR_SHL:
1192 e->cval = expr1->cval << expr2->cval;
1193 break;
1194 case EXPR_SHR:
1195 e->cval = expr1->cval >> expr2->cval;
1196 break;
1197 default:
1198 e->is_const = FALSE;
1199 break;
1200 }
1201 }
1202 return e;
1203 }
1204
1205 static expr_t *make_expr3(enum expr_type type, expr_t *expr1, expr_t *expr2, expr_t *expr3)
1206 {
1207 expr_t *e;
1208 e = xmalloc(sizeof(expr_t));
1209 e->type = type;
1210 e->ref = expr1;
1211 e->u.ext = expr2;
1212 e->ext2 = expr3;
1213 e->is_const = FALSE;
1214 /* check for compile-time optimization */
1215 if (expr1->is_const && expr2->is_const && expr3->is_const) {
1216 e->is_const = TRUE;
1217 switch (type) {
1218 case EXPR_COND:
1219 e->cval = expr1->cval ? expr2->cval : expr3->cval;
1220 break;
1221 default:
1222 e->is_const = FALSE;
1223 break;
1224 }
1225 }
1226 return e;
1227 }
1228
1229 static expr_list_t *append_expr(expr_list_t *list, expr_t *expr)
1230 {
1231 if (!expr) return list;
1232 if (!list)
1233 {
1234 list = xmalloc( sizeof(*list) );
1235 list_init( list );
1236 }
1237 list_add_tail( list, &expr->entry );
1238 return list;
1239 }
1240
1241 static array_dims_t *append_array(array_dims_t *list, expr_t *expr)
1242 {
1243 if (!expr) return list;
1244 if (!list)
1245 {
1246 list = xmalloc( sizeof(*list) );
1247 list_init( list );
1248 }
1249 list_add_tail( list, &expr->entry );
1250 return list;
1251 }
1252
1253 static struct list type_pool = LIST_INIT(type_pool);
1254 typedef struct
1255 {
1256 type_t data;
1257 struct list link;
1258 } type_pool_node_t;
1259
1260 type_t *alloc_type(void)
1261 {
1262 type_pool_node_t *node = xmalloc(sizeof *node);
1263 list_add_tail(&type_pool, &node->link);
1264 return &node->data;
1265 }
1266
1267 void set_all_tfswrite(int val)
1268 {
1269 type_pool_node_t *node;
1270 LIST_FOR_EACH_ENTRY(node, &type_pool, type_pool_node_t, link)
1271 node->data.tfswrite = val;
1272 }
1273
1274 static type_t *make_type(unsigned char type, type_t *ref)
1275 {
1276 type_t *t = alloc_type();
1277 t->name = NULL;
1278 t->kind = TKIND_PRIMITIVE;
1279 t->type = type;
1280 t->ref = ref;
1281 t->attrs = NULL;
1282 t->orig = NULL;
1283 t->funcs = NULL;
1284 t->fields = NULL;
1285 t->ifaces = NULL;
1286 t->dim = 0;
1287 t->size_is = NULL;
1288 t->length_is = NULL;
1289 t->typestring_offset = 0;
1290 t->ptrdesc = 0;
1291 t->declarray = FALSE;
1292 t->ignore = (parse_only != 0);
1293 t->is_const = FALSE;
1294 t->sign = 0;
1295 t->defined = FALSE;
1296 t->written = FALSE;
1297 t->user_types_registered = FALSE;
1298 t->tfswrite = FALSE;
1299 t->typelib_idx = -1;
1300 return t;
1301 }
1302
1303 static void set_type(var_t *v, type_t *type, int ptr_level, array_dims_t *arr,
1304 int top)
1305 {
1306 expr_list_t *sizes = get_attrp(v->attrs, ATTR_SIZEIS);
1307 expr_list_t *lengs = get_attrp(v->attrs, ATTR_LENGTHIS);
1308 int ptr_attr = get_attrv(v->attrs, ATTR_POINTERTYPE);
1309 int ptr_type = ptr_attr;
1310 int sizeless, has_varconf;
1311 expr_t *dim;
1312 type_t *atype, **ptype;
1313
1314 v->type = type;
1315
1316 if (!ptr_type && top)
1317 ptr_type = RPC_FC_RP;
1318
1319 for ( ; 0 < ptr_level; --ptr_level)
1320 {
1321 v->type = make_type(pointer_default, v->type);
1322 if (ptr_level == 1 && ptr_type && !arr)
1323 {
1324 v->type->type = ptr_type;
1325 ptr_type = 0;
1326 }
1327 }
1328
1329 if (ptr_type)
1330 {
1331 if (is_ptr(v->type))
1332 {
1333 if (v->type->type != ptr_type)
1334 {
1335 v->type = duptype(v->type, 1);
1336 v->type->type = ptr_type;
1337 }
1338 }
1339 else if (!arr && ptr_attr)
1340 error("%s: pointer attribute applied to non-pointer type\n", v->name);
1341 }
1342
1343 sizeless = FALSE;
1344 if (arr) LIST_FOR_EACH_ENTRY_REV(dim, arr, expr_t, entry)
1345 {
1346 if (sizeless)
1347 error("%s: only the first array dimension can be unspecified\n", v->name);
1348
1349 if (dim->is_const)
1350 {
1351 unsigned int align = 0;
1352 size_t size = type_memsize(v->type, &align);
1353
1354 if (dim->cval <= 0)
1355 error("%s: array dimension must be positive\n", v->name);
1356
1357 if (0xffffffffuL / size < (unsigned long) dim->cval)
1358 error("%s: total array size is too large\n", v->name);
1359 else if (0xffffuL < size * dim->cval)
1360 v->type = make_type(RPC_FC_LGFARRAY, v->type);
1361 else
1362 v->type = make_type(RPC_FC_SMFARRAY, v->type);
1363 }
1364 else
1365 {
1366 sizeless = TRUE;
1367 v->type = make_type(RPC_FC_CARRAY, v->type);
1368 }
1369
1370 v->type->declarray = TRUE;
1371 v->type->dim = dim->cval;
1372 }
1373
1374 ptype = &v->type;
1375 has_varconf = FALSE;
1376 if (sizes) LIST_FOR_EACH_ENTRY(dim, sizes, expr_t, entry)
1377 {
1378 if (dim->type != EXPR_VOID)
1379 {
1380 has_varconf = TRUE;
1381 atype = *ptype = duptype(*ptype, 0);
1382
1383 if (atype->type == RPC_FC_SMFARRAY || atype->type == RPC_FC_LGFARRAY)
1384 error("%s: cannot specify size_is for a fixed sized array\n", v->name);
1385
1386 if (atype->type != RPC_FC_CARRAY && !is_ptr(atype))
1387 error("%s: size_is attribute applied to illegal type\n", v->name);
1388
1389 atype->type = RPC_FC_CARRAY;
1390 atype->size_is = dim;
1391 }
1392
1393 ptype = &(*ptype)->ref;
1394 if (*ptype == NULL)
1395 error("%s: too many expressions in size_is attribute\n", v->name);
1396 }
1397
1398 ptype = &v->type;
1399 if (lengs) LIST_FOR_EACH_ENTRY(dim, lengs, expr_t, entry)
1400 {
1401 if (dim->type != EXPR_VOID)
1402 {
1403 has_varconf = TRUE;
1404 atype = *ptype = duptype(*ptype, 0);
1405
1406 if (atype->type == RPC_FC_SMFARRAY)
1407 atype->type = RPC_FC_SMVARRAY;
1408 else if (atype->type == RPC_FC_LGFARRAY)
1409 atype->type = RPC_FC_LGVARRAY;
1410 else if (atype->type == RPC_FC_CARRAY)
1411 atype->type = RPC_FC_CVARRAY;
1412 else
1413 error("%s: length_is attribute applied to illegal type\n", v->name);
1414
1415 atype->length_is = dim;
1416 }
1417
1418 ptype = &(*ptype)->ref;
1419 if (*ptype == NULL)
1420 error("%s: too many expressions in length_is attribute\n", v->name);
1421 }
1422
1423 if (has_varconf && !last_array(v->type))
1424 {
1425 ptype = &v->type;
1426 for (ptype = &v->type; is_array(*ptype); ptype = &(*ptype)->ref)
1427 {
1428 *ptype = duptype(*ptype, 0);
1429 (*ptype)->type = RPC_FC_BOGUS_ARRAY;
1430 }
1431 }
1432
1433 if (is_array(v->type))
1434 {
1435 const type_t *rt = v->type->ref;
1436 switch (rt->type)
1437 {
1438 case RPC_FC_BOGUS_STRUCT:
1439 case RPC_FC_NON_ENCAPSULATED_UNION:
1440 case RPC_FC_ENCAPSULATED_UNION:
1441 case RPC_FC_ENUM16:
1442 v->type->type = RPC_FC_BOGUS_ARRAY;
1443 break;
1444 /* FC_RP should be above, but widl overuses these, and will break things. */
1445 case RPC_FC_UP:
1446 case RPC_FC_RP:
1447 if (rt->ref->type == RPC_FC_IP)
1448 v->type->type = RPC_FC_BOGUS_ARRAY;
1449 break;
1450 default:
1451 if (is_user_type(rt))
1452 v->type->type = RPC_FC_BOGUS_ARRAY;
1453 }
1454 }
1455 }
1456
1457 static ifref_list_t *append_ifref(ifref_list_t *list, ifref_t *iface)
1458 {
1459 if (!iface) return list;
1460 if (!list)
1461 {
1462 list = xmalloc( sizeof(*list) );
1463 list_init( list );
1464 }
1465 list_add_tail( list, &iface->entry );
1466 return list;
1467 }
1468
1469 static ifref_t *make_ifref(type_t *iface)
1470 {
1471 ifref_t *l = xmalloc(sizeof(ifref_t));
1472 l->iface = iface;
1473 l->attrs = NULL;
1474 return l;
1475 }
1476
1477 static var_list_t *append_var(var_list_t *list, var_t *var)
1478 {
1479 if (!var) return list;
1480 if (!list)
1481 {
1482 list = xmalloc( sizeof(*list) );
1483 list_init( list );
1484 }
1485 list_add_tail( list, &var->entry );
1486 return list;
1487 }
1488
1489 static var_t *make_var(char *name)
1490 {
1491 var_t *v = xmalloc(sizeof(var_t));
1492 v->name = name;
1493 v->type = NULL;
1494 v->args = NULL;
1495 v->attrs = NULL;
1496 v->eval = NULL;
1497 return v;
1498 }
1499
1500 static pident_list_t *append_pident(pident_list_t *list, pident_t *p)
1501 {
1502 if (!p) return list;
1503 if (!list) {
1504 list = xmalloc(sizeof(*list));
1505 list_init(list);
1506 }
1507 list_add_tail(list, &p->entry);
1508 return list;
1509 }
1510
1511 static pident_t *make_pident(var_t *var)
1512 {
1513 pident_t *p = xmalloc(sizeof(*p));
1514 p->var = var;
1515 p->ptr_level = 0;
1516 return p;
1517 }
1518
1519 static func_list_t *append_func(func_list_t *list, func_t *func)
1520 {
1521 if (!func) return list;
1522 if (!list)
1523 {
1524 list = xmalloc( sizeof(*list) );
1525 list_init( list );
1526 }
1527 list_add_tail( list, &func->entry );
1528 return list;
1529 }
1530
1531 static func_t *make_func(var_t *def, var_list_t *args)
1532 {
1533 func_t *f = xmalloc(sizeof(func_t));
1534 f->def = def;
1535 f->args = args;
1536 f->ignore = parse_only;
1537 f->idx = -1;
1538 return f;
1539 }
1540
1541 static type_t *make_class(char *name)
1542 {
1543 type_t *c = make_type(0, NULL);
1544 c->name = name;
1545 c->kind = TKIND_COCLASS;
1546 return c;
1547 }
1548
1549 static type_t *make_safearray(type_t *type)
1550 {
1551 type_t *sa = duptype(find_type("SAFEARRAY", 0), 1);
1552 sa->ref = type;
1553 return make_type(pointer_default, sa);
1554 }
1555
1556 #define HASHMAX 64
1557
1558 static int hash_ident(const char *name)
1559 {
1560 const char *p = name;
1561 int sum = 0;
1562 /* a simple sum hash is probably good enough */
1563 while (*p) {
1564 sum += *p;
1565 p++;
1566 }
1567 return sum & (HASHMAX-1);
1568 }
1569
1570 /***** type repository *****/
1571
1572 struct rtype {
1573 const char *name;
1574 type_t *type;
1575 int t;
1576 struct rtype *next;
1577 };
1578
1579 struct rtype *type_hash[HASHMAX];
1580
1581 static type_t *reg_type(type_t *type, const char *name, int t)
1582 {
1583 struct rtype *nt;
1584 int hash;
1585 if (!name) {
1586 yyerror("registering named type without name");
1587 return type;
1588 }
1589 hash = hash_ident(name);
1590 nt = xmalloc(sizeof(struct rtype));
1591 nt->name = name;
1592 nt->type = type;
1593 nt->t = t;
1594 nt->next = type_hash[hash];
1595 type_hash[hash] = nt;
1596 return type;
1597 }
1598
1599 static int is_incomplete(const type_t *t)
1600 {
1601 return !t->defined && (is_struct(t->type) || is_union(t->type));
1602 }
1603
1604 static void add_incomplete(type_t *t)
1605 {
1606 struct typenode *tn = xmalloc(sizeof *tn);
1607 tn->type = t;
1608 list_add_tail(&incomplete_types, &tn->entry);
1609 }
1610
1611 static void fix_type(type_t *t)
1612 {
1613 if (t->kind == TKIND_ALIAS && is_incomplete(t)) {
1614 type_t *ot = t->orig;
1615 fix_type(ot);
1616 t->fields = ot->fields;
1617 t->defined = ot->defined;
1618 }
1619 }
1620
1621 static void fix_incomplete(void)
1622 {
1623 struct typenode *tn, *next;
1624
1625 LIST_FOR_EACH_ENTRY_SAFE(tn, next, &incomplete_types, struct typenode, entry) {
1626 fix_type(tn->type);
1627 free(tn);
1628 }
1629 }
1630
1631 static type_t *reg_typedefs(type_t *type, pident_list_t *pidents, attr_list_t *attrs)
1632 {
1633 type_t *ptr = type;
1634 const pident_t *pident;
1635 int ptrc = 0;
1636 int is_str = is_attr(attrs, ATTR_STRING);
1637 unsigned char ptr_type = get_attrv(attrs, ATTR_POINTERTYPE);
1638
1639 if (is_str)
1640 {
1641 type_t *t = type;
1642 unsigned char c;
1643
1644 while (is_ptr(t))
1645 t = t->ref;
1646
1647 c = t->type;
1648 if (c != RPC_FC_CHAR && c != RPC_FC_BYTE && c != RPC_FC_WCHAR)
1649 {
1650 pident = LIST_ENTRY( list_head( pidents ), const pident_t, entry );
1651 yyerror("'%s': [string] attribute is only valid on 'char', 'byte', or 'wchar_t' pointers and arrays",
1652 pident->var->name);
1653 }
1654 }
1655
1656 /* We must generate names for tagless enum, struct or union.
1657 Typedef-ing a tagless enum, struct or union means we want the typedef
1658 to be included in a library whether it has other attributes or not,
1659 hence the public attribute. */
1660 if ((type->kind == TKIND_ENUM || type->kind == TKIND_RECORD
1661 || type->kind == TKIND_UNION) && ! type->name && ! parse_only)
1662 {
1663 if (! is_attr(attrs, ATTR_PUBLIC))
1664 attrs = append_attr( attrs, make_attr(ATTR_PUBLIC) );
1665 type->name = gen_name();
1666 }
1667
1668 LIST_FOR_EACH_ENTRY( pident, pidents, const pident_t, entry )
1669 {
1670 var_t *name = pident->var;
1671
1672 if (name->name) {
1673 type_t *cur = ptr;
1674 int cptr = pident->ptr_level;
1675 if (cptr > ptrc) {
1676 while (cptr > ptrc) {
1677 cur = ptr = make_type(pointer_default, cur);
1678 ptrc++;
1679 }
1680 } else {
1681 while (cptr < ptrc) {
1682 cur = cur->ref;
1683 cptr++;
1684 }
1685 }
1686 cur = alias(cur, name->name);
1687 cur->attrs = attrs;
1688 if (ptr_type)
1689 {
1690 if (is_ptr(cur))
1691 cur->type = ptr_type;
1692 else
1693 yyerror("'%s': pointer attribute applied to non-pointer type",
1694 cur->name);
1695 }
1696 else if (is_str && ! is_ptr(cur))
1697 yyerror("'%s': [string] attribute applied to non-pointer type",
1698 cur->name);
1699
1700 if (is_incomplete(cur))
1701 add_incomplete(cur);
1702 reg_type(cur, cur->name, 0);
1703 }
1704 }
1705 return type;
1706 }
1707
1708 static type_t *find_type(const char *name, int t)
1709 {
1710 struct rtype *cur = type_hash[hash_ident(name)];
1711 while (cur && (cur->t != t || strcmp(cur->name, name)))
1712 cur = cur->next;
1713 if (!cur) {
1714 yyerror("type '%s' not found", name);
1715 return NULL;
1716 }
1717 return cur->type;
1718 }
1719
1720 static type_t *find_type2(char *name, int t)
1721 {
1722 type_t *tp = find_type(name, t);
1723 free(name);
1724 return tp;
1725 }
1726
1727 int is_type(const char *name)
1728 {
1729 struct rtype *cur = type_hash[hash_ident(name)];
1730 while (cur && (cur->t || strcmp(cur->name, name)))
1731 cur = cur->next;
1732 if (cur) return TRUE;
1733 return FALSE;
1734 }
1735
1736 static type_t *get_type(unsigned char type, char *name, int t)
1737 {
1738 struct rtype *cur = NULL;
1739 type_t *tp;
1740 if (name) {
1741 cur = type_hash[hash_ident(name)];
1742 while (cur && (cur->t != t || strcmp(cur->name, name)))
1743 cur = cur->next;
1744 }
1745 if (cur) {
1746 free(name);
1747 return cur->type;
1748 }
1749 tp = make_type(type, NULL);
1750 tp->name = name;
1751 if (!name) return tp;
1752 return reg_type(tp, name, t);
1753 }
1754
1755 static type_t *get_typev(unsigned char type, var_t *name, int t)
1756 {
1757 char *sname = NULL;
1758 if (name) {
1759 sname = name->name;
1760 free(name);
1761 }
1762 return get_type(type, sname, t);
1763 }
1764
1765 static int get_struct_type(var_list_t *fields)
1766 {
1767 int has_pointer = 0;
1768 int has_conformance = 0;
1769 int has_variance = 0;
1770 var_t *field;
1771
1772 if (get_padding(fields))
1773 return RPC_FC_BOGUS_STRUCT;
1774
1775 if (fields) LIST_FOR_EACH_ENTRY( field, fields, var_t, entry )
1776 {
1777 type_t *t = field->type;
1778
1779 if (is_user_type(t))
1780 return RPC_FC_BOGUS_STRUCT;
1781
1782 if (is_ptr(t))
1783 {
1784 do
1785 t = t->ref;
1786 while (is_ptr(t));
1787
1788 switch (t->type)
1789 {
1790 case RPC_FC_IP:
1791 case RPC_FC_ENCAPSULATED_UNION:
1792 case RPC_FC_NON_ENCAPSULATED_UNION:
1793 case RPC_FC_BOGUS_STRUCT:
1794 return RPC_FC_BOGUS_STRUCT;
1795 }
1796
1797 has_pointer = 1;
1798 continue;
1799 }
1800
1801 if (field->type->declarray)
1802 {
1803 if (is_string_type(field->attrs, field->type))
1804 {
1805 if (is_conformant_array(field->type))
1806 has_conformance = 1;
1807 has_variance = 1;
1808 continue;
1809 }
1810
1811 if (is_array(field->type->ref))
1812 return RPC_FC_BOGUS_STRUCT;
1813
1814 if (is_conformant_array(field->type))
1815 {
1816 has_conformance = 1;
1817 if (field->type->declarray && list_next(fields, &field->entry))
1818 yyerror("field '%s' deriving from a conformant array must be the last field in the structure",
1819 field->name);
1820 }
1821 if (field->type->length_is)
1822 has_variance = 1;
1823
1824 t = field->type->ref;
1825 }
1826
1827 switch (t->type)
1828 {
1829 /*
1830 * RPC_FC_BYTE, RPC_FC_STRUCT, etc
1831 * Simple types don't effect the type of struct.
1832 * A struct containing a simple struct is still a simple struct.
1833 * So long as we can block copy the data, we return RPC_FC_STRUCT.
1834 */
1835 case 0: /* void pointer */
1836 case RPC_FC_BYTE:
1837 case RPC_FC_CHAR:
1838 case RPC_FC_SMALL:
1839 case RPC_FC_USMALL:
1840 case RPC_FC_WCHAR:
1841 case RPC_FC_SHORT:
1842 case RPC_FC_USHORT:
1843 case RPC_FC_LONG:
1844 case RPC_FC_ULONG:
1845 case RPC_FC_INT3264:
1846 case RPC_FC_UINT3264:
1847 case RPC_FC_HYPER:
1848 case RPC_FC_FLOAT:
1849 case RPC_FC_DOUBLE:
1850 case RPC_FC_STRUCT:
1851 case RPC_FC_ENUM16:
1852 case RPC_FC_ENUM32:
1853 break;
1854
1855 case RPC_FC_RP:
1856 case RPC_FC_UP:
1857 case RPC_FC_FP:
1858 case RPC_FC_OP:
1859 case RPC_FC_CARRAY:
1860 case RPC_FC_CVARRAY:
1861 has_pointer = 1;
1862 break;
1863
1864 /*
1865 * Propagate member attributes
1866 * a struct should be at least as complex as its member
1867 */
1868 case RPC_FC_CVSTRUCT:
1869 has_conformance = 1;
1870 has_variance = 1;
1871 has_pointer = 1;
1872 break;
1873
1874 case RPC_FC_CPSTRUCT:
1875 has_conformance = 1;
1876 if (list_next( fields, &field->entry ))
1877 yyerror("field '%s' deriving from a conformant array must be the last field in the structure",
1878 field->name);
1879 has_pointer = 1;
1880 break;
1881
1882 case RPC_FC_CSTRUCT:
1883 has_conformance = 1;
1884 if (list_next( fields, &field->entry ))
1885 yyerror("field '%s' deriving from a conformant array must be the last field in the structure",
1886 field->name);
1887 break;
1888
1889 case RPC_FC_PSTRUCT:
1890 has_pointer = 1;
1891 break;
1892
1893 default:
1894 fprintf(stderr,"Unknown struct member %s with type (0x%02x)\n",
1895 field->name, t->type);
1896 /* fallthru - treat it as complex */
1897
1898 /* as soon as we see one of these these members, it's bogus... */
1899 case RPC_FC_IP:
1900 case RPC_FC_ENCAPSULATED_UNION:
1901 case RPC_FC_NON_ENCAPSULATED_UNION:
1902 case RPC_FC_TRANSMIT_AS:
1903 case RPC_FC_REPRESENT_AS:
1904 case RPC_FC_PAD:
1905 case RPC_FC_EMBEDDED_COMPLEX:
1906 case RPC_FC_BOGUS_STRUCT:
1907 case RPC_FC_BOGUS_ARRAY:
1908 return RPC_FC_BOGUS_STRUCT;
1909 }
1910 }
1911
1912 if( has_variance )
1913 {
1914 if ( has_conformance )
1915 return RPC_FC_CVSTRUCT;
1916 else
1917 return RPC_FC_BOGUS_STRUCT;
1918 }
1919 if( has_conformance && has_pointer )
1920 return RPC_FC_CPSTRUCT;
1921 if( has_conformance )
1922 return RPC_FC_CSTRUCT;
1923 if( has_pointer )
1924 return RPC_FC_PSTRUCT;
1925 return RPC_FC_STRUCT;
1926 }
1927
1928 /***** constant repository *****/
1929
1930 struct rconst {
1931 char *name;
1932 var_t *var;
1933 struct rconst *next;
1934 };
1935
1936 struct rconst *const_hash[HASHMAX];
1937
1938 static var_t *reg_const(var_t *var)
1939 {
1940 struct rconst *nc;
1941 int hash;
1942 if (!var->name) {
1943 yyerror("registering constant without name");
1944 return var;
1945 }
1946 hash = hash_ident(var->name);
1947 nc = xmalloc(sizeof(struct rconst));
1948 nc->name = var->name;
1949 nc->var = var;
1950 nc->next = const_hash[hash];
1951 const_hash[hash] = nc;
1952 return var;
1953 }
1954
1955 static var_t *find_const(char *name, int f)
1956 {
1957 struct rconst *cur = const_hash[hash_ident(name)];
1958 while (cur && strcmp(cur->name, name))
1959 cur = cur->next;
1960 if (!cur) {
1961 if (f) yyerror("constant '%s' not found", name);
1962 return NULL;
1963 }
1964 return cur->var;
1965 }
1966
1967 static void write_libid(const char *name, const attr_list_t *attr)
1968 {
1969 const UUID *uuid = get_attrp(attr, ATTR_UUID);
1970 write_guid(idfile, "LIBID", name, uuid);
1971 }
1972
1973 static void write_clsid(type_t *cls)
1974 {
1975 const UUID *uuid = get_attrp(cls->attrs, ATTR_UUID);
1976 write_guid(idfile, "CLSID", cls->name, uuid);
1977 }
1978
1979 static void write_diid(type_t *iface)
1980 {
1981 const UUID *uuid = get_attrp(iface->attrs, ATTR_UUID);
1982 write_guid(idfile, "DIID", iface->name, uuid);
1983 }
1984
1985 static void write_iid(type_t *iface)
1986 {
1987 const UUID *uuid = get_attrp(iface->attrs, ATTR_UUID);
1988 write_guid(idfile, "IID", iface->name, uuid);
1989 }
1990
1991 static int compute_method_indexes(type_t *iface)
1992 {
1993 int idx;
1994 func_t *f;
1995
1996 if (iface->ref)
1997 idx = compute_method_indexes(iface->ref);
1998 else
1999 idx = 0;
2000
2001 if (!iface->funcs)
2002 return idx;
2003
2004 LIST_FOR_EACH_ENTRY( f, iface->funcs, func_t, entry )
2005 if (! is_callas(f->def->attrs))
2006 f->idx = idx++;
2007
2008 return idx;
2009 }
2010
2011 static char *gen_name(void)
2012 {
2013 static const char format[] = "__WIDL_%s_generated_name_%08lX";
2014 static unsigned long n = 0;
2015 static const char *file_id;
2016 static size_t size;
2017 char *name;
2018
2019 if (! file_id)
2020 {
2021 char *dst = dup_basename(input_name, ".idl");
2022 file_id = dst;
2023
2024 for (; *dst; ++dst)
2025 if (! isalnum((unsigned char) *dst))
2026 *dst = '_';
2027
2028 size = sizeof format - 7 + strlen(file_id) + 8;
2029 }
2030
2031 name = xmalloc(size);
2032 sprintf(name, format, file_id, n++);
2033 return name;
2034 }
2035
2036 static void process_typedefs(pident_list_t *pidents)
2037 {
2038 pident_t *pident, *next;
2039
2040 if (!pidents) return;
2041 LIST_FOR_EACH_ENTRY_SAFE( pident, next, pidents, pident_t, entry )
2042 {
2043 var_t *var = pident->var;
2044 type_t *type = find_type(var->name, 0);
2045
2046 if (! parse_only && do_header)
2047 write_typedef(type);
2048 if (in_typelib && type->attrs)
2049 add_typelib_entry(type);
2050
2051 free(pident);
2052 free(var);
2053 }
2054 }
2055
2056 static void check_arg(var_t *arg)
2057 {
2058 type_t *t = arg->type;
2059
2060 if (t->type == 0 && ! is_var_ptr(arg))
2061 yyerror("argument '%s' has void type", arg->name);
2062 }
2063
2064 static void check_all_user_types(ifref_list_t *ifrefs)
2065 {
2066 const ifref_t *ifref;
2067 const func_t *f;
2068
2069 if (ifrefs) LIST_FOR_EACH_ENTRY(ifref, ifrefs, const ifref_t, entry)
2070 {
2071 const func_list_t *fs = ifref->iface->funcs;
2072 if (fs) LIST_FOR_EACH_ENTRY(f, fs, const func_t, entry)
2073 check_for_user_types_and_context_handles(f->args);
2074 }
2075 }
2076
2077 int is_valid_uuid(const char *s)
2078 {
2079 int i;
2080
2081 for (i = 0; i < 36; ++i)
2082 if (i == 8 || i == 13 || i == 18 || i == 23)
2083 {
2084 if (s[i] != '-')
2085 return FALSE;
2086 }
2087 else
2088 if (!isxdigit(s[i]))
2089 return FALSE;
2090
2091 return s[i] == '\0';
2092 }