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version: Exclude unused headers.
[wine/multimedia.git] / tools / widl / parser.y
blobb70dab857aa191a4f932bd56c23835f5dd06f7a6
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
42 #if defined(YYBYACC)
43 /* Berkeley yacc (byacc) doesn't seem to know about these */
44 /* Some *BSD supplied versions do define these though */
45 # ifndef YYEMPTY
46 # define YYEMPTY (-1) /* Empty lookahead value of yychar */
47 # endif
48 # ifndef YYLEX
49 # define YYLEX yylex()
50 # endif
51
52 #elif defined(YYBISON)
53 /* Bison was used for original development */
54 /* #define YYEMPTY -2 */
55 /* #define YYLEX yylex() */
56
57 #else
58 /* No yacc we know yet */
59 # if !defined(YYEMPTY) || !defined(YYLEX)
60 # error Yacc version/type unknown. This version needs to be verified for settings of YYEMPTY and YYLEX.
61 # elif defined(__GNUC__) /* gcc defines the #warning directive */
62 # warning Yacc version/type unknown. It defines YYEMPTY and YYLEX, but is not tested
63 /* #else we just take a chance that it works... */
64 # endif
65 #endif
66
67 static str_list_t *append_str(str_list_t *list, char *str);
68 static attr_list_t *append_attr(attr_list_t *list, attr_t *attr);
69 static attr_t *make_attr(enum attr_type type);
70 static attr_t *make_attrv(enum attr_type type, unsigned long val);
71 static attr_t *make_attrp(enum attr_type type, void *val);
72 static expr_t *make_expr(enum expr_type type);
73 static expr_t *make_exprl(enum expr_type type, long val);
74 static expr_t *make_exprs(enum expr_type type, char *val);
75 static expr_t *make_exprt(enum expr_type type, type_t *tref, expr_t *expr);
76 static expr_t *make_expr1(enum expr_type type, expr_t *expr);
77 static expr_t *make_expr2(enum expr_type type, expr_t *exp1, expr_t *exp2);
78 static expr_t *make_expr3(enum expr_type type, expr_t *expr1, expr_t *expr2, expr_t *expr3);
79 static type_t *make_type(unsigned char type, type_t *ref);
80 static expr_list_t *append_expr(expr_list_t *list, expr_t *expr);
81 static array_dims_t *append_array(array_dims_t *list, expr_t *expr);
82 static void set_type(var_t *v, type_t *type, int ptr_level, array_dims_t *arr);
83 static ifref_list_t *append_ifref(ifref_list_t *list, ifref_t *iface);
84 static ifref_t *make_ifref(type_t *iface);
85 static var_list_t *append_var(var_list_t *list, var_t *var);
86 static var_t *make_var(char *name);
87 static pident_list_t *append_pident(pident_list_t *list, pident_t *p);
88 static pident_t *make_pident(var_t *var);
89 static func_list_t *append_func(func_list_t *list, func_t *func);
90 static func_t *make_func(var_t *def, var_list_t *args);
91 static type_t *make_class(char *name);
92 static type_t *make_safearray(type_t *type);
93 static type_t *make_builtin(char *name);
94 static type_t *make_int(int sign);
95
96 static type_t *reg_type(type_t *type, const char *name, int t);
97 static type_t *reg_typedefs(type_t *type, var_list_t *names, attr_list_t *attrs);
98 static type_t *find_type(const char *name, int t);
99 static type_t *find_type2(char *name, int t);
100 static type_t *get_type(unsigned char type, char *name, int t);
101 static type_t *get_typev(unsigned char type, var_t *name, int t);
102 static int get_struct_type(var_list_t *fields);
103
104 static var_t *reg_const(var_t *var);
105 static var_t *find_const(char *name, int f);
106
107 static void write_libid(const char *name, const attr_list_t *attr);
108 static void write_clsid(type_t *cls);
109 static void write_diid(type_t *iface);
110 static void write_iid(type_t *iface);
111
112 static int compute_method_indexes(type_t *iface);
113 static char *gen_name(void);
114 static void process_typedefs(var_list_t *names);
115 static void check_arg(var_t *arg);
116
117 #define tsENUM 1
118 #define tsSTRUCT 2
119 #define tsUNION 3
120
121 %}
122 %union {
123 attr_t *attr;
124 attr_list_t *attr_list;
125 str_list_t *str_list;
126 expr_t *expr;
127 expr_list_t *expr_list;
128 array_dims_t *array_dims;
129 type_t *type;
130 var_t *var;
131 var_list_t *var_list;
132 pident_t *pident;
133 pident_list_t *pident_list;
134 func_t *func;
135 func_list_t *func_list;
136 ifref_t *ifref;
137 ifref_list_t *ifref_list;
138 char *str;
139 UUID *uuid;
140 unsigned int num;
141 }
142
143 %token <str> aIDENTIFIER
144 %token <str> aKNOWNTYPE
145 %token <num> aNUM aHEXNUM
146 %token <str> aSTRING
147 %token <uuid> aUUID
148 %token aEOF
149 %token SHL SHR
150 %token tAGGREGATABLE tALLOCATE tAPPOBJECT tASYNC tASYNCUUID
151 %token tAUTOHANDLE tBINDABLE tBOOLEAN tBROADCAST tBYTE tBYTECOUNT
152 %token tCALLAS tCALLBACK tCASE tCDECL tCHAR tCOCLASS tCODE tCOMMSTATUS
153 %token tCONST tCONTEXTHANDLE tCONTEXTHANDLENOSERIALIZE
154 %token tCONTEXTHANDLESERIALIZE tCONTROL tCPPQUOTE
155 %token tDEFAULT
156 %token tDEFAULTCOLLELEM
157 %token tDEFAULTVALUE
158 %token tDEFAULTVTABLE
159 %token tDISPLAYBIND
160 %token tDISPINTERFACE
161 %token tDLLNAME tDOUBLE tDUAL
162 %token tENDPOINT
163 %token tENTRY tENUM tERRORSTATUST
164 %token tEXPLICITHANDLE tEXTERN
165 %token tFALSE
166 %token tFLOAT
167 %token tHANDLE
168 %token tHANDLET
169 %token tHELPCONTEXT tHELPFILE
170 %token tHELPSTRING tHELPSTRINGCONTEXT tHELPSTRINGDLL
171 %token tHIDDEN
172 %token tHYPER tID tIDEMPOTENT
173 %token tIIDIS
174 %token tIMMEDIATEBIND
175 %token tIMPLICITHANDLE
176 %token tIMPORT tIMPORTLIB
177 %token tIN tINLINE
178 %token tINPUTSYNC
179 %token tINT tINT64
180 %token tINTERFACE
181 %token tLCID
182 %token tLENGTHIS tLIBRARY
183 %token tLOCAL
184 %token tLONG
185 %token tMETHODS
186 %token tMODULE
187 %token tNONBROWSABLE
188 %token tNONCREATABLE
189 %token tNONEXTENSIBLE
190 %token tOBJECT tODL tOLEAUTOMATION
191 %token tOPTIONAL
192 %token tOUT
193 %token tPOINTERDEFAULT
194 %token tPROPERTIES
195 %token tPROPGET tPROPPUT tPROPPUTREF
196 %token tPTR
197 %token tPUBLIC
198 %token tRANGE
199 %token tREADONLY tREF
200 %token tREQUESTEDIT
201 %token tRESTRICTED
202 %token tRETVAL
203 %token tSAFEARRAY
204 %token tSHORT
205 %token tSIGNED
206 %token tSINGLE
207 %token tSIZEIS tSIZEOF
208 %token tSMALL
209 %token tSOURCE
210 %token tSTDCALL
211 %token tSTRING tSTRUCT
212 %token tSWITCH tSWITCHIS tSWITCHTYPE
213 %token tTRANSMITAS
214 %token tTRUE
215 %token tTYPEDEF
216 %token tUNION
217 %token tUNIQUE
218 %token tUNSIGNED
219 %token tUUID
220 %token tV1ENUM
221 %token tVARARG
222 %token tVERSION
223 %token tVOID
224 %token tWCHAR tWIREMARSHAL
225
226 %type <attr> attribute
227 %type <attr_list> m_attributes attributes attrib_list
228 %type <str_list> str_list
229 %type <expr> m_expr expr expr_const
230 %type <expr_list> m_exprs /* exprs expr_list */ expr_list_const
231 %type <array_dims> array array_list
232 %type <type> inherit interface interfacehdr interfacedef interfacedec
233 %type <type> dispinterface dispinterfacehdr dispinterfacedef
234 %type <type> module modulehdr moduledef
235 %type <type> base_type int_std
236 %type <type> enumdef structdef uniondef
237 %type <type> type
238 %type <ifref> coclass_int
239 %type <ifref_list> gbl_statements coclass_ints
240 %type <var> arg field s_field case enum constdef externdef
241 %type <var_list> m_args no_args args fields cases enums enum_list dispint_props
242 %type <var> m_ident t_ident ident
243 %type <pident> p_ident pident
244 %type <pident_list> pident_list
245 %type <func> funcdef
246 %type <func_list> int_statements dispint_meths
247 %type <type> coclass coclasshdr coclassdef
248 %type <num> pointer_type version
249 %type <str> libraryhdr
250
251 %left ','
252 %right '?' ':'
253 %left '|'
254 %left '&'
255 %left '-' '+'
256 %left '*' '/'
257 %left SHL SHR
258 %right '~'
259 %right CAST
260 %right PPTR
261 %right NEG
262
263 %%
264
265 input: gbl_statements { write_proxies($1); write_client($1); write_server($1); }
266 ;
267
268 gbl_statements: { $$ = NULL; }
269 | gbl_statements interfacedec { $$ = $1; }
270 | gbl_statements interfacedef { $$ = append_ifref( $1, make_ifref($2) ); }
271 | gbl_statements coclass ';' { $$ = $1;
272 reg_type($2, $2->name, 0);
273 if (!parse_only && do_header) write_coclass_forward($2);
274 }
275 | gbl_statements coclassdef { $$ = $1;
276 add_typelib_entry($2);
277 reg_type($2, $2->name, 0);
278 if (!parse_only && do_header) write_coclass_forward($2);
279 }
280 | gbl_statements moduledef { $$ = $1; add_typelib_entry($2); }
281 | gbl_statements librarydef { $$ = $1; }
282 | gbl_statements statement { $$ = $1; }
283 ;
284
285 imp_statements: {}
286 | imp_statements interfacedec { if (!parse_only) add_typelib_entry($2); }
287 | imp_statements interfacedef { if (!parse_only) add_typelib_entry($2); }
288 | imp_statements coclass ';' { reg_type($2, $2->name, 0); if (!parse_only && do_header) write_coclass_forward($2); }
289 | imp_statements coclassdef { if (!parse_only) add_typelib_entry($2);
290 reg_type($2, $2->name, 0);
291 if (!parse_only && do_header) write_coclass_forward($2);
292 }
293 | imp_statements moduledef { if (!parse_only) add_typelib_entry($2); }
294 | imp_statements statement {}
295 | imp_statements importlib {}
296 ;
297
298 int_statements: { $$ = NULL; }
299 | int_statements funcdef ';' { $$ = append_func( $1, $2 ); }
300 | int_statements statement { $$ = $1; }
301 ;
302
303 statement: ';' {}
304 | constdef ';' { if (!parse_only && do_header) { write_constdef($1); } }
305 | cppquote {}
306 | enumdef ';' { if (!parse_only && do_header) { write_type(header, $1); fprintf(header, ";\n\n"); } }
307 | externdef ';' { if (!parse_only && do_header) { write_externdef($1); } }
308 | import {}
309 | structdef ';' { if (!parse_only && do_header) { write_type(header, $1); fprintf(header, ";\n\n"); } }
310 | typedef ';' {}
311 | uniondef ';' { if (!parse_only && do_header) { write_type(header, $1); fprintf(header, ";\n\n"); } }
312 ;
313
314 cppquote: tCPPQUOTE '(' aSTRING ')' { if (!parse_only && do_header) fprintf(header, "%s\n", $3); }
315 ;
316 import_start: tIMPORT aSTRING ';' { assert(yychar == YYEMPTY);
317 if (!do_import($2)) yychar = aEOF; }
318 ;
319 import: import_start imp_statements aEOF {}
320 ;
321
322 importlib: tIMPORTLIB '(' aSTRING ')' { if(!parse_only) add_importlib($3); }
323 ;
324
325 libraryhdr: tLIBRARY aIDENTIFIER { $$ = $2; }
326 ;
327 library_start: attributes libraryhdr '{' { start_typelib($2, $1);
328 if (!parse_only && do_header) write_library($2, $1);
329 if (!parse_only && do_idfile) write_libid($2, $1);
330 }
331 ;
332 librarydef: library_start imp_statements '}' { end_typelib(); }
333 ;
334
335 m_args: { $$ = NULL; }
336 | args
337 ;
338
339 no_args: tVOID { $$ = NULL; }
340 ;
341
342 args: arg { check_arg($1); $$ = append_var( NULL, $1 ); }
343 | args ',' arg { check_arg($3); $$ = append_var( $1, $3); }
344 | no_args
345 ;
346
347 /* split into two rules to get bison to resolve a tVOID conflict */
348 arg: attributes type pident array { $$ = $3->var;
349 set_type($$, $2, $3->ptr_level, $4);
350 free($3);
351 $$->attrs = $1;
352 }
353 | type pident array { $$ = $2->var;
354 set_type($$, $1, $2->ptr_level, $3);
355 free($2);
356 }
357 | attributes type pident '(' m_args ')' { $$ = $3->var;
358 set_type($$, $2, $3->ptr_level - 1, NULL);
359 free($3);
360 $$->attrs = $1;
361 $$->args = $5;
362 }
363 | type pident '(' m_args ')' { $$ = $2->var;
364 set_type($$, $1, $2->ptr_level - 1, NULL);
365 free($2);
366 $$->args = $4;
367 }
368 ;
369
370 array: { $$ = NULL; }
371 | '[' array_list ']' { $$ = $2; }
372 | '[' '*' ']' { $$ = append_array( NULL, make_expr(EXPR_VOID) ); }
373 ;
374
375 array_list: m_expr /* size of first dimension is optional */ { $$ = append_array( NULL, $1 ); }
376 | array_list ',' expr { $$ = append_array( $1, $3 ); }
377 | array_list ']' '[' expr { $$ = append_array( $1, $4 ); }
378 ;
379
380 m_attributes: { $$ = NULL; }
381 | attributes
382 ;
383
384 attributes:
385 '[' attrib_list ']' { $$ = $2;
386 if (!$$)
387 yyerror("empty attribute lists unsupported");
388 }
389 ;
390
391 attrib_list: attribute { $$ = append_attr( NULL, $1 ); }
392 | attrib_list ',' attribute { $$ = append_attr( $1, $3 ); }
393 | attrib_list ']' '[' attribute { $$ = append_attr( $1, $4 ); }
394 ;
395
396 str_list: aSTRING { $$ = append_str( NULL, $1 ); }
397 | str_list ',' aSTRING { $$ = append_str( $1, $3 ); }
398 ;
399
400 attribute: { $$ = NULL; }
401 | tAGGREGATABLE { $$ = make_attr(ATTR_AGGREGATABLE); }
402 | tAPPOBJECT { $$ = make_attr(ATTR_APPOBJECT); }
403 | tASYNC { $$ = make_attr(ATTR_ASYNC); }
404 | tAUTOHANDLE { $$ = make_attr(ATTR_AUTO_HANDLE); }
405 | tBINDABLE { $$ = make_attr(ATTR_BINDABLE); }
406 | tCALLAS '(' ident ')' { $$ = make_attrp(ATTR_CALLAS, $3); }
407 | tCASE '(' expr_list_const ')' { $$ = make_attrp(ATTR_CASE, $3); }
408 | tCONTEXTHANDLE { $$ = make_attrv(ATTR_CONTEXTHANDLE, 0); }
409 | tCONTEXTHANDLENOSERIALIZE { $$ = make_attrv(ATTR_CONTEXTHANDLE, 0); /* RPC_CONTEXT_HANDLE_DONT_SERIALIZE */ }
410 | tCONTEXTHANDLESERIALIZE { $$ = make_attrv(ATTR_CONTEXTHANDLE, 0); /* RPC_CONTEXT_HANDLE_SERIALIZE */ }
411 | tCONTROL { $$ = make_attr(ATTR_CONTROL); }
412 | tDEFAULT { $$ = make_attr(ATTR_DEFAULT); }
413 | tDEFAULTCOLLELEM { $$ = make_attr(ATTR_DEFAULTCOLLELEM); }
414 | tDEFAULTVALUE '(' expr_const ')' { $$ = make_attrp(ATTR_DEFAULTVALUE_EXPR, $3); }
415 | tDEFAULTVALUE '(' aSTRING ')' { $$ = make_attrp(ATTR_DEFAULTVALUE_STRING, $3); }
416 | tDEFAULTVTABLE { $$ = make_attr(ATTR_DEFAULTVTABLE); }
417 | tDISPLAYBIND { $$ = make_attr(ATTR_DISPLAYBIND); }
418 | tDLLNAME '(' aSTRING ')' { $$ = make_attrp(ATTR_DLLNAME, $3); }
419 | tDUAL { $$ = make_attr(ATTR_DUAL); }
420 | tENDPOINT '(' str_list ')' { $$ = make_attrp(ATTR_ENDPOINT, $3); }
421 | tENTRY '(' aSTRING ')' { $$ = make_attrp(ATTR_ENTRY_STRING, $3); }
422 | tENTRY '(' expr_const ')' { $$ = make_attrp(ATTR_ENTRY_ORDINAL, $3); }
423 | tEXPLICITHANDLE { $$ = make_attr(ATTR_EXPLICIT_HANDLE); }
424 | tHANDLE { $$ = make_attr(ATTR_HANDLE); }
425 | tHELPCONTEXT '(' expr_const ')' { $$ = make_attrp(ATTR_HELPCONTEXT, $3); }
426 | tHELPFILE '(' aSTRING ')' { $$ = make_attrp(ATTR_HELPFILE, $3); }
427 | tHELPSTRING '(' aSTRING ')' { $$ = make_attrp(ATTR_HELPSTRING, $3); }
428 | tHELPSTRINGCONTEXT '(' expr_const ')' { $$ = make_attrp(ATTR_HELPSTRINGCONTEXT, $3); }
429 | tHELPSTRINGDLL '(' aSTRING ')' { $$ = make_attrp(ATTR_HELPSTRINGDLL, $3); }
430 | tHIDDEN { $$ = make_attr(ATTR_HIDDEN); }
431 | tID '(' expr_const ')' { $$ = make_attrp(ATTR_ID, $3); }
432 | tIDEMPOTENT { $$ = make_attr(ATTR_IDEMPOTENT); }
433 | tIIDIS '(' ident ')' { $$ = make_attrp(ATTR_IIDIS, $3); }
434 | tIMMEDIATEBIND { $$ = make_attr(ATTR_IMMEDIATEBIND); }
435 | tIMPLICITHANDLE '(' tHANDLET aIDENTIFIER ')' { $$ = make_attrp(ATTR_IMPLICIT_HANDLE, $4); }
436 | tIN { $$ = make_attr(ATTR_IN); }
437 | tINPUTSYNC { $$ = make_attr(ATTR_INPUTSYNC); }
438 | tLENGTHIS '(' m_exprs ')' { $$ = make_attrp(ATTR_LENGTHIS, $3); }
439 | tLOCAL { $$ = make_attr(ATTR_LOCAL); }
440 | tNONBROWSABLE { $$ = make_attr(ATTR_NONBROWSABLE); }
441 | tNONCREATABLE { $$ = make_attr(ATTR_NONCREATABLE); }
442 | tNONEXTENSIBLE { $$ = make_attr(ATTR_NONEXTENSIBLE); }
443 | tOBJECT { $$ = make_attr(ATTR_OBJECT); }
444 | tODL { $$ = make_attr(ATTR_ODL); }
445 | tOLEAUTOMATION { $$ = make_attr(ATTR_OLEAUTOMATION); }
446 | tOPTIONAL { $$ = make_attr(ATTR_OPTIONAL); }
447 | tOUT { $$ = make_attr(ATTR_OUT); }
448 | tPOINTERDEFAULT '(' pointer_type ')' { $$ = make_attrv(ATTR_POINTERDEFAULT, $3); }
449 | tPROPGET { $$ = make_attr(ATTR_PROPGET); }
450 | tPROPPUT { $$ = make_attr(ATTR_PROPPUT); }
451 | tPROPPUTREF { $$ = make_attr(ATTR_PROPPUTREF); }
452 | tPUBLIC { $$ = make_attr(ATTR_PUBLIC); }
453 | tRANGE '(' expr_const ',' expr_const ')' { expr_list_t *list = append_expr( NULL, $3 );
454 list = append_expr( list, $5 );
455 $$ = make_attrp(ATTR_RANGE, list); }
456 | tREADONLY { $$ = make_attr(ATTR_READONLY); }
457 | tREQUESTEDIT { $$ = make_attr(ATTR_REQUESTEDIT); }
458 | tRESTRICTED { $$ = make_attr(ATTR_RESTRICTED); }
459 | tRETVAL { $$ = make_attr(ATTR_RETVAL); }
460 | tSIZEIS '(' m_exprs ')' { $$ = make_attrp(ATTR_SIZEIS, $3); }
461 | tSOURCE { $$ = make_attr(ATTR_SOURCE); }
462 | tSTRING { $$ = make_attr(ATTR_STRING); }
463 | tSWITCHIS '(' expr ')' { $$ = make_attrp(ATTR_SWITCHIS, $3); }
464 | tSWITCHTYPE '(' type ')' { $$ = make_attrp(ATTR_SWITCHTYPE, $3); }
465 | tTRANSMITAS '(' type ')' { $$ = make_attrp(ATTR_TRANSMITAS, $3); }
466 | tUUID '(' aUUID ')' { $$ = make_attrp(ATTR_UUID, $3); }
467 | tV1ENUM { $$ = make_attr(ATTR_V1ENUM); }
468 | tVARARG { $$ = make_attr(ATTR_VARARG); }
469 | tVERSION '(' version ')' { $$ = make_attrv(ATTR_VERSION, $3); }
470 | tWIREMARSHAL '(' type ')' { $$ = make_attrp(ATTR_WIREMARSHAL, $3); }
471 | pointer_type { $$ = make_attrv(ATTR_POINTERTYPE, $1); }
472 ;
473
474 callconv:
475 | tSTDCALL
476 ;
477
478 cases: { $$ = NULL; }
479 | cases case { $$ = append_var( $1, $2 ); }
480 ;
481
482 case: tCASE expr ':' field { attr_t *a = make_attrp(ATTR_CASE, $2);
483 $$ = $4; if (!$$) $$ = make_var(NULL);
484 $$->attrs = append_attr( $$->attrs, a );
485 }
486 | tDEFAULT ':' field { attr_t *a = make_attr(ATTR_DEFAULT);
487 $$ = $3; if (!$$) $$ = make_var(NULL);
488 $$->attrs = append_attr( $$->attrs, a );
489 }
490 ;
491
492 constdef: tCONST type ident '=' expr_const { $$ = reg_const($3);
493 set_type($$, $2, 0, NULL);
494 $$->eval = $5;
495 }
496 ;
497
498 enums: { $$ = NULL; }
499 | enum_list ',' { $$ = $1; }
500 | enum_list
501 ;
502
503 enum_list: enum { if (!$1->eval)
504 $1->eval = make_exprl(EXPR_NUM, 0 /* default for first enum entry */);
505 $$ = append_var( NULL, $1 );
506 }
507 | enum_list ',' enum { if (!$3->eval)
508 {
509 var_t *last = LIST_ENTRY( list_tail($$), var_t, entry );
510 $3->eval = make_exprl(EXPR_NUM, last->eval->cval + 1);
511 }
512 $$ = append_var( $1, $3 );
513 }
514 ;
515
516 enum: ident '=' expr_const { $$ = reg_const($1);
517 $$->eval = $3;
518 $$->type = make_int(0);
519 }
520 | ident { $$ = reg_const($1);
521 $$->type = make_int(0);
522 }
523 ;
524
525 enumdef: tENUM t_ident '{' enums '}' { $$ = get_typev(RPC_FC_ENUM16, $2, tsENUM);
526 $$->kind = TKIND_ENUM;
527 $$->fields = $4;
528 $$->defined = TRUE;
529 if(in_typelib)
530 add_typelib_entry($$);
531 }
532 ;
533
534 m_exprs: m_expr { $$ = append_expr( NULL, $1 ); }
535 | m_exprs ',' m_expr { $$ = append_expr( $1, $3 ); }
536 ;
537
538 /*
539 exprs: { $$ = make_expr(EXPR_VOID); }
540 | expr_list
541 ;
542
543 expr_list: expr
544 | expr_list ',' expr { LINK($3, $1); $$ = $3; }
545 ;
546 */
547
548 m_expr: { $$ = make_expr(EXPR_VOID); }
549 | expr
550 ;
551
552 expr: aNUM { $$ = make_exprl(EXPR_NUM, $1); }
553 | aHEXNUM { $$ = make_exprl(EXPR_HEXNUM, $1); }
554 | tFALSE { $$ = make_exprl(EXPR_TRUEFALSE, 0); }
555 | tTRUE { $$ = make_exprl(EXPR_TRUEFALSE, 1); }
556 | aIDENTIFIER { $$ = make_exprs(EXPR_IDENTIFIER, $1); }
557 | expr '?' expr ':' expr { $$ = make_expr3(EXPR_COND, $1, $3, $5); }
558 | expr '|' expr { $$ = make_expr2(EXPR_OR , $1, $3); }
559 | expr '&' expr { $$ = make_expr2(EXPR_AND, $1, $3); }
560 | expr '+' expr { $$ = make_expr2(EXPR_ADD, $1, $3); }
561 | expr '-' expr { $$ = make_expr2(EXPR_SUB, $1, $3); }
562 | expr '*' expr { $$ = make_expr2(EXPR_MUL, $1, $3); }
563 | expr '/' expr { $$ = make_expr2(EXPR_DIV, $1, $3); }
564 | expr SHL expr { $$ = make_expr2(EXPR_SHL, $1, $3); }
565 | expr SHR expr { $$ = make_expr2(EXPR_SHR, $1, $3); }
566 | '~' expr { $$ = make_expr1(EXPR_NOT, $2); }
567 | '-' expr %prec NEG { $$ = make_expr1(EXPR_NEG, $2); }
568 | '*' expr %prec PPTR { $$ = make_expr1(EXPR_PPTR, $2); }
569 | '(' type ')' expr %prec CAST { $$ = make_exprt(EXPR_CAST, $2, $4); }
570 | tSIZEOF '(' type ')' { $$ = make_exprt(EXPR_SIZEOF, $3, NULL); }
571 | '(' expr ')' { $$ = $2; }
572 ;
573
574 expr_list_const: expr_const { $$ = append_expr( NULL, $1 ); }
575 | expr_list_const ',' expr_const { $$ = append_expr( $1, $3 ); }
576 ;
577
578 expr_const: expr { $$ = $1;
579 if (!$$->is_const)
580 yyerror("expression is not constant");
581 }
582 ;
583
584 externdef: tEXTERN tCONST type ident { $$ = $4;
585 set_type($$, $3, 0, NULL);
586 }
587 ;
588
589 fields: { $$ = NULL; }
590 | fields field { $$ = append_var( $1, $2 ); }
591 ;
592
593 field: s_field ';' { $$ = $1; }
594 | m_attributes uniondef ';' { $$ = make_var(NULL); $$->type = $2; $$->attrs = $1; }
595 | attributes ';' { $$ = make_var(NULL); $$->attrs = $1; }
596 | ';' { $$ = NULL; }
597 ;
598
599 s_field: m_attributes type pident array { $$ = $3->var;
600 set_type($$, $2, $3->ptr_level, $4);
601 free($3);
602 $$->attrs = $1;
603 }
604 ;
605
606 funcdef:
607 m_attributes type callconv pident
608 '(' m_args ')' { var_t *v = $4->var;
609 set_type(v, $2, $4->ptr_level, NULL);
610 free($4);
611 v->attrs = $1;
612 $$ = make_func(v, $6);
613 if (is_attr(v->attrs, ATTR_IN)) {
614 yyerror("inapplicable attribute [in] for function '%s'",$$->def->name);
615 }
616 }
617 ;
618
619 m_ident: { $$ = NULL; }
620 | ident
621 ;
622
623 t_ident: { $$ = NULL; }
624 | aIDENTIFIER { $$ = make_var($1); }
625 | aKNOWNTYPE { $$ = make_var($1); }
626 ;
627
628 ident: aIDENTIFIER { $$ = make_var($1); }
629 /* some "reserved words" used in attributes are also used as field names in some MS IDL files */
630 | aKNOWNTYPE { $$ = make_var($<str>1); }
631 ;
632
633 base_type: tBYTE { $$ = make_builtin($<str>1); }
634 | tWCHAR { $$ = make_builtin($<str>1); }
635 | int_std
636 | tSIGNED int_std { $$ = $2; $$->sign = 1; }
637 | tUNSIGNED int_std { $$ = $2; $$->sign = -1;
638 switch ($$->type) {
639 case RPC_FC_CHAR: break;
640 case RPC_FC_SMALL: $$->type = RPC_FC_USMALL; break;
641 case RPC_FC_SHORT: $$->type = RPC_FC_USHORT; break;
642 case RPC_FC_LONG: $$->type = RPC_FC_ULONG; break;
643 case RPC_FC_HYPER:
644 if ($$->name[0] == 'h') /* hyper, as opposed to __int64 */
645 {
646 $$ = alias($$, "MIDL_uhyper");
647 $$->sign = 0;
648 }
649 break;
650 default: break;
651 }
652 }
653 | tUNSIGNED { $$ = make_int(-1); }
654 | tFLOAT { $$ = make_builtin($<str>1); }
655 | tSINGLE { $$ = duptype(find_type("float", 0), 1); }
656 | tDOUBLE { $$ = make_builtin($<str>1); }
657 | tBOOLEAN { $$ = make_builtin($<str>1); }
658 | tERRORSTATUST { $$ = make_builtin($<str>1); }
659 | tHANDLET { $$ = make_builtin($<str>1); }
660 ;
661
662 m_int:
663 | tINT
664 ;
665
666 int_std: tINT { $$ = make_builtin($<str>1); }
667 | tSHORT m_int { $$ = make_builtin($<str>1); }
668 | tSMALL { $$ = make_builtin($<str>1); }
669 | tLONG m_int { $$ = make_builtin($<str>1); }
670 | tHYPER m_int { $$ = make_builtin($<str>1); }
671 | tINT64 { $$ = make_builtin($<str>1); }
672 | tCHAR { $$ = make_builtin($<str>1); }
673 ;
674
675 coclass: tCOCLASS aIDENTIFIER { $$ = make_class($2); }
676 | tCOCLASS aKNOWNTYPE { $$ = find_type($2, 0);
677 if ($$->defined) yyerror("multiple definition error");
678 if ($$->kind != TKIND_COCLASS) yyerror("%s was not declared a coclass", $2);
679 }
680 ;
681
682 coclasshdr: attributes coclass { $$ = $2;
683 $$->attrs = $1;
684 if (!parse_only && do_header)
685 write_coclass($$);
686 if (!parse_only && do_idfile)
687 write_clsid($$);
688 }
689 ;
690
691 coclassdef: coclasshdr '{' coclass_ints '}' { $$ = $1;
692 $$->ifaces = $3;
693 $$->defined = TRUE;
694 }
695 ;
696
697 coclass_ints: { $$ = NULL; }
698 | coclass_ints coclass_int { $$ = append_ifref( $1, $2 ); }
699 ;
700
701 coclass_int:
702 m_attributes interfacedec { $$ = make_ifref($2); $$->attrs = $1; }
703 ;
704
705 dispinterface: tDISPINTERFACE aIDENTIFIER { $$ = get_type(0, $2, 0); $$->kind = TKIND_DISPATCH; }
706 | tDISPINTERFACE aKNOWNTYPE { $$ = get_type(0, $2, 0); $$->kind = TKIND_DISPATCH; }
707 ;
708
709 dispinterfacehdr: attributes dispinterface { attr_t *attrs;
710 $$ = $2;
711 if ($$->defined) yyerror("multiple definition error");
712 attrs = make_attr(ATTR_DISPINTERFACE);
713 $$->attrs = append_attr( $1, attrs );
714 $$->ref = find_type("IDispatch", 0);
715 if (!$$->ref) yyerror("IDispatch is undefined");
716 $$->defined = TRUE;
717 if (!parse_only && do_header) write_forward($$);
718 }
719 ;
720
721 dispint_props: tPROPERTIES ':' { $$ = NULL; }
722 | dispint_props s_field ';' { $$ = append_var( $1, $2 ); }
723 ;
724
725 dispint_meths: tMETHODS ':' { $$ = NULL; }
726 | dispint_meths funcdef ';' { $$ = append_func( $1, $2 ); }
727 ;
728
729 dispinterfacedef: dispinterfacehdr '{'
730 dispint_props
731 dispint_meths
732 '}' { $$ = $1;
733 $$->fields = $3;
734 $$->funcs = $4;
735 if (!parse_only && do_header) write_dispinterface($$);
736 if (!parse_only && do_idfile) write_diid($$);
737 }
738 | dispinterfacehdr
739 '{' interface ';' '}' { $$ = $1;
740 $$->fields = $3->fields;
741 $$->funcs = $3->funcs;
742 if (!parse_only && do_header) write_dispinterface($$);
743 if (!parse_only && do_idfile) write_diid($$);
744 }
745 ;
746
747 inherit: { $$ = NULL; }
748 | ':' aKNOWNTYPE { $$ = find_type2($2, 0); }
749 ;
750
751 interface: tINTERFACE aIDENTIFIER { $$ = get_type(RPC_FC_IP, $2, 0); $$->kind = TKIND_INTERFACE; }
752 | tINTERFACE aKNOWNTYPE { $$ = get_type(RPC_FC_IP, $2, 0); $$->kind = TKIND_INTERFACE; }
753 ;
754
755 interfacehdr: attributes interface { $$ = $2;
756 if ($$->defined) yyerror("multiple definition error");
757 $$->attrs = $1;
758 $$->defined = TRUE;
759 if (!parse_only && do_header) write_forward($$);
760 }
761 ;
762
763 interfacedef: interfacehdr inherit
764 '{' int_statements '}' { $$ = $1;
765 $$->ref = $2;
766 $$->funcs = $4;
767 compute_method_indexes($$);
768 if (!parse_only && do_header) write_interface($$);
769 if (!parse_only && do_idfile) write_iid($$);
770 }
771 /* MIDL is able to import the definition of a base class from inside the
772 * definition of a derived class, I'll try to support it with this rule */
773 | interfacehdr ':' aIDENTIFIER
774 '{' import int_statements '}' { $$ = $1;
775 $$->ref = find_type2($3, 0);
776 if (!$$->ref) yyerror("base class '%s' not found in import", $3);
777 $$->funcs = $6;
778 compute_method_indexes($$);
779 if (!parse_only && do_header) write_interface($$);
780 if (!parse_only && do_idfile) write_iid($$);
781 }
782 | dispinterfacedef { $$ = $1; }
783 ;
784
785 interfacedec:
786 interface ';' { $$ = $1; if (!parse_only && do_header) write_forward($$); }
787 | dispinterface ';' { $$ = $1; if (!parse_only && do_header) write_forward($$); }
788 ;
789
790 module: tMODULE aIDENTIFIER { $$ = make_type(0, NULL); $$->name = $2; $$->kind = TKIND_MODULE; }
791 | tMODULE aKNOWNTYPE { $$ = make_type(0, NULL); $$->name = $2; $$->kind = TKIND_MODULE; }
792 ;
793
794 modulehdr: attributes module { $$ = $2;
795 $$->attrs = $1;
796 }
797 ;
798
799 moduledef: modulehdr '{' int_statements '}' { $$ = $1;
800 $$->funcs = $3;
801 /* FIXME: if (!parse_only && do_header) write_module($$); */
802 }
803 ;
804
805 p_ident: '*' pident %prec PPTR { $$ = $2; $$->ptr_level++; }
806 | tCONST p_ident { $$ = $2; /* FIXME */ }
807 ;
808
809 pident: ident { $$ = make_pident($1); }
810 | p_ident
811 | '(' pident ')' { $$ = $2; }
812 ;
813
814 pident_list:
815 pident { $$ = append_pident( NULL, $1 ); }
816 | pident_list ',' pident { $$ = append_pident( $1, $3 ); }
817 ;
818
819 pointer_type:
820 tREF { $$ = RPC_FC_RP; }
821 | tUNIQUE { $$ = RPC_FC_UP; }
822 | tPTR { $$ = RPC_FC_FP; }
823 ;
824
825 structdef: tSTRUCT t_ident '{' fields '}' { $$ = get_typev(RPC_FC_STRUCT, $2, tsSTRUCT);
826 /* overwrite RPC_FC_STRUCT with a more exact type */
827 $$->type = get_struct_type( $4 );
828 $$->kind = TKIND_RECORD;
829 $$->fields = $4;
830 $$->defined = TRUE;
831 if(in_typelib)
832 add_typelib_entry($$);
833 }
834 ;
835
836 type: tVOID { $$ = duptype(find_type("void", 0), 1); }
837 | aKNOWNTYPE { $$ = find_type($1, 0); }
838 | base_type { $$ = $1; }
839 | tCONST type { $$ = duptype($2, 1); $$->is_const = TRUE; }
840 | enumdef { $$ = $1; }
841 | tENUM aIDENTIFIER { $$ = find_type2($2, tsENUM); }
842 | structdef { $$ = $1; }
843 | tSTRUCT aIDENTIFIER { $$ = get_type(RPC_FC_STRUCT, $2, tsSTRUCT); }
844 | uniondef { $$ = $1; }
845 | tUNION aIDENTIFIER { $$ = find_type2($2, tsUNION); }
846 | tSAFEARRAY '(' type ')' { $$ = make_safearray($3); }
847 ;
848
849 typedef: tTYPEDEF m_attributes type pident_list { reg_typedefs($3, $4, $2);
850 process_typedefs($4);
851 }
852 ;
853
854 uniondef: tUNION t_ident '{' fields '}' { $$ = get_typev(RPC_FC_NON_ENCAPSULATED_UNION, $2, tsUNION);
855 $$->kind = TKIND_UNION;
856 $$->fields = $4;
857 $$->defined = TRUE;
858 }
859 | tUNION t_ident
860 tSWITCH '(' s_field ')'
861 m_ident '{' cases '}' { var_t *u = $7;
862 $$ = get_typev(RPC_FC_ENCAPSULATED_UNION, $2, tsUNION);
863 $$->kind = TKIND_UNION;
864 if (!u) u = make_var( xstrdup("tagged_union") );
865 u->type = make_type(RPC_FC_NON_ENCAPSULATED_UNION, NULL);
866 u->type->kind = TKIND_UNION;
867 u->type->fields = $9;
868 u->type->defined = TRUE;
869 $$->fields = append_var( $$->fields, $5 );
870 $$->fields = append_var( $$->fields, u );
871 $$->defined = TRUE;
872 }
873 ;
874
875 version:
876 aNUM { $$ = MAKELONG($1, 0); }
877 | aNUM '.' aNUM { $$ = MAKELONG($1, $3); }
878 ;
879
880 %%
881
882 static void decl_builtin(const char *name, unsigned char type)
883 {
884 type_t *t = make_type(type, NULL);
885 t->name = xstrdup(name);
886 reg_type(t, name, 0);
887 }
888
889 static type_t *make_builtin(char *name)
890 {
891 /* NAME is strdup'd in the lexer */
892 type_t *t = duptype(find_type(name, 0), 0);
893 t->name = name;
894 return t;
895 }
896
897 static type_t *make_int(int sign)
898 {
899 type_t *t = duptype(find_type("int", 0), 1);
900
901 t->sign = sign;
902 if (sign < 0)
903 t->type = t->type == RPC_FC_LONG ? RPC_FC_ULONG : RPC_FC_USHORT;
904
905 return t;
906 }
907
908 void init_types(void)
909 {
910 decl_builtin("void", 0);
911 decl_builtin("byte", RPC_FC_BYTE);
912 decl_builtin("wchar_t", RPC_FC_WCHAR);
913 decl_builtin("int", RPC_FC_LONG); /* win32 */
914 decl_builtin("short", RPC_FC_SHORT);
915 decl_builtin("small", RPC_FC_SMALL);
916 decl_builtin("long", RPC_FC_LONG);
917 decl_builtin("hyper", RPC_FC_HYPER);
918 decl_builtin("__int64", RPC_FC_HYPER);
919 decl_builtin("char", RPC_FC_CHAR);
920 decl_builtin("float", RPC_FC_FLOAT);
921 decl_builtin("double", RPC_FC_DOUBLE);
922 decl_builtin("boolean", RPC_FC_BYTE);
923 decl_builtin("error_status_t", RPC_FC_ERROR_STATUS_T);
924 decl_builtin("handle_t", RPC_FC_BIND_PRIMITIVE);
925 }
926
927 static str_list_t *append_str(str_list_t *list, char *str)
928 {
929 struct str_list_entry_t *entry;
930
931 if (!str) return list;
932 if (!list)
933 {
934 list = xmalloc( sizeof(*list) );
935 list_init( list );
936 }
937 entry = xmalloc( sizeof(*entry) );
938 entry->str = str;
939 list_add_tail( list, &entry->entry );
940 return list;
941 }
942
943 static attr_list_t *append_attr(attr_list_t *list, attr_t *attr)
944 {
945 if (!attr) return list;
946 if (!list)
947 {
948 list = xmalloc( sizeof(*list) );
949 list_init( list );
950 }
951 list_add_tail( list, &attr->entry );
952 return list;
953 }
954
955 static attr_t *make_attr(enum attr_type type)
956 {
957 attr_t *a = xmalloc(sizeof(attr_t));
958 a->type = type;
959 a->u.ival = 0;
960 return a;
961 }
962
963 static attr_t *make_attrv(enum attr_type type, unsigned long val)
964 {
965 attr_t *a = xmalloc(sizeof(attr_t));
966 a->type = type;
967 a->u.ival = val;
968 return a;
969 }
970
971 static attr_t *make_attrp(enum attr_type type, void *val)
972 {
973 attr_t *a = xmalloc(sizeof(attr_t));
974 a->type = type;
975 a->u.pval = val;
976 return a;
977 }
978
979 static expr_t *make_expr(enum expr_type type)
980 {
981 expr_t *e = xmalloc(sizeof(expr_t));
982 e->type = type;
983 e->ref = NULL;
984 e->u.lval = 0;
985 e->is_const = FALSE;
986 return e;
987 }
988
989 static expr_t *make_exprl(enum expr_type type, long val)
990 {
991 expr_t *e = xmalloc(sizeof(expr_t));
992 e->type = type;
993 e->ref = NULL;
994 e->u.lval = val;
995 e->is_const = FALSE;
996 /* check for numeric constant */
997 if (type == EXPR_NUM || type == EXPR_HEXNUM || type == EXPR_TRUEFALSE) {
998 /* make sure true/false value is valid */
999 assert(type != EXPR_TRUEFALSE || val == 0 || val == 1);
1000 e->is_const = TRUE;
1001 e->cval = val;
1002 }
1003 return e;
1004 }
1005
1006 static expr_t *make_exprs(enum expr_type type, char *val)
1007 {
1008 expr_t *e;
1009 e = xmalloc(sizeof(expr_t));
1010 e->type = type;
1011 e->ref = NULL;
1012 e->u.sval = val;
1013 e->is_const = FALSE;
1014 /* check for predefined constants */
1015 if (type == EXPR_IDENTIFIER) {
1016 var_t *c = find_const(val, 0);
1017 if (c) {
1018 e->u.sval = c->name;
1019 free(val);
1020 e->is_const = TRUE;
1021 e->cval = c->eval->cval;
1022 }
1023 }
1024 return e;
1025 }
1026
1027 static expr_t *make_exprt(enum expr_type type, type_t *tref, expr_t *expr)
1028 {
1029 expr_t *e;
1030 e = xmalloc(sizeof(expr_t));
1031 e->type = type;
1032 e->ref = expr;
1033 e->u.tref = tref;
1034 e->is_const = FALSE;
1035 /* check for cast of constant expression */
1036 if (type == EXPR_SIZEOF) {
1037 switch (tref->type) {
1038 case RPC_FC_BYTE:
1039 case RPC_FC_CHAR:
1040 case RPC_FC_SMALL:
1041 case RPC_FC_USMALL:
1042 e->is_const = TRUE;
1043 e->cval = 1;
1044 break;
1045 case RPC_FC_WCHAR:
1046 case RPC_FC_USHORT:
1047 case RPC_FC_SHORT:
1048 e->is_const = TRUE;
1049 e->cval = 2;
1050 break;
1051 case RPC_FC_LONG:
1052 case RPC_FC_ULONG:
1053 case RPC_FC_FLOAT:
1054 case RPC_FC_ERROR_STATUS_T:
1055 e->is_const = TRUE;
1056 e->cval = 4;
1057 break;
1058 case RPC_FC_HYPER:
1059 case RPC_FC_DOUBLE:
1060 e->is_const = TRUE;
1061 e->cval = 8;
1062 break;
1063 }
1064 }
1065 if (type == EXPR_CAST && expr->is_const) {
1066 e->is_const = TRUE;
1067 e->cval = expr->cval;
1068 }
1069 return e;
1070 }
1071
1072 static expr_t *make_expr1(enum expr_type type, expr_t *expr)
1073 {
1074 expr_t *e;
1075 e = xmalloc(sizeof(expr_t));
1076 e->type = type;
1077 e->ref = expr;
1078 e->u.lval = 0;
1079 e->is_const = FALSE;
1080 /* check for compile-time optimization */
1081 if (expr->is_const) {
1082 e->is_const = TRUE;
1083 switch (type) {
1084 case EXPR_NEG:
1085 e->cval = -expr->cval;
1086 break;
1087 case EXPR_NOT:
1088 e->cval = ~expr->cval;
1089 break;
1090 default:
1091 e->is_const = FALSE;
1092 break;
1093 }
1094 }
1095 return e;
1096 }
1097
1098 static expr_t *make_expr2(enum expr_type type, expr_t *expr1, expr_t *expr2)
1099 {
1100 expr_t *e;
1101 e = xmalloc(sizeof(expr_t));
1102 e->type = type;
1103 e->ref = expr1;
1104 e->u.ext = expr2;
1105 e->is_const = FALSE;
1106 /* check for compile-time optimization */
1107 if (expr1->is_const && expr2->is_const) {
1108 e->is_const = TRUE;
1109 switch (type) {
1110 case EXPR_ADD:
1111 e->cval = expr1->cval + expr2->cval;
1112 break;
1113 case EXPR_SUB:
1114 e->cval = expr1->cval - expr2->cval;
1115 break;
1116 case EXPR_MUL:
1117 e->cval = expr1->cval * expr2->cval;
1118 break;
1119 case EXPR_DIV:
1120 e->cval = expr1->cval / expr2->cval;
1121 break;
1122 case EXPR_OR:
1123 e->cval = expr1->cval | expr2->cval;
1124 break;
1125 case EXPR_AND:
1126 e->cval = expr1->cval & expr2->cval;
1127 break;
1128 case EXPR_SHL:
1129 e->cval = expr1->cval << expr2->cval;
1130 break;
1131 case EXPR_SHR:
1132 e->cval = expr1->cval >> expr2->cval;
1133 break;
1134 default:
1135 e->is_const = FALSE;
1136 break;
1137 }
1138 }
1139 return e;
1140 }
1141
1142 static expr_t *make_expr3(enum expr_type type, expr_t *expr1, expr_t *expr2, expr_t *expr3)
1143 {
1144 expr_t *e;
1145 e = xmalloc(sizeof(expr_t));
1146 e->type = type;
1147 e->ref = expr1;
1148 e->u.ext = expr2;
1149 e->ext2 = expr3;
1150 e->is_const = FALSE;
1151 /* check for compile-time optimization */
1152 if (expr1->is_const && expr2->is_const && expr3->is_const) {
1153 e->is_const = TRUE;
1154 switch (type) {
1155 case EXPR_COND:
1156 e->cval = expr1->cval ? expr2->cval : expr3->cval;
1157 break;
1158 default:
1159 e->is_const = FALSE;
1160 break;
1161 }
1162 }
1163 return e;
1164 }
1165
1166 static expr_list_t *append_expr(expr_list_t *list, expr_t *expr)
1167 {
1168 if (!expr) return list;
1169 if (!list)
1170 {
1171 list = xmalloc( sizeof(*list) );
1172 list_init( list );
1173 }
1174 list_add_tail( list, &expr->entry );
1175 return list;
1176 }
1177
1178 static array_dims_t *append_array(array_dims_t *list, expr_t *expr)
1179 {
1180 if (!expr) return list;
1181 if (!list)
1182 {
1183 list = xmalloc( sizeof(*list) );
1184 list_init( list );
1185 }
1186 list_add_tail( list, &expr->entry );
1187 return list;
1188 }
1189
1190 static type_t *make_type(unsigned char type, type_t *ref)
1191 {
1192 type_t *t = xmalloc(sizeof(type_t));
1193 t->name = NULL;
1194 t->kind = TKIND_PRIMITIVE;
1195 t->type = type;
1196 t->ref = ref;
1197 t->attrs = NULL;
1198 t->orig = NULL;
1199 t->funcs = NULL;
1200 t->fields = NULL;
1201 t->ifaces = NULL;
1202 t->typestring_offset = 0;
1203 t->ignore = parse_only;
1204 t->is_const = FALSE;
1205 t->sign = 0;
1206 t->defined = FALSE;
1207 t->written = FALSE;
1208 t->user_types_registered = FALSE;
1209 t->typelib_idx = -1;
1210 return t;
1211 }
1212
1213 static void set_type(var_t *v, type_t *type, int ptr_level, array_dims_t *arr)
1214 {
1215 v->type = type;
1216 v->array = arr;
1217
1218 for ( ; 0 < ptr_level; --ptr_level)
1219 v->type = make_type(RPC_FC_RP, v->type);
1220 }
1221
1222 static ifref_list_t *append_ifref(ifref_list_t *list, ifref_t *iface)
1223 {
1224 if (!iface) return list;
1225 if (!list)
1226 {
1227 list = xmalloc( sizeof(*list) );
1228 list_init( list );
1229 }
1230 list_add_tail( list, &iface->entry );
1231 return list;
1232 }
1233
1234 static ifref_t *make_ifref(type_t *iface)
1235 {
1236 ifref_t *l = xmalloc(sizeof(ifref_t));
1237 l->iface = iface;
1238 l->attrs = NULL;
1239 return l;
1240 }
1241
1242 static var_list_t *append_var(var_list_t *list, var_t *var)
1243 {
1244 if (!var) return list;
1245 if (!list)
1246 {
1247 list = xmalloc( sizeof(*list) );
1248 list_init( list );
1249 }
1250 list_add_tail( list, &var->entry );
1251 return list;
1252 }
1253
1254 static var_t *make_var(char *name)
1255 {
1256 var_t *v = xmalloc(sizeof(var_t));
1257 v->name = name;
1258 v->type = NULL;
1259 v->args = NULL;
1260 v->attrs = NULL;
1261 v->array = NULL;
1262 v->eval = NULL;
1263 v->corrdesc = 0;
1264 return v;
1265 }
1266
1267 static pident_list_t *append_pident(pident_list_t *list, pident_t *p)
1268 {
1269 if (!p) return list;
1270 if (!list) {
1271 list = xmalloc(sizeof(*list));
1272 list_init(list);
1273 }
1274 list_add_tail(list, &p->entry);
1275 return list;
1276 }
1277
1278 static pident_t *make_pident(var_t *var)
1279 {
1280 pident_t *p = xmalloc(sizeof(*p));
1281 p->var = var;
1282 p->ptr_level = 0;
1283 return p;
1284 }
1285
1286 static func_list_t *append_func(func_list_t *list, func_t *func)
1287 {
1288 if (!func) return list;
1289 if (!list)
1290 {
1291 list = xmalloc( sizeof(*list) );
1292 list_init( list );
1293 }
1294 list_add_tail( list, &func->entry );
1295 return list;
1296 }
1297
1298 static func_t *make_func(var_t *def, var_list_t *args)
1299 {
1300 func_t *f = xmalloc(sizeof(func_t));
1301 f->def = def;
1302 f->args = args;
1303 f->ignore = parse_only;
1304 f->idx = -1;
1305 return f;
1306 }
1307
1308 static type_t *make_class(char *name)
1309 {
1310 type_t *c = make_type(0, NULL);
1311 c->name = name;
1312 c->kind = TKIND_COCLASS;
1313 return c;
1314 }
1315
1316 static type_t *make_safearray(type_t *type)
1317 {
1318 type_t *sa = duptype(find_type("SAFEARRAY", 0), 1);
1319 sa->ref = type;
1320 return make_type(RPC_FC_FP, sa);
1321 }
1322
1323 #define HASHMAX 64
1324
1325 static int hash_ident(const char *name)
1326 {
1327 const char *p = name;
1328 int sum = 0;
1329 /* a simple sum hash is probably good enough */
1330 while (*p) {
1331 sum += *p;
1332 p++;
1333 }
1334 return sum & (HASHMAX-1);
1335 }
1336
1337 /***** type repository *****/
1338
1339 struct rtype {
1340 const char *name;
1341 type_t *type;
1342 int t;
1343 struct rtype *next;
1344 };
1345
1346 struct rtype *type_hash[HASHMAX];
1347
1348 static type_t *reg_type(type_t *type, const char *name, int t)
1349 {
1350 struct rtype *nt;
1351 int hash;
1352 if (!name) {
1353 yyerror("registering named type without name");
1354 return type;
1355 }
1356 hash = hash_ident(name);
1357 nt = xmalloc(sizeof(struct rtype));
1358 nt->name = name;
1359 nt->type = type;
1360 nt->t = t;
1361 nt->next = type_hash[hash];
1362 type_hash[hash] = nt;
1363 return type;
1364 }
1365
1366 static type_t *reg_typedefs(type_t *type, pident_list_t *pidents, attr_list_t *attrs)
1367 {
1368 type_t *ptr = type;
1369 const pident_t *pident;
1370 int ptrc = 0;
1371 int is_str = is_attr(attrs, ATTR_STRING);
1372 unsigned char ptr_type = get_attrv(attrs, ATTR_POINTERTYPE);
1373
1374 if (is_str)
1375 {
1376 type_t *t = type;
1377 unsigned char c;
1378
1379 while (is_ptr(t))
1380 t = t->ref;
1381
1382 c = t->type;
1383 if (c != RPC_FC_CHAR && c != RPC_FC_BYTE && c != RPC_FC_WCHAR)
1384 {
1385 pident = LIST_ENTRY( list_head( pidents ), const pident_t, entry );
1386 yyerror("'%s': [string] attribute is only valid on 'char', 'byte', or 'wchar_t' pointers and arrays",
1387 pident->var->name);
1388 }
1389 }
1390
1391 /* We must generate names for tagless enum, struct or union.
1392 Typedef-ing a tagless enum, struct or union means we want the typedef
1393 to be included in a library whether it has other attributes or not,
1394 hence the public attribute. */
1395 if ((type->kind == TKIND_ENUM || type->kind == TKIND_RECORD
1396 || type->kind == TKIND_UNION) && ! type->name && ! parse_only)
1397 {
1398 if (! is_attr(attrs, ATTR_PUBLIC))
1399 attrs = append_attr( attrs, make_attr(ATTR_PUBLIC) );
1400 type->name = gen_name();
1401 }
1402
1403 LIST_FOR_EACH_ENTRY( pident, pidents, const pident_t, entry )
1404 {
1405 var_t *name = pident->var;
1406
1407 if (name->name) {
1408 type_t *cur = ptr;
1409 int cptr = pident->ptr_level;
1410 if (cptr > ptrc) {
1411 while (cptr > ptrc) {
1412 cur = ptr = make_type(RPC_FC_RP, cur);
1413 ptrc++;
1414 }
1415 } else {
1416 while (cptr < ptrc) {
1417 cur = cur->ref;
1418 cptr++;
1419 }
1420 }
1421 cur = alias(cur, name->name);
1422 cur->attrs = attrs;
1423 if (ptr_type)
1424 {
1425 if (is_ptr(cur))
1426 cur->type = ptr_type;
1427 else
1428 yyerror("'%s': pointer attribute applied to non-pointer type",
1429 cur->name);
1430 }
1431 else if (is_str && ! is_ptr(cur))
1432 yyerror("'%s': [string] attribute applied to non-pointer type",
1433 cur->name);
1434
1435 reg_type(cur, cur->name, 0);
1436 }
1437 }
1438 return type;
1439 }
1440
1441 static type_t *find_type(const char *name, int t)
1442 {
1443 struct rtype *cur = type_hash[hash_ident(name)];
1444 while (cur && (cur->t != t || strcmp(cur->name, name)))
1445 cur = cur->next;
1446 if (!cur) {
1447 yyerror("type '%s' not found", name);
1448 return NULL;
1449 }
1450 return cur->type;
1451 }
1452
1453 static type_t *find_type2(char *name, int t)
1454 {
1455 type_t *tp = find_type(name, t);
1456 free(name);
1457 return tp;
1458 }
1459
1460 int is_type(const char *name)
1461 {
1462 struct rtype *cur = type_hash[hash_ident(name)];
1463 while (cur && (cur->t || strcmp(cur->name, name)))
1464 cur = cur->next;
1465 if (cur) return TRUE;
1466 return FALSE;
1467 }
1468
1469 static type_t *get_type(unsigned char type, char *name, int t)
1470 {
1471 struct rtype *cur = NULL;
1472 type_t *tp;
1473 if (name) {
1474 cur = type_hash[hash_ident(name)];
1475 while (cur && (cur->t != t || strcmp(cur->name, name)))
1476 cur = cur->next;
1477 }
1478 if (cur) {
1479 free(name);
1480 return cur->type;
1481 }
1482 tp = make_type(type, NULL);
1483 tp->name = name;
1484 if (!name) return tp;
1485 return reg_type(tp, name, t);
1486 }
1487
1488 static type_t *get_typev(unsigned char type, var_t *name, int t)
1489 {
1490 char *sname = NULL;
1491 if (name) {
1492 sname = name->name;
1493 free(name);
1494 }
1495 return get_type(type, sname, t);
1496 }
1497
1498 static int get_struct_type(var_list_t *fields)
1499 {
1500 int has_pointer = 0;
1501 int has_conformance = 0;
1502 int has_variance = 0;
1503 var_t *field;
1504
1505 if (fields) LIST_FOR_EACH_ENTRY( field, fields, var_t, entry )
1506 {
1507 type_t *t = field->type;
1508
1509 if (is_ptr(field->type))
1510 {
1511 has_pointer = 1;
1512 continue;
1513 }
1514
1515 if (is_string_type(field->attrs, field->type, field->array))
1516 {
1517 has_conformance = 1;
1518 has_variance = 1;
1519 continue;
1520 }
1521
1522 if (is_array_type(field->attrs, field->type, field->array))
1523 {
1524 if (field->array && is_conformant_array(field->array))
1525 {
1526 has_conformance = 1;
1527 if (list_next( fields, &field->entry ))
1528 yyerror("field '%s' deriving from a conformant array must be the last field in the structure",
1529 field->name);
1530 }
1531 if (is_attr(field->attrs, ATTR_LENGTHIS))
1532 has_variance = 1;
1533 }
1534
1535 switch (t->type)
1536 {
1537 /*
1538 * RPC_FC_BYTE, RPC_FC_STRUCT, etc
1539 * Simple types don't effect the type of struct.
1540 * A struct containing a simple struct is still a simple struct.
1541 * So long as we can block copy the data, we return RPC_FC_STRUCT.
1542 */
1543 case 0: /* void pointer */
1544 case RPC_FC_BYTE:
1545 case RPC_FC_CHAR:
1546 case RPC_FC_SMALL:
1547 case RPC_FC_USMALL:
1548 case RPC_FC_WCHAR:
1549 case RPC_FC_SHORT:
1550 case RPC_FC_USHORT:
1551 case RPC_FC_LONG:
1552 case RPC_FC_ULONG:
1553 case RPC_FC_INT3264:
1554 case RPC_FC_UINT3264:
1555 case RPC_FC_HYPER:
1556 case RPC_FC_FLOAT:
1557 case RPC_FC_DOUBLE:
1558 case RPC_FC_STRUCT:
1559 case RPC_FC_ENUM16:
1560 case RPC_FC_ENUM32:
1561 break;
1562
1563 case RPC_FC_RP:
1564 case RPC_FC_UP:
1565 case RPC_FC_FP:
1566 case RPC_FC_OP:
1567 has_pointer = 1;
1568 break;
1569 case RPC_FC_CARRAY:
1570 has_conformance = 1;
1571 if (list_next( fields, &field->entry ))
1572 yyerror("field '%s' deriving from a conformant array must be the last field in the structure",
1573 field->name);
1574 break;
1575
1576 /*
1577 * Propagate member attributes
1578 * a struct should be at least as complex as its member
1579 */
1580 case RPC_FC_CVSTRUCT:
1581 has_conformance = 1;
1582 has_variance = 1;
1583 has_pointer = 1;
1584 break;
1585
1586 case RPC_FC_CPSTRUCT:
1587 has_conformance = 1;
1588 if (list_next( fields, &field->entry ))
1589 yyerror("field '%s' deriving from a conformant array must be the last field in the structure",
1590 field->name);
1591 has_pointer = 1;
1592 break;
1593
1594 case RPC_FC_CSTRUCT:
1595 has_conformance = 1;
1596 if (list_next( fields, &field->entry ))
1597 yyerror("field '%s' deriving from a conformant array must be the last field in the structure",
1598 field->name);
1599 break;
1600
1601 case RPC_FC_PSTRUCT:
1602 has_pointer = 1;
1603 break;
1604
1605 default:
1606 fprintf(stderr,"Unknown struct member %s with type (0x%02x)\n",
1607 field->name, t->type);
1608 /* fallthru - treat it as complex */
1609
1610 /* as soon as we see one of these these members, it's bogus... */
1611 case RPC_FC_IP:
1612 case RPC_FC_ENCAPSULATED_UNION:
1613 case RPC_FC_NON_ENCAPSULATED_UNION:
1614 case RPC_FC_TRANSMIT_AS:
1615 case RPC_FC_REPRESENT_AS:
1616 case RPC_FC_PAD:
1617 case RPC_FC_EMBEDDED_COMPLEX:
1618 case RPC_FC_BOGUS_STRUCT:
1619 return RPC_FC_BOGUS_STRUCT;
1620 }
1621 }
1622
1623 if( has_variance )
1624 return RPC_FC_CVSTRUCT;
1625 if( has_conformance && has_pointer )
1626 return RPC_FC_CPSTRUCT;
1627 if( has_conformance )
1628 return RPC_FC_CSTRUCT;
1629 if( has_pointer )
1630 return RPC_FC_PSTRUCT;
1631 return RPC_FC_STRUCT;
1632 }
1633
1634 /***** constant repository *****/
1635
1636 struct rconst {
1637 char *name;
1638 var_t *var;
1639 struct rconst *next;
1640 };
1641
1642 struct rconst *const_hash[HASHMAX];
1643
1644 static var_t *reg_const(var_t *var)
1645 {
1646 struct rconst *nc;
1647 int hash;
1648 if (!var->name) {
1649 yyerror("registering constant without name");
1650 return var;
1651 }
1652 hash = hash_ident(var->name);
1653 nc = xmalloc(sizeof(struct rconst));
1654 nc->name = var->name;
1655 nc->var = var;
1656 nc->next = const_hash[hash];
1657 const_hash[hash] = nc;
1658 return var;
1659 }
1660
1661 static var_t *find_const(char *name, int f)
1662 {
1663 struct rconst *cur = const_hash[hash_ident(name)];
1664 while (cur && strcmp(cur->name, name))
1665 cur = cur->next;
1666 if (!cur) {
1667 if (f) yyerror("constant '%s' not found", name);
1668 return NULL;
1669 }
1670 return cur->var;
1671 }
1672
1673 static void write_libid(const char *name, const attr_list_t *attr)
1674 {
1675 const UUID *uuid = get_attrp(attr, ATTR_UUID);
1676 write_guid(idfile, "LIBID", name, uuid);
1677 }
1678
1679 static void write_clsid(type_t *cls)
1680 {
1681 const UUID *uuid = get_attrp(cls->attrs, ATTR_UUID);
1682 write_guid(idfile, "CLSID", cls->name, uuid);
1683 }
1684
1685 static void write_diid(type_t *iface)
1686 {
1687 const UUID *uuid = get_attrp(iface->attrs, ATTR_UUID);
1688 write_guid(idfile, "DIID", iface->name, uuid);
1689 }
1690
1691 static void write_iid(type_t *iface)
1692 {
1693 const UUID *uuid = get_attrp(iface->attrs, ATTR_UUID);
1694 write_guid(idfile, "IID", iface->name, uuid);
1695 }
1696
1697 static int compute_method_indexes(type_t *iface)
1698 {
1699 int idx;
1700 func_t *f;
1701
1702 if (iface->ref)
1703 idx = compute_method_indexes(iface->ref);
1704 else
1705 idx = 0;
1706
1707 if (!iface->funcs)
1708 return idx;
1709
1710 LIST_FOR_EACH_ENTRY( f, iface->funcs, func_t, entry )
1711 if (! is_callas(f->def->attrs))
1712 f->idx = idx++;
1713
1714 return idx;
1715 }
1716
1717 static char *gen_name(void)
1718 {
1719 static const char format[] = "__WIDL_%s_generated_name_%08lX";
1720 static unsigned long n = 0;
1721 static const char *file_id;
1722 static size_t size;
1723 char *name;
1724
1725 if (! file_id)
1726 {
1727 char *dst = dup_basename(input_name, ".idl");
1728 file_id = dst;
1729
1730 for (; *dst; ++dst)
1731 if (! isalnum((unsigned char) *dst))
1732 *dst = '_';
1733
1734 size = sizeof format - 7 + strlen(file_id) + 8;
1735 }
1736
1737 name = xmalloc(size);
1738 sprintf(name, format, file_id, n++);
1739 return name;
1740 }
1741
1742 static void process_typedefs(pident_list_t *pidents)
1743 {
1744 pident_t *pident, *next;
1745
1746 if (!pidents) return;
1747 LIST_FOR_EACH_ENTRY_SAFE( pident, next, pidents, pident_t, entry )
1748 {
1749 var_t *var = pident->var;
1750 type_t *type = find_type(var->name, 0);
1751
1752 if (! parse_only && do_header)
1753 write_typedef(type);
1754 if (in_typelib && type->attrs)
1755 add_typelib_entry(type);
1756
1757 free(pident);
1758 free(var);
1759 }
1760 }
1761
1762 static void check_arg(var_t *arg)
1763 {
1764 type_t *t = arg->type;
1765
1766 if (t->type == 0 && ! is_var_ptr(arg))
1767 yyerror("argument '%s' has void type", arg->name);
1768 }
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