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push dddc6f7b99871139095e3e38a0fd527b00bacc91
[wine/hacks.git] / tools / widl / parser.y
blob3d643c1a15aa7d91ba559b31648ed7878b98d02d
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 write_dlldata($1);
292 }
293 ;
294
295 gbl_statements: { $$ = NULL; }
296 | gbl_statements interfacedec { $$ = $1; }
297 | gbl_statements interfacedef { $$ = append_ifref( $1, make_ifref($2) ); }
298 | gbl_statements coclass ';' { $$ = $1;
299 reg_type($2, $2->name, 0);
300 if (!parse_only && do_header) write_coclass_forward($2);
301 }
302 | gbl_statements coclassdef { $$ = $1;
303 add_typelib_entry($2);
304 reg_type($2, $2->name, 0);
305 if (!parse_only && do_header) write_coclass_forward($2);
306 }
307 | gbl_statements moduledef { $$ = $1; add_typelib_entry($2); }
308 | gbl_statements librarydef { $$ = $1; }
309 | gbl_statements statement { $$ = $1; }
310 ;
311
312 imp_statements: {}
313 | imp_statements interfacedec { if (!parse_only) add_typelib_entry($2); }
314 | imp_statements interfacedef { if (!parse_only) add_typelib_entry($2); }
315 | imp_statements coclass ';' { reg_type($2, $2->name, 0); if (!parse_only && do_header) write_coclass_forward($2); }
316 | imp_statements coclassdef { if (!parse_only) add_typelib_entry($2);
317 reg_type($2, $2->name, 0);
318 if (!parse_only && do_header) write_coclass_forward($2);
319 }
320 | imp_statements moduledef { if (!parse_only) add_typelib_entry($2); }
321 | imp_statements statement {}
322 | imp_statements importlib {}
323 ;
324
325 int_statements: { $$ = NULL; }
326 | int_statements funcdef ';' { $$ = append_func( $1, $2 ); }
327 | int_statements statement { $$ = $1; }
328 ;
329
330 statement: ';' {}
331 | constdef ';' { if (!parse_only && do_header) { write_constdef($1); } }
332 | cppquote {}
333 | enumdef ';' { if (!parse_only && do_header) {
334 write_type_def_or_decl(header, $1, FALSE, NULL);
335 fprintf(header, ";\n\n");
336 }
337 }
338 | externdef ';' { if (!parse_only && do_header) { write_externdef($1); } }
339 | import {}
340 | structdef ';' { if (!parse_only && do_header) {
341 write_type_def_or_decl(header, $1, FALSE, NULL);
342 fprintf(header, ";\n\n");
343 }
344 }
345 | typedef ';' {}
346 | uniondef ';' { if (!parse_only && do_header) {
347 write_type_def_or_decl(header, $1, FALSE, NULL);
348 fprintf(header, ";\n\n");
349 }
350 }
351 ;
352
353 cppquote: tCPPQUOTE '(' aSTRING ')' { if (!parse_only && do_header) fprintf(header, "%s\n", $3); }
354 ;
355 import_start: tIMPORT aSTRING ';' { assert(yychar == YYEMPTY);
356 if (!do_import($2)) yychar = aEOF; }
357 ;
358 import: import_start imp_statements aEOF {}
359 ;
360
361 importlib: tIMPORTLIB '(' aSTRING ')' { if(!parse_only) add_importlib($3); }
362 ;
363
364 libraryhdr: tLIBRARY aIDENTIFIER { $$ = $2; }
365 ;
366 library_start: attributes libraryhdr '{' { start_typelib($2, $1);
367 if (!parse_only && do_header) write_library($2, $1);
368 if (!parse_only && do_idfile) write_libid($2, $1);
369 }
370 ;
371 librarydef: library_start imp_statements '}' { end_typelib(); }
372 ;
373
374 m_args: { $$ = NULL; }
375 | args
376 ;
377
378 no_args: tVOID { $$ = NULL; }
379 ;
380
381 args: arg { check_arg($1); $$ = append_var( NULL, $1 ); }
382 | args ',' arg { check_arg($3); $$ = append_var( $1, $3); }
383 | no_args
384 ;
385
386 /* split into two rules to get bison to resolve a tVOID conflict */
387 arg: attributes type pident array { $$ = $3->var;
388 $$->attrs = $1;
389 set_type($$, $2, $3->ptr_level, $4, TRUE);
390 free($3);
391 }
392 | type pident array { $$ = $2->var;
393 set_type($$, $1, $2->ptr_level, $3, TRUE);
394 free($2);
395 }
396 | attributes type pident '(' m_args ')' { $$ = $3->var;
397 $$->attrs = $1;
398 set_type($$, $2, $3->ptr_level - 1, NULL, TRUE);
399 free($3);
400 $$->args = $5;
401 }
402 | type pident '(' m_args ')' { $$ = $2->var;
403 set_type($$, $1, $2->ptr_level - 1, NULL, TRUE);
404 free($2);
405 $$->args = $4;
406 }
407 ;
408
409 array: { $$ = NULL; }
410 | '[' array_list ']' { $$ = $2; }
411 | '[' '*' ']' { $$ = append_array( NULL, make_expr(EXPR_VOID) ); }
412 ;
413
414 array_list: m_expr /* size of first dimension is optional */ { $$ = append_array( NULL, $1 ); }
415 | array_list ',' expr { $$ = append_array( $1, $3 ); }
416 | array_list ']' '[' expr { $$ = append_array( $1, $4 ); }
417 ;
418
419 m_attributes: { $$ = NULL; }
420 | attributes
421 ;
422
423 attributes:
424 '[' attrib_list ']' { $$ = $2;
425 if (!$$)
426 error_loc("empty attribute lists unsupported\n");
427 }
428 ;
429
430 attrib_list: attribute { $$ = append_attr( NULL, $1 ); }
431 | attrib_list ',' attribute { $$ = append_attr( $1, $3 ); }
432 | attrib_list ']' '[' attribute { $$ = append_attr( $1, $4 ); }
433 ;
434
435 str_list: aSTRING { $$ = append_str( NULL, $1 ); }
436 | str_list ',' aSTRING { $$ = append_str( $1, $3 ); }
437 ;
438
439 attribute: { $$ = NULL; }
440 | tAGGREGATABLE { $$ = make_attr(ATTR_AGGREGATABLE); }
441 | tAPPOBJECT { $$ = make_attr(ATTR_APPOBJECT); }
442 | tASYNC { $$ = make_attr(ATTR_ASYNC); }
443 | tAUTOHANDLE { $$ = make_attr(ATTR_AUTO_HANDLE); }
444 | tBINDABLE { $$ = make_attr(ATTR_BINDABLE); }
445 | tCALLAS '(' ident ')' { $$ = make_attrp(ATTR_CALLAS, $3); }
446 | tCASE '(' expr_list_const ')' { $$ = make_attrp(ATTR_CASE, $3); }
447 | tCONTEXTHANDLE { $$ = make_attrv(ATTR_CONTEXTHANDLE, 0); }
448 | tCONTEXTHANDLENOSERIALIZE { $$ = make_attrv(ATTR_CONTEXTHANDLE, 0); /* RPC_CONTEXT_HANDLE_DONT_SERIALIZE */ }
449 | tCONTEXTHANDLESERIALIZE { $$ = make_attrv(ATTR_CONTEXTHANDLE, 0); /* RPC_CONTEXT_HANDLE_SERIALIZE */ }
450 | tCONTROL { $$ = make_attr(ATTR_CONTROL); }
451 | tDEFAULT { $$ = make_attr(ATTR_DEFAULT); }
452 | tDEFAULTCOLLELEM { $$ = make_attr(ATTR_DEFAULTCOLLELEM); }
453 | tDEFAULTVALUE '(' expr_const ')' { $$ = make_attrp(ATTR_DEFAULTVALUE_EXPR, $3); }
454 | tDEFAULTVALUE '(' aSTRING ')' { $$ = make_attrp(ATTR_DEFAULTVALUE_STRING, $3); }
455 | tDEFAULTVTABLE { $$ = make_attr(ATTR_DEFAULTVTABLE); }
456 | tDISPLAYBIND { $$ = make_attr(ATTR_DISPLAYBIND); }
457 | tDLLNAME '(' aSTRING ')' { $$ = make_attrp(ATTR_DLLNAME, $3); }
458 | tDUAL { $$ = make_attr(ATTR_DUAL); }
459 | tENDPOINT '(' str_list ')' { $$ = make_attrp(ATTR_ENDPOINT, $3); }
460 | tENTRY '(' aSTRING ')' { $$ = make_attrp(ATTR_ENTRY_STRING, $3); }
461 | tENTRY '(' expr_const ')' { $$ = make_attrp(ATTR_ENTRY_ORDINAL, $3); }
462 | tEXPLICITHANDLE { $$ = make_attr(ATTR_EXPLICIT_HANDLE); }
463 | tHANDLE { $$ = make_attr(ATTR_HANDLE); }
464 | tHELPCONTEXT '(' expr_const ')' { $$ = make_attrp(ATTR_HELPCONTEXT, $3); }
465 | tHELPFILE '(' aSTRING ')' { $$ = make_attrp(ATTR_HELPFILE, $3); }
466 | tHELPSTRING '(' aSTRING ')' { $$ = make_attrp(ATTR_HELPSTRING, $3); }
467 | tHELPSTRINGCONTEXT '(' expr_const ')' { $$ = make_attrp(ATTR_HELPSTRINGCONTEXT, $3); }
468 | tHELPSTRINGDLL '(' aSTRING ')' { $$ = make_attrp(ATTR_HELPSTRINGDLL, $3); }
469 | tHIDDEN { $$ = make_attr(ATTR_HIDDEN); }
470 | tID '(' expr_const ')' { $$ = make_attrp(ATTR_ID, $3); }
471 | tIDEMPOTENT { $$ = make_attr(ATTR_IDEMPOTENT); }
472 | tIIDIS '(' ident ')' { $$ = make_attrp(ATTR_IIDIS, $3); }
473 | tIMMEDIATEBIND { $$ = make_attr(ATTR_IMMEDIATEBIND); }
474 | tIMPLICITHANDLE '(' tHANDLET aIDENTIFIER ')' { $$ = make_attrp(ATTR_IMPLICIT_HANDLE, $4); }
475 | tIN { $$ = make_attr(ATTR_IN); }
476 | tINPUTSYNC { $$ = make_attr(ATTR_INPUTSYNC); }
477 | tLENGTHIS '(' m_exprs ')' { $$ = make_attrp(ATTR_LENGTHIS, $3); }
478 | tLOCAL { $$ = make_attr(ATTR_LOCAL); }
479 | tNONBROWSABLE { $$ = make_attr(ATTR_NONBROWSABLE); }
480 | tNONCREATABLE { $$ = make_attr(ATTR_NONCREATABLE); }
481 | tNONEXTENSIBLE { $$ = make_attr(ATTR_NONEXTENSIBLE); }
482 | tOBJECT { $$ = make_attr(ATTR_OBJECT); }
483 | tODL { $$ = make_attr(ATTR_ODL); }
484 | tOLEAUTOMATION { $$ = make_attr(ATTR_OLEAUTOMATION); }
485 | tOPTIONAL { $$ = make_attr(ATTR_OPTIONAL); }
486 | tOUT { $$ = make_attr(ATTR_OUT); }
487 | tPOINTERDEFAULT '(' pointer_type ')' { $$ = make_attrv(ATTR_POINTERDEFAULT, $3); }
488 | tPROPGET { $$ = make_attr(ATTR_PROPGET); }
489 | tPROPPUT { $$ = make_attr(ATTR_PROPPUT); }
490 | tPROPPUTREF { $$ = make_attr(ATTR_PROPPUTREF); }
491 | tPUBLIC { $$ = make_attr(ATTR_PUBLIC); }
492 | tRANGE '(' expr_const ',' expr_const ')' { expr_list_t *list = append_expr( NULL, $3 );
493 list = append_expr( list, $5 );
494 $$ = make_attrp(ATTR_RANGE, list); }
495 | tREADONLY { $$ = make_attr(ATTR_READONLY); }
496 | tREQUESTEDIT { $$ = make_attr(ATTR_REQUESTEDIT); }
497 | tRESTRICTED { $$ = make_attr(ATTR_RESTRICTED); }
498 | tRETVAL { $$ = make_attr(ATTR_RETVAL); }
499 | tSIZEIS '(' m_exprs ')' { $$ = make_attrp(ATTR_SIZEIS, $3); }
500 | tSOURCE { $$ = make_attr(ATTR_SOURCE); }
501 | tSTRING { $$ = make_attr(ATTR_STRING); }
502 | tSWITCHIS '(' expr ')' { $$ = make_attrp(ATTR_SWITCHIS, $3); }
503 | tSWITCHTYPE '(' type ')' { $$ = make_attrp(ATTR_SWITCHTYPE, $3); }
504 | tTRANSMITAS '(' type ')' { $$ = make_attrp(ATTR_TRANSMITAS, $3); }
505 | tUUID '(' uuid_string ')' { $$ = make_attrp(ATTR_UUID, $3); }
506 | tV1ENUM { $$ = make_attr(ATTR_V1ENUM); }
507 | tVARARG { $$ = make_attr(ATTR_VARARG); }
508 | tVERSION '(' version ')' { $$ = make_attrv(ATTR_VERSION, $3); }
509 | tWIREMARSHAL '(' type ')' { $$ = make_attrp(ATTR_WIREMARSHAL, $3); }
510 | pointer_type { $$ = make_attrv(ATTR_POINTERTYPE, $1); }
511 ;
512
513 uuid_string:
514 aUUID
515 | aSTRING { if (!is_valid_uuid($1))
516 error_loc("invalid UUID: %s\n", $1);
517 $$ = parse_uuid($1); }
518 ;
519
520 callconv:
521 | tSTDCALL
522 ;
523
524 cases: { $$ = NULL; }
525 | cases case { $$ = append_var( $1, $2 ); }
526 ;
527
528 case: tCASE expr ':' field { attr_t *a = make_attrp(ATTR_CASE, append_expr( NULL, $2 ));
529 $$ = $4; if (!$$) $$ = make_var(NULL);
530 $$->attrs = append_attr( $$->attrs, a );
531 }
532 | tDEFAULT ':' field { attr_t *a = make_attr(ATTR_DEFAULT);
533 $$ = $3; if (!$$) $$ = make_var(NULL);
534 $$->attrs = append_attr( $$->attrs, a );
535 }
536 ;
537
538 constdef: tCONST type ident '=' expr_const { $$ = reg_const($3);
539 set_type($$, $2, 0, NULL, FALSE);
540 $$->eval = $5;
541 }
542 ;
543
544 enums: { $$ = NULL; }
545 | enum_list ',' { $$ = $1; }
546 | enum_list
547 ;
548
549 enum_list: enum { if (!$1->eval)
550 $1->eval = make_exprl(EXPR_NUM, 0 /* default for first enum entry */);
551 $$ = append_var( NULL, $1 );
552 }
553 | enum_list ',' enum { if (!$3->eval)
554 {
555 var_t *last = LIST_ENTRY( list_tail($$), var_t, entry );
556 $3->eval = make_exprl(EXPR_NUM, last->eval->cval + 1);
557 }
558 $$ = append_var( $1, $3 );
559 }
560 ;
561
562 enum: ident '=' expr_const { $$ = reg_const($1);
563 $$->eval = $3;
564 $$->type = make_int(0);
565 }
566 | ident { $$ = reg_const($1);
567 $$->type = make_int(0);
568 }
569 ;
570
571 enumdef: tENUM t_ident '{' enums '}' { $$ = get_typev(RPC_FC_ENUM16, $2, tsENUM);
572 $$->kind = TKIND_ENUM;
573 $$->fields = $4;
574 $$->defined = TRUE;
575 if(in_typelib)
576 add_typelib_entry($$);
577 }
578 ;
579
580 m_exprs: m_expr { $$ = append_expr( NULL, $1 ); }
581 | m_exprs ',' m_expr { $$ = append_expr( $1, $3 ); }
582 ;
583
584 /*
585 exprs: { $$ = make_expr(EXPR_VOID); }
586 | expr_list
587 ;
588
589 expr_list: expr
590 | expr_list ',' expr { LINK($3, $1); $$ = $3; }
591 ;
592 */
593
594 m_expr: { $$ = make_expr(EXPR_VOID); }
595 | expr
596 ;
597
598 expr: aNUM { $$ = make_exprl(EXPR_NUM, $1); }
599 | aHEXNUM { $$ = make_exprl(EXPR_HEXNUM, $1); }
600 | aDOUBLE { $$ = make_exprd(EXPR_DOUBLE, $1); }
601 | tFALSE { $$ = make_exprl(EXPR_TRUEFALSE, 0); }
602 | tTRUE { $$ = make_exprl(EXPR_TRUEFALSE, 1); }
603 | aIDENTIFIER { $$ = make_exprs(EXPR_IDENTIFIER, $1); }
604 | expr '?' expr ':' expr { $$ = make_expr3(EXPR_COND, $1, $3, $5); }
605 | expr '|' expr { $$ = make_expr2(EXPR_OR , $1, $3); }
606 | expr '&' expr { $$ = make_expr2(EXPR_AND, $1, $3); }
607 | expr '+' expr { $$ = make_expr2(EXPR_ADD, $1, $3); }
608 | expr '-' expr { $$ = make_expr2(EXPR_SUB, $1, $3); }
609 | expr '*' expr { $$ = make_expr2(EXPR_MUL, $1, $3); }
610 | expr '/' expr { $$ = make_expr2(EXPR_DIV, $1, $3); }
611 | expr SHL expr { $$ = make_expr2(EXPR_SHL, $1, $3); }
612 | expr SHR expr { $$ = make_expr2(EXPR_SHR, $1, $3); }
613 | '~' expr { $$ = make_expr1(EXPR_NOT, $2); }
614 | '-' expr %prec NEG { $$ = make_expr1(EXPR_NEG, $2); }
615 | '*' expr %prec PPTR { $$ = make_expr1(EXPR_PPTR, $2); }
616 | '(' type ')' expr %prec CAST { $$ = make_exprt(EXPR_CAST, $2, $4); }
617 | tSIZEOF '(' type ')' { $$ = make_exprt(EXPR_SIZEOF, $3, NULL); }
618 | '(' expr ')' { $$ = $2; }
619 ;
620
621 expr_list_const: expr_const { $$ = append_expr( NULL, $1 ); }
622 | expr_list_const ',' expr_const { $$ = append_expr( $1, $3 ); }
623 ;
624
625 expr_const: expr { $$ = $1;
626 if (!$$->is_const)
627 error_loc("expression is not constant\n");
628 }
629 ;
630
631 externdef: tEXTERN tCONST type ident { $$ = $4;
632 set_type($$, $3, 0, NULL, FALSE);
633 }
634 ;
635
636 fields: { $$ = NULL; }
637 | fields field { $$ = append_var( $1, $2 ); }
638 ;
639
640 field: s_field ';' { $$ = $1; }
641 | m_attributes uniondef ';' { $$ = make_var(NULL); $$->type = $2; $$->attrs = $1; }
642 | attributes ';' { $$ = make_var(NULL); $$->attrs = $1; }
643 | ';' { $$ = NULL; }
644 ;
645
646 s_field: m_attributes type pident array { $$ = $3->var;
647 $$->attrs = $1;
648 set_type($$, $2, $3->ptr_level, $4, FALSE);
649 free($3);
650 }
651 ;
652
653 funcdef:
654 m_attributes type callconv pident
655 '(' m_args ')' { var_t *v = $4->var;
656 v->attrs = $1;
657 set_type(v, $2, $4->ptr_level, NULL, FALSE);
658 free($4);
659 $$ = make_func(v, $6);
660 if (is_attr(v->attrs, ATTR_IN)) {
661 error_loc("inapplicable attribute [in] for function '%s'\n",$$->def->name);
662 }
663 }
664 ;
665
666 m_ident: { $$ = NULL; }
667 | ident
668 ;
669
670 t_ident: { $$ = NULL; }
671 | aIDENTIFIER { $$ = make_var($1); }
672 | aKNOWNTYPE { $$ = make_var($1); }
673 ;
674
675 ident: aIDENTIFIER { $$ = make_var($1); }
676 /* some "reserved words" used in attributes are also used as field names in some MS IDL files */
677 | aKNOWNTYPE { $$ = make_var($<str>1); }
678 ;
679
680 base_type: tBYTE { $$ = make_builtin($<str>1); }
681 | tWCHAR { $$ = make_builtin($<str>1); }
682 | int_std
683 | tSIGNED int_std { $$ = $2; $$->sign = 1; }
684 | tUNSIGNED int_std { $$ = $2; $$->sign = -1;
685 switch ($$->type) {
686 case RPC_FC_CHAR: break;
687 case RPC_FC_SMALL: $$->type = RPC_FC_USMALL; break;
688 case RPC_FC_SHORT: $$->type = RPC_FC_USHORT; break;
689 case RPC_FC_LONG: $$->type = RPC_FC_ULONG; break;
690 case RPC_FC_HYPER:
691 if ($$->name[0] == 'h') /* hyper, as opposed to __int64 */
692 {
693 $$ = alias($$, "MIDL_uhyper");
694 $$->sign = 0;
695 }
696 break;
697 default: break;
698 }
699 }
700 | tUNSIGNED { $$ = make_int(-1); }
701 | tFLOAT { $$ = make_builtin($<str>1); }
702 | tSINGLE { $$ = duptype(find_type("float", 0), 1); }
703 | tDOUBLE { $$ = make_builtin($<str>1); }
704 | tBOOLEAN { $$ = make_builtin($<str>1); }
705 | tERRORSTATUST { $$ = make_builtin($<str>1); }
706 | tHANDLET { $$ = make_builtin($<str>1); }
707 ;
708
709 m_int:
710 | tINT
711 ;
712
713 int_std: tINT { $$ = make_builtin($<str>1); }
714 | tSHORT m_int { $$ = make_builtin($<str>1); }
715 | tSMALL { $$ = make_builtin($<str>1); }
716 | tLONG m_int { $$ = make_builtin($<str>1); }
717 | tHYPER m_int { $$ = make_builtin($<str>1); }
718 | tINT64 { $$ = make_builtin($<str>1); }
719 | tCHAR { $$ = make_builtin($<str>1); }
720 ;
721
722 coclass: tCOCLASS aIDENTIFIER { $$ = make_class($2); }
723 | tCOCLASS aKNOWNTYPE { $$ = find_type($2, 0);
724 if ($$->defined) error_loc("multiple definition error\n");
725 if ($$->kind != TKIND_COCLASS) error_loc("%s was not declared a coclass\n", $2);
726 }
727 ;
728
729 coclasshdr: attributes coclass { $$ = $2;
730 $$->attrs = $1;
731 if (!parse_only && do_header)
732 write_coclass($$);
733 if (!parse_only && do_idfile)
734 write_clsid($$);
735 }
736 ;
737
738 coclassdef: coclasshdr '{' coclass_ints '}' { $$ = $1;
739 $$->ifaces = $3;
740 $$->defined = TRUE;
741 }
742 ;
743
744 coclass_ints: { $$ = NULL; }
745 | coclass_ints coclass_int { $$ = append_ifref( $1, $2 ); }
746 ;
747
748 coclass_int:
749 m_attributes interfacedec { $$ = make_ifref($2); $$->attrs = $1; }
750 ;
751
752 dispinterface: tDISPINTERFACE aIDENTIFIER { $$ = get_type(0, $2, 0); $$->kind = TKIND_DISPATCH; }
753 | tDISPINTERFACE aKNOWNTYPE { $$ = get_type(0, $2, 0); $$->kind = TKIND_DISPATCH; }
754 ;
755
756 dispinterfacehdr: attributes dispinterface { attr_t *attrs;
757 $$ = $2;
758 if ($$->defined) error_loc("multiple definition error\n");
759 attrs = make_attr(ATTR_DISPINTERFACE);
760 $$->attrs = append_attr( $1, attrs );
761 $$->ref = find_type("IDispatch", 0);
762 if (!$$->ref) error_loc("IDispatch is undefined\n");
763 $$->defined = TRUE;
764 if (!parse_only && do_header) write_forward($$);
765 }
766 ;
767
768 dispint_props: tPROPERTIES ':' { $$ = NULL; }
769 | dispint_props s_field ';' { $$ = append_var( $1, $2 ); }
770 ;
771
772 dispint_meths: tMETHODS ':' { $$ = NULL; }
773 | dispint_meths funcdef ';' { $$ = append_func( $1, $2 ); }
774 ;
775
776 dispinterfacedef: dispinterfacehdr '{'
777 dispint_props
778 dispint_meths
779 '}' { $$ = $1;
780 $$->fields = $3;
781 $$->funcs = $4;
782 if (!parse_only && do_header) write_dispinterface($$);
783 if (!parse_only && do_idfile) write_diid($$);
784 }
785 | dispinterfacehdr
786 '{' interface ';' '}' { $$ = $1;
787 $$->fields = $3->fields;
788 $$->funcs = $3->funcs;
789 if (!parse_only && do_header) write_dispinterface($$);
790 if (!parse_only && do_idfile) write_diid($$);
791 }
792 ;
793
794 inherit: { $$ = NULL; }
795 | ':' aKNOWNTYPE { $$ = find_type2($2, 0); }
796 ;
797
798 interface: tINTERFACE aIDENTIFIER { $$ = get_type(RPC_FC_IP, $2, 0); $$->kind = TKIND_INTERFACE; }
799 | tINTERFACE aKNOWNTYPE { $$ = get_type(RPC_FC_IP, $2, 0); $$->kind = TKIND_INTERFACE; }
800 ;
801
802 interfacehdr: attributes interface { $$.interface = $2;
803 $$.old_pointer_default = pointer_default;
804 if (is_attr($1, ATTR_POINTERDEFAULT))
805 pointer_default = get_attrv($1, ATTR_POINTERDEFAULT);
806 if ($2->defined) error_loc("multiple definition error\n");
807 $2->attrs = $1;
808 $2->defined = TRUE;
809 if (!parse_only && do_header) write_forward($2);
810 }
811 ;
812
813 interfacedef: interfacehdr inherit
814 '{' int_statements '}' { $$ = $1.interface;
815 $$->ref = $2;
816 $$->funcs = $4;
817 compute_method_indexes($$);
818 if (!parse_only && do_header) write_interface($$);
819 if (!parse_only && local_stubs) write_locals(local_stubs, $$, TRUE);
820 if (!parse_only && do_idfile) write_iid($$);
821 pointer_default = $1.old_pointer_default;
822 }
823 /* MIDL is able to import the definition of a base class from inside the
824 * definition of a derived class, I'll try to support it with this rule */
825 | interfacehdr ':' aIDENTIFIER
826 '{' import int_statements '}' { $$ = $1.interface;
827 $$->ref = find_type2($3, 0);
828 if (!$$->ref) error_loc("base class '%s' not found in import\n", $3);
829 $$->funcs = $6;
830 compute_method_indexes($$);
831 if (!parse_only && do_header) write_interface($$);
832 if (!parse_only && local_stubs) write_locals(local_stubs, $$, TRUE);
833 if (!parse_only && do_idfile) write_iid($$);
834 pointer_default = $1.old_pointer_default;
835 }
836 | dispinterfacedef { $$ = $1; }
837 ;
838
839 interfacedec:
840 interface ';' { $$ = $1; if (!parse_only && do_header) write_forward($$); }
841 | dispinterface ';' { $$ = $1; if (!parse_only && do_header) write_forward($$); }
842 ;
843
844 module: tMODULE aIDENTIFIER { $$ = make_type(0, NULL); $$->name = $2; $$->kind = TKIND_MODULE; }
845 | tMODULE aKNOWNTYPE { $$ = make_type(0, NULL); $$->name = $2; $$->kind = TKIND_MODULE; }
846 ;
847
848 modulehdr: attributes module { $$ = $2;
849 $$->attrs = $1;
850 }
851 ;
852
853 moduledef: modulehdr '{' int_statements '}' { $$ = $1;
854 $$->funcs = $3;
855 /* FIXME: if (!parse_only && do_header) write_module($$); */
856 }
857 ;
858
859 p_ident: '*' pident %prec PPTR { $$ = $2; $$->ptr_level++; }
860 | tCONST p_ident { $$ = $2; /* FIXME */ }
861 ;
862
863 pident: ident { $$ = make_pident($1); }
864 | p_ident
865 | '(' pident ')' { $$ = $2; }
866 ;
867
868 pident_list:
869 pident { $$ = append_pident( NULL, $1 ); }
870 | pident_list ',' pident { $$ = append_pident( $1, $3 ); }
871 ;
872
873 pointer_type:
874 tREF { $$ = RPC_FC_RP; }
875 | tUNIQUE { $$ = RPC_FC_UP; }
876 | tPTR { $$ = RPC_FC_FP; }
877 ;
878
879 structdef: tSTRUCT t_ident '{' fields '}' { $$ = get_typev(RPC_FC_STRUCT, $2, tsSTRUCT);
880 /* overwrite RPC_FC_STRUCT with a more exact type */
881 $$->type = get_struct_type( $4 );
882 $$->kind = TKIND_RECORD;
883 $$->fields = $4;
884 $$->defined = TRUE;
885 if(in_typelib)
886 add_typelib_entry($$);
887 }
888 ;
889
890 type: tVOID { $$ = duptype(find_type("void", 0), 1); }
891 | aKNOWNTYPE { $$ = find_type($1, 0); }
892 | base_type { $$ = $1; }
893 | tCONST type { $$ = duptype($2, 1); $$->is_const = TRUE; }
894 | enumdef { $$ = $1; }
895 | tENUM aIDENTIFIER { $$ = find_type2($2, tsENUM); }
896 | structdef { $$ = $1; }
897 | tSTRUCT aIDENTIFIER { $$ = get_type(RPC_FC_STRUCT, $2, tsSTRUCT); }
898 | uniondef { $$ = $1; }
899 | tUNION aIDENTIFIER { $$ = find_type2($2, tsUNION); }
900 | tSAFEARRAY '(' type ')' { $$ = make_safearray($3); }
901 ;
902
903 typedef: tTYPEDEF m_attributes type pident_list { reg_typedefs($3, $4, $2);
904 process_typedefs($4);
905 }
906 ;
907
908 uniondef: tUNION t_ident '{' fields '}' { $$ = get_typev(RPC_FC_NON_ENCAPSULATED_UNION, $2, tsUNION);
909 $$->kind = TKIND_UNION;
910 $$->fields = $4;
911 $$->defined = TRUE;
912 }
913 | tUNION t_ident
914 tSWITCH '(' s_field ')'
915 m_ident '{' cases '}' { var_t *u = $7;
916 $$ = get_typev(RPC_FC_ENCAPSULATED_UNION, $2, tsUNION);
917 $$->kind = TKIND_UNION;
918 if (!u) u = make_var( xstrdup("tagged_union") );
919 u->type = make_type(RPC_FC_NON_ENCAPSULATED_UNION, NULL);
920 u->type->kind = TKIND_UNION;
921 u->type->fields = $9;
922 u->type->defined = TRUE;
923 $$->fields = append_var( $$->fields, $5 );
924 $$->fields = append_var( $$->fields, u );
925 $$->defined = TRUE;
926 }
927 ;
928
929 version:
930 aNUM { $$ = MAKELONG($1, 0); }
931 | aNUM '.' aNUM { $$ = MAKELONG($1, $3); }
932 ;
933
934 %%
935
936 static void decl_builtin(const char *name, unsigned char type)
937 {
938 type_t *t = make_type(type, NULL);
939 t->name = xstrdup(name);
940 reg_type(t, name, 0);
941 }
942
943 static type_t *make_builtin(char *name)
944 {
945 /* NAME is strdup'd in the lexer */
946 type_t *t = duptype(find_type(name, 0), 0);
947 t->name = name;
948 return t;
949 }
950
951 static type_t *make_int(int sign)
952 {
953 type_t *t = duptype(find_type("int", 0), 1);
954
955 t->sign = sign;
956 if (sign < 0)
957 t->type = t->type == RPC_FC_LONG ? RPC_FC_ULONG : RPC_FC_USHORT;
958
959 return t;
960 }
961
962 void init_types(void)
963 {
964 decl_builtin("void", 0);
965 decl_builtin("byte", RPC_FC_BYTE);
966 decl_builtin("wchar_t", RPC_FC_WCHAR);
967 decl_builtin("int", RPC_FC_LONG); /* win32 */
968 decl_builtin("short", RPC_FC_SHORT);
969 decl_builtin("small", RPC_FC_SMALL);
970 decl_builtin("long", RPC_FC_LONG);
971 decl_builtin("hyper", RPC_FC_HYPER);
972 decl_builtin("__int64", RPC_FC_HYPER);
973 decl_builtin("char", RPC_FC_CHAR);
974 decl_builtin("float", RPC_FC_FLOAT);
975 decl_builtin("double", RPC_FC_DOUBLE);
976 decl_builtin("boolean", RPC_FC_BYTE);
977 decl_builtin("error_status_t", RPC_FC_ERROR_STATUS_T);
978 decl_builtin("handle_t", RPC_FC_BIND_PRIMITIVE);
979 }
980
981 static str_list_t *append_str(str_list_t *list, char *str)
982 {
983 struct str_list_entry_t *entry;
984
985 if (!str) return list;
986 if (!list)
987 {
988 list = xmalloc( sizeof(*list) );
989 list_init( list );
990 }
991 entry = xmalloc( sizeof(*entry) );
992 entry->str = str;
993 list_add_tail( list, &entry->entry );
994 return list;
995 }
996
997 static attr_list_t *append_attr(attr_list_t *list, attr_t *attr)
998 {
999 if (!attr) return list;
1000 if (!list)
1001 {
1002 list = xmalloc( sizeof(*list) );
1003 list_init( list );
1004 }
1005 list_add_tail( list, &attr->entry );
1006 return list;
1007 }
1008
1009 static attr_t *make_attr(enum attr_type type)
1010 {
1011 attr_t *a = xmalloc(sizeof(attr_t));
1012 a->type = type;
1013 a->u.ival = 0;
1014 return a;
1015 }
1016
1017 static attr_t *make_attrv(enum attr_type type, unsigned long val)
1018 {
1019 attr_t *a = xmalloc(sizeof(attr_t));
1020 a->type = type;
1021 a->u.ival = val;
1022 return a;
1023 }
1024
1025 static attr_t *make_attrp(enum attr_type type, void *val)
1026 {
1027 attr_t *a = xmalloc(sizeof(attr_t));
1028 a->type = type;
1029 a->u.pval = val;
1030 return a;
1031 }
1032
1033 static expr_t *make_expr(enum expr_type type)
1034 {
1035 expr_t *e = xmalloc(sizeof(expr_t));
1036 e->type = type;
1037 e->ref = NULL;
1038 e->u.lval = 0;
1039 e->is_const = FALSE;
1040 e->cval = 0;
1041 return e;
1042 }
1043
1044 static expr_t *make_exprl(enum expr_type type, long val)
1045 {
1046 expr_t *e = xmalloc(sizeof(expr_t));
1047 e->type = type;
1048 e->ref = NULL;
1049 e->u.lval = val;
1050 e->is_const = FALSE;
1051 /* check for numeric constant */
1052 if (type == EXPR_NUM || type == EXPR_HEXNUM || type == EXPR_TRUEFALSE) {
1053 /* make sure true/false value is valid */
1054 assert(type != EXPR_TRUEFALSE || val == 0 || val == 1);
1055 e->is_const = TRUE;
1056 e->cval = val;
1057 }
1058 return e;
1059 }
1060
1061 static expr_t *make_exprd(enum expr_type type, double val)
1062 {
1063 expr_t *e = xmalloc(sizeof(expr_t));
1064 e->type = type;
1065 e->ref = NULL;
1066 e->u.dval = val;
1067 e->is_const = TRUE;
1068 e->cval = val;
1069 return e;
1070 }
1071
1072 static expr_t *make_exprs(enum expr_type type, char *val)
1073 {
1074 expr_t *e;
1075 e = xmalloc(sizeof(expr_t));
1076 e->type = type;
1077 e->ref = NULL;
1078 e->u.sval = val;
1079 e->is_const = FALSE;
1080 /* check for predefined constants */
1081 if (type == EXPR_IDENTIFIER) {
1082 var_t *c = find_const(val, 0);
1083 if (c) {
1084 e->u.sval = c->name;
1085 free(val);
1086 e->is_const = TRUE;
1087 e->cval = c->eval->cval;
1088 }
1089 }
1090 return e;
1091 }
1092
1093 static expr_t *make_exprt(enum expr_type type, type_t *tref, expr_t *expr)
1094 {
1095 expr_t *e;
1096 e = xmalloc(sizeof(expr_t));
1097 e->type = type;
1098 e->ref = expr;
1099 e->u.tref = tref;
1100 e->is_const = FALSE;
1101 /* check for cast of constant expression */
1102 if (type == EXPR_SIZEOF) {
1103 switch (tref->type) {
1104 case RPC_FC_BYTE:
1105 case RPC_FC_CHAR:
1106 case RPC_FC_SMALL:
1107 case RPC_FC_USMALL:
1108 e->is_const = TRUE;
1109 e->cval = 1;
1110 break;
1111 case RPC_FC_WCHAR:
1112 case RPC_FC_USHORT:
1113 case RPC_FC_SHORT:
1114 e->is_const = TRUE;
1115 e->cval = 2;
1116 break;
1117 case RPC_FC_LONG:
1118 case RPC_FC_ULONG:
1119 case RPC_FC_FLOAT:
1120 case RPC_FC_ERROR_STATUS_T:
1121 e->is_const = TRUE;
1122 e->cval = 4;
1123 break;
1124 case RPC_FC_HYPER:
1125 case RPC_FC_DOUBLE:
1126 e->is_const = TRUE;
1127 e->cval = 8;
1128 break;
1129 }
1130 }
1131 if (type == EXPR_CAST && expr->is_const) {
1132 e->is_const = TRUE;
1133 e->cval = expr->cval;
1134 }
1135 return e;
1136 }
1137
1138 static expr_t *make_expr1(enum expr_type type, expr_t *expr)
1139 {
1140 expr_t *e;
1141 e = xmalloc(sizeof(expr_t));
1142 e->type = type;
1143 e->ref = expr;
1144 e->u.lval = 0;
1145 e->is_const = FALSE;
1146 /* check for compile-time optimization */
1147 if (expr->is_const) {
1148 e->is_const = TRUE;
1149 switch (type) {
1150 case EXPR_NEG:
1151 e->cval = -expr->cval;
1152 break;
1153 case EXPR_NOT:
1154 e->cval = ~expr->cval;
1155 break;
1156 default:
1157 e->is_const = FALSE;
1158 break;
1159 }
1160 }
1161 return e;
1162 }
1163
1164 static expr_t *make_expr2(enum expr_type type, expr_t *expr1, expr_t *expr2)
1165 {
1166 expr_t *e;
1167 e = xmalloc(sizeof(expr_t));
1168 e->type = type;
1169 e->ref = expr1;
1170 e->u.ext = expr2;
1171 e->is_const = FALSE;
1172 /* check for compile-time optimization */
1173 if (expr1->is_const && expr2->is_const) {
1174 e->is_const = TRUE;
1175 switch (type) {
1176 case EXPR_ADD:
1177 e->cval = expr1->cval + expr2->cval;
1178 break;
1179 case EXPR_SUB:
1180 e->cval = expr1->cval - expr2->cval;
1181 break;
1182 case EXPR_MUL:
1183 e->cval = expr1->cval * expr2->cval;
1184 break;
1185 case EXPR_DIV:
1186 e->cval = expr1->cval / expr2->cval;
1187 break;
1188 case EXPR_OR:
1189 e->cval = expr1->cval | expr2->cval;
1190 break;
1191 case EXPR_AND:
1192 e->cval = expr1->cval & expr2->cval;
1193 break;
1194 case EXPR_SHL:
1195 e->cval = expr1->cval << expr2->cval;
1196 break;
1197 case EXPR_SHR:
1198 e->cval = expr1->cval >> expr2->cval;
1199 break;
1200 default:
1201 e->is_const = FALSE;
1202 break;
1203 }
1204 }
1205 return e;
1206 }
1207
1208 static expr_t *make_expr3(enum expr_type type, expr_t *expr1, expr_t *expr2, expr_t *expr3)
1209 {
1210 expr_t *e;
1211 e = xmalloc(sizeof(expr_t));
1212 e->type = type;
1213 e->ref = expr1;
1214 e->u.ext = expr2;
1215 e->ext2 = expr3;
1216 e->is_const = FALSE;
1217 /* check for compile-time optimization */
1218 if (expr1->is_const && expr2->is_const && expr3->is_const) {
1219 e->is_const = TRUE;
1220 switch (type) {
1221 case EXPR_COND:
1222 e->cval = expr1->cval ? expr2->cval : expr3->cval;
1223 break;
1224 default:
1225 e->is_const = FALSE;
1226 break;
1227 }
1228 }
1229 return e;
1230 }
1231
1232 static expr_list_t *append_expr(expr_list_t *list, expr_t *expr)
1233 {
1234 if (!expr) return list;
1235 if (!list)
1236 {
1237 list = xmalloc( sizeof(*list) );
1238 list_init( list );
1239 }
1240 list_add_tail( list, &expr->entry );
1241 return list;
1242 }
1243
1244 static array_dims_t *append_array(array_dims_t *list, expr_t *expr)
1245 {
1246 if (!expr) return list;
1247 if (!list)
1248 {
1249 list = xmalloc( sizeof(*list) );
1250 list_init( list );
1251 }
1252 list_add_tail( list, &expr->entry );
1253 return list;
1254 }
1255
1256 static struct list type_pool = LIST_INIT(type_pool);
1257 typedef struct
1258 {
1259 type_t data;
1260 struct list link;
1261 } type_pool_node_t;
1262
1263 type_t *alloc_type(void)
1264 {
1265 type_pool_node_t *node = xmalloc(sizeof *node);
1266 list_add_tail(&type_pool, &node->link);
1267 return &node->data;
1268 }
1269
1270 void set_all_tfswrite(int val)
1271 {
1272 type_pool_node_t *node;
1273 LIST_FOR_EACH_ENTRY(node, &type_pool, type_pool_node_t, link)
1274 node->data.tfswrite = val;
1275 }
1276
1277 static type_t *make_type(unsigned char type, type_t *ref)
1278 {
1279 type_t *t = alloc_type();
1280 t->name = NULL;
1281 t->kind = TKIND_PRIMITIVE;
1282 t->type = type;
1283 t->ref = ref;
1284 t->attrs = NULL;
1285 t->orig = NULL;
1286 t->funcs = NULL;
1287 t->fields = NULL;
1288 t->ifaces = NULL;
1289 t->dim = 0;
1290 t->size_is = NULL;
1291 t->length_is = NULL;
1292 t->typestring_offset = 0;
1293 t->ptrdesc = 0;
1294 t->declarray = FALSE;
1295 t->ignore = (parse_only != 0);
1296 t->is_const = FALSE;
1297 t->sign = 0;
1298 t->defined = FALSE;
1299 t->written = FALSE;
1300 t->user_types_registered = FALSE;
1301 t->tfswrite = FALSE;
1302 t->typelib_idx = -1;
1303 return t;
1304 }
1305
1306 static void set_type(var_t *v, type_t *type, int ptr_level, array_dims_t *arr,
1307 int top)
1308 {
1309 expr_list_t *sizes = get_attrp(v->attrs, ATTR_SIZEIS);
1310 expr_list_t *lengs = get_attrp(v->attrs, ATTR_LENGTHIS);
1311 int ptr_attr = get_attrv(v->attrs, ATTR_POINTERTYPE);
1312 int ptr_type = ptr_attr;
1313 int sizeless, has_varconf;
1314 expr_t *dim;
1315 type_t *atype, **ptype;
1316
1317 v->type = type;
1318
1319 if (!ptr_type && top)
1320 ptr_type = RPC_FC_RP;
1321
1322 for ( ; 0 < ptr_level; --ptr_level)
1323 {
1324 v->type = make_type(pointer_default, v->type);
1325 if (ptr_level == 1 && ptr_type && !arr)
1326 {
1327 v->type->type = ptr_type;
1328 ptr_type = 0;
1329 }
1330 }
1331
1332 if (ptr_type)
1333 {
1334 if (is_ptr(v->type))
1335 {
1336 if (v->type->type != ptr_type)
1337 {
1338 v->type = duptype(v->type, 1);
1339 v->type->type = ptr_type;
1340 }
1341 }
1342 else if (!arr && ptr_attr)
1343 error("%s: pointer attribute applied to non-pointer type\n", v->name);
1344 }
1345
1346 sizeless = FALSE;
1347 if (arr) LIST_FOR_EACH_ENTRY_REV(dim, arr, expr_t, entry)
1348 {
1349 if (sizeless)
1350 error("%s: only the first array dimension can be unspecified\n", v->name);
1351
1352 if (dim->is_const)
1353 {
1354 unsigned int align = 0;
1355 size_t size = type_memsize(v->type, &align);
1356
1357 if (dim->cval <= 0)
1358 error("%s: array dimension must be positive\n", v->name);
1359
1360 if (0xffffffffuL / size < (unsigned long) dim->cval)
1361 error("%s: total array size is too large\n", v->name);
1362 else if (0xffffuL < size * dim->cval)
1363 v->type = make_type(RPC_FC_LGFARRAY, v->type);
1364 else
1365 v->type = make_type(RPC_FC_SMFARRAY, v->type);
1366 }
1367 else
1368 {
1369 sizeless = TRUE;
1370 v->type = make_type(RPC_FC_CARRAY, v->type);
1371 }
1372
1373 v->type->declarray = TRUE;
1374 v->type->dim = dim->cval;
1375 }
1376
1377 ptype = &v->type;
1378 has_varconf = FALSE;
1379 if (sizes) LIST_FOR_EACH_ENTRY(dim, sizes, expr_t, entry)
1380 {
1381 if (dim->type != EXPR_VOID)
1382 {
1383 has_varconf = TRUE;
1384 atype = *ptype = duptype(*ptype, 0);
1385
1386 if (atype->type == RPC_FC_SMFARRAY || atype->type == RPC_FC_LGFARRAY)
1387 error("%s: cannot specify size_is for a fixed sized array\n", v->name);
1388
1389 if (atype->type != RPC_FC_CARRAY && !is_ptr(atype))
1390 error("%s: size_is attribute applied to illegal type\n", v->name);
1391
1392 atype->type = RPC_FC_CARRAY;
1393 atype->size_is = dim;
1394 }
1395
1396 ptype = &(*ptype)->ref;
1397 if (*ptype == NULL)
1398 error("%s: too many expressions in size_is attribute\n", v->name);
1399 }
1400
1401 ptype = &v->type;
1402 if (lengs) LIST_FOR_EACH_ENTRY(dim, lengs, expr_t, entry)
1403 {
1404 if (dim->type != EXPR_VOID)
1405 {
1406 has_varconf = TRUE;
1407 atype = *ptype = duptype(*ptype, 0);
1408
1409 if (atype->type == RPC_FC_SMFARRAY)
1410 atype->type = RPC_FC_SMVARRAY;
1411 else if (atype->type == RPC_FC_LGFARRAY)
1412 atype->type = RPC_FC_LGVARRAY;
1413 else if (atype->type == RPC_FC_CARRAY)
1414 atype->type = RPC_FC_CVARRAY;
1415 else
1416 error("%s: length_is attribute applied to illegal type\n", v->name);
1417
1418 atype->length_is = dim;
1419 }
1420
1421 ptype = &(*ptype)->ref;
1422 if (*ptype == NULL)
1423 error("%s: too many expressions in length_is attribute\n", v->name);
1424 }
1425
1426 if (has_varconf && !last_array(v->type))
1427 {
1428 ptype = &v->type;
1429 for (ptype = &v->type; is_array(*ptype); ptype = &(*ptype)->ref)
1430 {
1431 *ptype = duptype(*ptype, 0);
1432 (*ptype)->type = RPC_FC_BOGUS_ARRAY;
1433 }
1434 }
1435
1436 if (is_array(v->type))
1437 {
1438 const type_t *rt = v->type->ref;
1439 if (is_user_type(rt))
1440 v->type->type = RPC_FC_BOGUS_ARRAY;
1441 else
1442 switch (rt->type)
1443 {
1444 case RPC_FC_BOGUS_STRUCT:
1445 case RPC_FC_NON_ENCAPSULATED_UNION:
1446 case RPC_FC_ENCAPSULATED_UNION:
1447 case RPC_FC_ENUM16:
1448 v->type->type = RPC_FC_BOGUS_ARRAY;
1449 break;
1450 /* FC_RP should be above, but widl overuses these, and will break things. */
1451 case RPC_FC_UP:
1452 case RPC_FC_RP:
1453 if (rt->ref->type == RPC_FC_IP)
1454 v->type->type = RPC_FC_BOGUS_ARRAY;
1455 break;
1456 }
1457 }
1458 }
1459
1460 static ifref_list_t *append_ifref(ifref_list_t *list, ifref_t *iface)
1461 {
1462 if (!iface) return list;
1463 if (!list)
1464 {
1465 list = xmalloc( sizeof(*list) );
1466 list_init( list );
1467 }
1468 list_add_tail( list, &iface->entry );
1469 return list;
1470 }
1471
1472 static ifref_t *make_ifref(type_t *iface)
1473 {
1474 ifref_t *l = xmalloc(sizeof(ifref_t));
1475 l->iface = iface;
1476 l->attrs = NULL;
1477 return l;
1478 }
1479
1480 static var_list_t *append_var(var_list_t *list, var_t *var)
1481 {
1482 if (!var) return list;
1483 if (!list)
1484 {
1485 list = xmalloc( sizeof(*list) );
1486 list_init( list );
1487 }
1488 list_add_tail( list, &var->entry );
1489 return list;
1490 }
1491
1492 static var_t *make_var(char *name)
1493 {
1494 var_t *v = xmalloc(sizeof(var_t));
1495 v->name = name;
1496 v->type = NULL;
1497 v->args = NULL;
1498 v->attrs = NULL;
1499 v->eval = NULL;
1500 return v;
1501 }
1502
1503 static pident_list_t *append_pident(pident_list_t *list, pident_t *p)
1504 {
1505 if (!p) return list;
1506 if (!list) {
1507 list = xmalloc(sizeof(*list));
1508 list_init(list);
1509 }
1510 list_add_tail(list, &p->entry);
1511 return list;
1512 }
1513
1514 static pident_t *make_pident(var_t *var)
1515 {
1516 pident_t *p = xmalloc(sizeof(*p));
1517 p->var = var;
1518 p->ptr_level = 0;
1519 return p;
1520 }
1521
1522 static func_list_t *append_func(func_list_t *list, func_t *func)
1523 {
1524 if (!func) return list;
1525 if (!list)
1526 {
1527 list = xmalloc( sizeof(*list) );
1528 list_init( list );
1529 }
1530 list_add_tail( list, &func->entry );
1531 return list;
1532 }
1533
1534 static func_t *make_func(var_t *def, var_list_t *args)
1535 {
1536 func_t *f = xmalloc(sizeof(func_t));
1537 f->def = def;
1538 f->args = args;
1539 f->ignore = parse_only;
1540 f->idx = -1;
1541 return f;
1542 }
1543
1544 static type_t *make_class(char *name)
1545 {
1546 type_t *c = make_type(0, NULL);
1547 c->name = name;
1548 c->kind = TKIND_COCLASS;
1549 return c;
1550 }
1551
1552 static type_t *make_safearray(type_t *type)
1553 {
1554 type_t *sa = duptype(find_type("SAFEARRAY", 0), 1);
1555 sa->ref = type;
1556 return make_type(pointer_default, sa);
1557 }
1558
1559 #define HASHMAX 64
1560
1561 static int hash_ident(const char *name)
1562 {
1563 const char *p = name;
1564 int sum = 0;
1565 /* a simple sum hash is probably good enough */
1566 while (*p) {
1567 sum += *p;
1568 p++;
1569 }
1570 return sum & (HASHMAX-1);
1571 }
1572
1573 /***** type repository *****/
1574
1575 struct rtype {
1576 const char *name;
1577 type_t *type;
1578 int t;
1579 struct rtype *next;
1580 };
1581
1582 struct rtype *type_hash[HASHMAX];
1583
1584 static type_t *reg_type(type_t *type, const char *name, int t)
1585 {
1586 struct rtype *nt;
1587 int hash;
1588 if (!name) {
1589 error_loc("registering named type without name\n");
1590 return type;
1591 }
1592 hash = hash_ident(name);
1593 nt = xmalloc(sizeof(struct rtype));
1594 nt->name = name;
1595 nt->type = type;
1596 nt->t = t;
1597 nt->next = type_hash[hash];
1598 type_hash[hash] = nt;
1599 return type;
1600 }
1601
1602 static int is_incomplete(const type_t *t)
1603 {
1604 return !t->defined && (is_struct(t->type) || is_union(t->type));
1605 }
1606
1607 static void add_incomplete(type_t *t)
1608 {
1609 struct typenode *tn = xmalloc(sizeof *tn);
1610 tn->type = t;
1611 list_add_tail(&incomplete_types, &tn->entry);
1612 }
1613
1614 static void fix_type(type_t *t)
1615 {
1616 if (t->kind == TKIND_ALIAS && is_incomplete(t)) {
1617 type_t *ot = t->orig;
1618 fix_type(ot);
1619 t->fields = ot->fields;
1620 t->defined = ot->defined;
1621 }
1622 }
1623
1624 static void fix_incomplete(void)
1625 {
1626 struct typenode *tn, *next;
1627
1628 LIST_FOR_EACH_ENTRY_SAFE(tn, next, &incomplete_types, struct typenode, entry) {
1629 fix_type(tn->type);
1630 free(tn);
1631 }
1632 }
1633
1634 static type_t *reg_typedefs(type_t *type, pident_list_t *pidents, attr_list_t *attrs)
1635 {
1636 type_t *ptr = type;
1637 const pident_t *pident;
1638 int ptrc = 0;
1639 int is_str = is_attr(attrs, ATTR_STRING);
1640 unsigned char ptr_type = get_attrv(attrs, ATTR_POINTERTYPE);
1641
1642 if (is_str)
1643 {
1644 type_t *t = type;
1645 unsigned char c;
1646
1647 while (is_ptr(t))
1648 t = t->ref;
1649
1650 c = t->type;
1651 if (c != RPC_FC_CHAR && c != RPC_FC_BYTE && c != RPC_FC_WCHAR)
1652 {
1653 pident = LIST_ENTRY( list_head( pidents ), const pident_t, entry );
1654 error_loc("'%s': [string] attribute is only valid on 'char', 'byte', or 'wchar_t' pointers and arrays\n",
1655 pident->var->name);
1656 }
1657 }
1658
1659 /* We must generate names for tagless enum, struct or union.
1660 Typedef-ing a tagless enum, struct or union means we want the typedef
1661 to be included in a library whether it has other attributes or not,
1662 hence the public attribute. */
1663 if ((type->kind == TKIND_ENUM || type->kind == TKIND_RECORD
1664 || type->kind == TKIND_UNION) && ! type->name && ! parse_only)
1665 {
1666 if (! is_attr(attrs, ATTR_PUBLIC))
1667 attrs = append_attr( attrs, make_attr(ATTR_PUBLIC) );
1668 type->name = gen_name();
1669 }
1670
1671 LIST_FOR_EACH_ENTRY( pident, pidents, const pident_t, entry )
1672 {
1673 var_t *name = pident->var;
1674
1675 if (name->name) {
1676 type_t *cur = ptr;
1677 int cptr = pident->ptr_level;
1678 if (cptr > ptrc) {
1679 while (cptr > ptrc) {
1680 cur = ptr = make_type(pointer_default, cur);
1681 ptrc++;
1682 }
1683 } else {
1684 while (cptr < ptrc) {
1685 cur = cur->ref;
1686 cptr++;
1687 }
1688 }
1689 cur = alias(cur, name->name);
1690 cur->attrs = attrs;
1691 if (ptr_type)
1692 {
1693 if (is_ptr(cur))
1694 cur->type = ptr_type;
1695 else
1696 error_loc("'%s': pointer attribute applied to non-pointer type\n",
1697 cur->name);
1698 }
1699 else if (is_str && ! is_ptr(cur))
1700 error_loc("'%s': [string] attribute applied to non-pointer type\n",
1701 cur->name);
1702
1703 if (is_incomplete(cur))
1704 add_incomplete(cur);
1705 reg_type(cur, cur->name, 0);
1706 }
1707 }
1708 return type;
1709 }
1710
1711 static type_t *find_type(const char *name, int t)
1712 {
1713 struct rtype *cur = type_hash[hash_ident(name)];
1714 while (cur && (cur->t != t || strcmp(cur->name, name)))
1715 cur = cur->next;
1716 if (!cur) {
1717 error_loc("type '%s' not found\n", name);
1718 return NULL;
1719 }
1720 return cur->type;
1721 }
1722
1723 static type_t *find_type2(char *name, int t)
1724 {
1725 type_t *tp = find_type(name, t);
1726 free(name);
1727 return tp;
1728 }
1729
1730 int is_type(const char *name)
1731 {
1732 struct rtype *cur = type_hash[hash_ident(name)];
1733 while (cur && (cur->t || strcmp(cur->name, name)))
1734 cur = cur->next;
1735 if (cur) return TRUE;
1736 return FALSE;
1737 }
1738
1739 static type_t *get_type(unsigned char type, char *name, int t)
1740 {
1741 struct rtype *cur = NULL;
1742 type_t *tp;
1743 if (name) {
1744 cur = type_hash[hash_ident(name)];
1745 while (cur && (cur->t != t || strcmp(cur->name, name)))
1746 cur = cur->next;
1747 }
1748 if (cur) {
1749 free(name);
1750 return cur->type;
1751 }
1752 tp = make_type(type, NULL);
1753 tp->name = name;
1754 if (!name) return tp;
1755 return reg_type(tp, name, t);
1756 }
1757
1758 static type_t *get_typev(unsigned char type, var_t *name, int t)
1759 {
1760 char *sname = NULL;
1761 if (name) {
1762 sname = name->name;
1763 free(name);
1764 }
1765 return get_type(type, sname, t);
1766 }
1767
1768 static int get_struct_type(var_list_t *fields)
1769 {
1770 int has_pointer = 0;
1771 int has_conformance = 0;
1772 int has_variance = 0;
1773 var_t *field;
1774
1775 if (get_padding(fields))
1776 return RPC_FC_BOGUS_STRUCT;
1777
1778 if (fields) LIST_FOR_EACH_ENTRY( field, fields, var_t, entry )
1779 {
1780 type_t *t = field->type;
1781
1782 if (is_user_type(t))
1783 return RPC_FC_BOGUS_STRUCT;
1784
1785 if (is_ptr(t))
1786 {
1787 do
1788 t = t->ref;
1789 while (is_ptr(t));
1790
1791 switch (t->type)
1792 {
1793 case RPC_FC_IP:
1794 case RPC_FC_ENCAPSULATED_UNION:
1795 case RPC_FC_NON_ENCAPSULATED_UNION:
1796 case RPC_FC_BOGUS_STRUCT:
1797 return RPC_FC_BOGUS_STRUCT;
1798 }
1799
1800 has_pointer = 1;
1801 continue;
1802 }
1803
1804 if (field->type->declarray)
1805 {
1806 if (is_string_type(field->attrs, field->type))
1807 {
1808 if (is_conformant_array(field->type))
1809 has_conformance = 1;
1810 has_variance = 1;
1811 continue;
1812 }
1813
1814 if (is_array(field->type->ref))
1815 return RPC_FC_BOGUS_STRUCT;
1816
1817 if (is_conformant_array(field->type))
1818 {
1819 has_conformance = 1;
1820 if (field->type->declarray && list_next(fields, &field->entry))
1821 error_loc("field '%s' deriving from a conformant array must be the last field in the structure\n",
1822 field->name);
1823 }
1824 if (field->type->length_is)
1825 has_variance = 1;
1826
1827 t = field->type->ref;
1828 }
1829
1830 switch (t->type)
1831 {
1832 /*
1833 * RPC_FC_BYTE, RPC_FC_STRUCT, etc
1834 * Simple types don't effect the type of struct.
1835 * A struct containing a simple struct is still a simple struct.
1836 * So long as we can block copy the data, we return RPC_FC_STRUCT.
1837 */
1838 case 0: /* void pointer */
1839 case RPC_FC_BYTE:
1840 case RPC_FC_CHAR:
1841 case RPC_FC_SMALL:
1842 case RPC_FC_USMALL:
1843 case RPC_FC_WCHAR:
1844 case RPC_FC_SHORT:
1845 case RPC_FC_USHORT:
1846 case RPC_FC_LONG:
1847 case RPC_FC_ULONG:
1848 case RPC_FC_INT3264:
1849 case RPC_FC_UINT3264:
1850 case RPC_FC_HYPER:
1851 case RPC_FC_FLOAT:
1852 case RPC_FC_DOUBLE:
1853 case RPC_FC_STRUCT:
1854 case RPC_FC_ENUM16:
1855 case RPC_FC_ENUM32:
1856 break;
1857
1858 case RPC_FC_RP:
1859 case RPC_FC_UP:
1860 case RPC_FC_FP:
1861 case RPC_FC_OP:
1862 case RPC_FC_CARRAY:
1863 case RPC_FC_CVARRAY:
1864 case RPC_FC_BOGUS_ARRAY:
1865 has_pointer = 1;
1866 break;
1867
1868 /*
1869 * Propagate member attributes
1870 * a struct should be at least as complex as its member
1871 */
1872 case RPC_FC_CVSTRUCT:
1873 has_conformance = 1;
1874 has_variance = 1;
1875 has_pointer = 1;
1876 break;
1877
1878 case RPC_FC_CPSTRUCT:
1879 has_conformance = 1;
1880 if (list_next( fields, &field->entry ))
1881 error_loc("field '%s' deriving from a conformant array must be the last field in the structure\n",
1882 field->name);
1883 has_pointer = 1;
1884 break;
1885
1886 case RPC_FC_CSTRUCT:
1887 has_conformance = 1;
1888 if (list_next( fields, &field->entry ))
1889 error_loc("field '%s' deriving from a conformant array must be the last field in the structure\n",
1890 field->name);
1891 break;
1892
1893 case RPC_FC_PSTRUCT:
1894 has_pointer = 1;
1895 break;
1896
1897 default:
1898 error_loc("Unknown struct member %s with type (0x%02x)\n", field->name, t->type);
1899 /* fallthru - treat it as complex */
1900
1901 /* as soon as we see one of these these members, it's bogus... */
1902 case RPC_FC_ENCAPSULATED_UNION:
1903 case RPC_FC_NON_ENCAPSULATED_UNION:
1904 case RPC_FC_BOGUS_STRUCT:
1905 return RPC_FC_BOGUS_STRUCT;
1906 }
1907 }
1908
1909 if( has_variance )
1910 {
1911 if ( has_conformance )
1912 return RPC_FC_CVSTRUCT;
1913 else
1914 return RPC_FC_BOGUS_STRUCT;
1915 }
1916 if( has_conformance && has_pointer )
1917 return RPC_FC_CPSTRUCT;
1918 if( has_conformance )
1919 return RPC_FC_CSTRUCT;
1920 if( has_pointer )
1921 return RPC_FC_PSTRUCT;
1922 return RPC_FC_STRUCT;
1923 }
1924
1925 /***** constant repository *****/
1926
1927 struct rconst {
1928 char *name;
1929 var_t *var;
1930 struct rconst *next;
1931 };
1932
1933 struct rconst *const_hash[HASHMAX];
1934
1935 static var_t *reg_const(var_t *var)
1936 {
1937 struct rconst *nc;
1938 int hash;
1939 if (!var->name) {
1940 error_loc("registering constant without name\n");
1941 return var;
1942 }
1943 hash = hash_ident(var->name);
1944 nc = xmalloc(sizeof(struct rconst));
1945 nc->name = var->name;
1946 nc->var = var;
1947 nc->next = const_hash[hash];
1948 const_hash[hash] = nc;
1949 return var;
1950 }
1951
1952 static var_t *find_const(char *name, int f)
1953 {
1954 struct rconst *cur = const_hash[hash_ident(name)];
1955 while (cur && strcmp(cur->name, name))
1956 cur = cur->next;
1957 if (!cur) {
1958 if (f) error_loc("constant '%s' not found\n", name);
1959 return NULL;
1960 }
1961 return cur->var;
1962 }
1963
1964 static void write_libid(const char *name, const attr_list_t *attr)
1965 {
1966 const UUID *uuid = get_attrp(attr, ATTR_UUID);
1967 write_guid(idfile, "LIBID", name, uuid);
1968 }
1969
1970 static void write_clsid(type_t *cls)
1971 {
1972 const UUID *uuid = get_attrp(cls->attrs, ATTR_UUID);
1973 write_guid(idfile, "CLSID", cls->name, uuid);
1974 }
1975
1976 static void write_diid(type_t *iface)
1977 {
1978 const UUID *uuid = get_attrp(iface->attrs, ATTR_UUID);
1979 write_guid(idfile, "DIID", iface->name, uuid);
1980 }
1981
1982 static void write_iid(type_t *iface)
1983 {
1984 const UUID *uuid = get_attrp(iface->attrs, ATTR_UUID);
1985 write_guid(idfile, "IID", iface->name, uuid);
1986 }
1987
1988 static int compute_method_indexes(type_t *iface)
1989 {
1990 int idx;
1991 func_t *f;
1992
1993 if (iface->ref)
1994 idx = compute_method_indexes(iface->ref);
1995 else
1996 idx = 0;
1997
1998 if (!iface->funcs)
1999 return idx;
2000
2001 LIST_FOR_EACH_ENTRY( f, iface->funcs, func_t, entry )
2002 if (! is_callas(f->def->attrs))
2003 f->idx = idx++;
2004
2005 return idx;
2006 }
2007
2008 static char *gen_name(void)
2009 {
2010 static const char format[] = "__WIDL_%s_generated_name_%08lX";
2011 static unsigned long n = 0;
2012 static const char *file_id;
2013 static size_t size;
2014 char *name;
2015
2016 if (! file_id)
2017 {
2018 char *dst = dup_basename(input_name, ".idl");
2019 file_id = dst;
2020
2021 for (; *dst; ++dst)
2022 if (! isalnum((unsigned char) *dst))
2023 *dst = '_';
2024
2025 size = sizeof format - 7 + strlen(file_id) + 8;
2026 }
2027
2028 name = xmalloc(size);
2029 sprintf(name, format, file_id, n++);
2030 return name;
2031 }
2032
2033 static void process_typedefs(pident_list_t *pidents)
2034 {
2035 pident_t *pident, *next;
2036
2037 if (!pidents) return;
2038 LIST_FOR_EACH_ENTRY_SAFE( pident, next, pidents, pident_t, entry )
2039 {
2040 var_t *var = pident->var;
2041 type_t *type = find_type(var->name, 0);
2042
2043 if (! parse_only && do_header)
2044 write_typedef(type);
2045 if (in_typelib && type->attrs)
2046 add_typelib_entry(type);
2047
2048 free(pident);
2049 free(var);
2050 }
2051 }
2052
2053 static void check_arg(var_t *arg)
2054 {
2055 type_t *t = arg->type;
2056
2057 if (t->type == 0 && ! is_var_ptr(arg))
2058 error_loc("argument '%s' has void type\n", arg->name);
2059 }
2060
2061 static void check_all_user_types(ifref_list_t *ifrefs)
2062 {
2063 const ifref_t *ifref;
2064 const func_t *f;
2065
2066 if (ifrefs) LIST_FOR_EACH_ENTRY(ifref, ifrefs, const ifref_t, entry)
2067 {
2068 const func_list_t *fs = ifref->iface->funcs;
2069 if (fs) LIST_FOR_EACH_ENTRY(f, fs, const func_t, entry)
2070 check_for_user_types_and_context_handles(f->args);
2071 }
2072 }
2073
2074 int is_valid_uuid(const char *s)
2075 {
2076 int i;
2077
2078 for (i = 0; i < 36; ++i)
2079 if (i == 8 || i == 13 || i == 18 || i == 23)
2080 {
2081 if (s[i] != '-')
2082 return FALSE;
2083 }
2084 else
2085 if (!isxdigit(s[i]))
2086 return FALSE;
2087
2088 return s[i] == '\0';
2089 }
useful hacks and other patches not (yet) suitable for mainline