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widl: Get rid of the tname field of var_t, simplify code.
[wine.git] / tools / widl / parser.y
blob8c85565719c03f118c2bb0f3af8f984aa3db64f8
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, 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 func_list_t *append_func(func_list_t *list, func_t *func);
88 static func_t *make_func(var_t *def, var_list_t *args);
89 static type_t *make_class(char *name);
90 static type_t *make_safearray(type_t *type);
91 static type_t *make_builtin(char *name);
92 static type_t *make_int(int sign);
93
94 static type_t *reg_type(type_t *type, const char *name, int t);
95 static type_t *reg_typedefs(type_t *type, var_list_t *names, attr_list_t *attrs);
96 static type_t *find_type(const char *name, int t);
97 static type_t *find_type2(char *name, int t);
98 static type_t *get_type(unsigned char type, char *name, int t);
99 static type_t *get_typev(unsigned char type, var_t *name, int t);
100 static int get_struct_type(var_list_t *fields);
101
102 static var_t *reg_const(var_t *var);
103 static var_t *find_const(char *name, int f);
104
105 static void write_libid(const char *name, const attr_list_t *attr);
106 static void write_clsid(type_t *cls);
107 static void write_diid(type_t *iface);
108 static void write_iid(type_t *iface);
109
110 static int compute_method_indexes(type_t *iface);
111 static char *gen_name(void);
112 static void process_typedefs(var_list_t *names);
113 static void check_arg(var_t *arg);
114
115 #define tsENUM 1
116 #define tsSTRUCT 2
117 #define tsUNION 3
118
119 %}
120 %union {
121 attr_t *attr;
122 attr_list_t *attr_list;
123 str_list_t *str_list;
124 expr_t *expr;
125 expr_list_t *expr_list;
126 array_dims_t *array_dims;
127 type_t *type;
128 var_t *var;
129 var_list_t *var_list;
130 func_t *func;
131 func_list_t *func_list;
132 ifref_t *ifref;
133 ifref_list_t *ifref_list;
134 char *str;
135 UUID *uuid;
136 unsigned int num;
137 }
138
139 %token <str> aIDENTIFIER
140 %token <str> aKNOWNTYPE
141 %token <num> aNUM aHEXNUM
142 %token <str> aSTRING
143 %token <uuid> aUUID
144 %token aEOF
145 %token SHL SHR
146 %token tAGGREGATABLE tALLOCATE tAPPOBJECT tASYNC tASYNCUUID
147 %token tAUTOHANDLE tBINDABLE tBOOLEAN tBROADCAST tBYTE tBYTECOUNT
148 %token tCALLAS tCALLBACK tCASE tCDECL tCHAR tCOCLASS tCODE tCOMMSTATUS
149 %token tCONST tCONTEXTHANDLE tCONTEXTHANDLENOSERIALIZE
150 %token tCONTEXTHANDLESERIALIZE tCONTROL tCPPQUOTE
151 %token tDEFAULT
152 %token tDEFAULTCOLLELEM
153 %token tDEFAULTVALUE
154 %token tDEFAULTVTABLE
155 %token tDISPLAYBIND
156 %token tDISPINTERFACE
157 %token tDLLNAME tDOUBLE tDUAL
158 %token tENDPOINT
159 %token tENTRY tENUM tERRORSTATUST
160 %token tEXPLICITHANDLE tEXTERN
161 %token tFALSE
162 %token tFLOAT
163 %token tHANDLE
164 %token tHANDLET
165 %token tHELPCONTEXT tHELPFILE
166 %token tHELPSTRING tHELPSTRINGCONTEXT tHELPSTRINGDLL
167 %token tHIDDEN
168 %token tHYPER tID tIDEMPOTENT
169 %token tIIDIS
170 %token tIMMEDIATEBIND
171 %token tIMPLICITHANDLE
172 %token tIMPORT tIMPORTLIB
173 %token tIN tINLINE
174 %token tINPUTSYNC
175 %token tINT tINT64
176 %token tINTERFACE
177 %token tLCID
178 %token tLENGTHIS tLIBRARY
179 %token tLOCAL
180 %token tLONG
181 %token tMETHODS
182 %token tMODULE
183 %token tNONBROWSABLE
184 %token tNONCREATABLE
185 %token tNONEXTENSIBLE
186 %token tOBJECT tODL tOLEAUTOMATION
187 %token tOPTIONAL
188 %token tOUT
189 %token tPOINTERDEFAULT
190 %token tPROPERTIES
191 %token tPROPGET tPROPPUT tPROPPUTREF
192 %token tPTR
193 %token tPUBLIC
194 %token tRANGE
195 %token tREADONLY tREF
196 %token tREQUESTEDIT
197 %token tRESTRICTED
198 %token tRETVAL
199 %token tSAFEARRAY
200 %token tSHORT
201 %token tSIGNED
202 %token tSINGLE
203 %token tSIZEIS tSIZEOF
204 %token tSMALL
205 %token tSOURCE
206 %token tSTDCALL
207 %token tSTRING tSTRUCT
208 %token tSWITCH tSWITCHIS tSWITCHTYPE
209 %token tTRANSMITAS
210 %token tTRUE
211 %token tTYPEDEF
212 %token tUNION
213 %token tUNIQUE
214 %token tUNSIGNED
215 %token tUUID
216 %token tV1ENUM
217 %token tVARARG
218 %token tVERSION
219 %token tVOID
220 %token tWCHAR tWIREMARSHAL
221
222 %type <attr> attribute
223 %type <attr_list> m_attributes attributes attrib_list
224 %type <str_list> str_list
225 %type <expr> m_expr expr expr_const
226 %type <expr_list> m_exprs /* exprs expr_list */ expr_list_const
227 %type <array_dims> array array_list
228 %type <type> inherit interface interfacehdr interfacedef interfacedec
229 %type <type> dispinterface dispinterfacehdr dispinterfacedef
230 %type <type> module modulehdr moduledef
231 %type <type> base_type int_std
232 %type <type> enumdef structdef uniondef
233 %type <type> type
234 %type <ifref> coclass_int
235 %type <ifref_list> gbl_statements coclass_ints
236 %type <var> arg field s_field case enum constdef externdef
237 %type <var_list> m_args no_args args fields cases enums enum_list pident_list dispint_props
238 %type <var> m_ident t_ident ident p_ident pident
239 %type <func> funcdef
240 %type <func_list> int_statements dispint_meths
241 %type <type> coclass coclasshdr coclassdef
242 %type <num> pointer_type version
243 %type <str> libraryhdr
244
245 %left ','
246 %right '?' ':'
247 %left '|'
248 %left '&'
249 %left '-' '+'
250 %left '*' '/'
251 %left SHL SHR
252 %right '~'
253 %right CAST
254 %right PPTR
255 %right NEG
256
257 %%
258
259 input: gbl_statements { write_proxies($1); write_client($1); write_server($1); }
260 ;
261
262 gbl_statements: { $$ = NULL; }
263 | gbl_statements interfacedec { $$ = $1; }
264 | gbl_statements interfacedef { $$ = append_ifref( $1, make_ifref($2) ); }
265 | gbl_statements coclass ';' { $$ = $1;
266 reg_type($2, $2->name, 0);
267 if (!parse_only && do_header) write_coclass_forward($2);
268 }
269 | gbl_statements coclassdef { $$ = $1;
270 add_typelib_entry($2);
271 reg_type($2, $2->name, 0);
272 if (!parse_only && do_header) write_coclass_forward($2);
273 }
274 | gbl_statements moduledef { $$ = $1; add_typelib_entry($2); }
275 | gbl_statements librarydef { $$ = $1; }
276 | gbl_statements statement { $$ = $1; }
277 ;
278
279 imp_statements: {}
280 | imp_statements interfacedec { if (!parse_only) add_typelib_entry($2); }
281 | imp_statements interfacedef { if (!parse_only) add_typelib_entry($2); }
282 | imp_statements coclass ';' { reg_type($2, $2->name, 0); if (!parse_only && do_header) write_coclass_forward($2); }
283 | imp_statements coclassdef { if (!parse_only) add_typelib_entry($2);
284 reg_type($2, $2->name, 0);
285 if (!parse_only && do_header) write_coclass_forward($2);
286 }
287 | imp_statements moduledef { if (!parse_only) add_typelib_entry($2); }
288 | imp_statements statement {}
289 | imp_statements importlib {}
290 ;
291
292 int_statements: { $$ = NULL; }
293 | int_statements funcdef ';' { $$ = append_func( $1, $2 ); }
294 | int_statements statement { $$ = $1; }
295 ;
296
297 statement: ';' {}
298 | constdef ';' { if (!parse_only && do_header) { write_constdef($1); } }
299 | cppquote {}
300 | enumdef ';' { if (!parse_only && do_header) { write_type(header, $1, NULL); fprintf(header, ";\n\n"); } }
301 | externdef ';' { if (!parse_only && do_header) { write_externdef($1); } }
302 | import {}
303 | structdef ';' { if (!parse_only && do_header) { write_type(header, $1, NULL); fprintf(header, ";\n\n"); } }
304 | typedef ';' {}
305 | uniondef ';' { if (!parse_only && do_header) { write_type(header, $1, NULL); fprintf(header, ";\n\n"); } }
306 ;
307
308 cppquote: tCPPQUOTE '(' aSTRING ')' { if (!parse_only && do_header) fprintf(header, "%s\n", $3); }
309 ;
310 import_start: tIMPORT aSTRING ';' { assert(yychar == YYEMPTY);
311 if (!do_import($2)) yychar = aEOF; }
312 ;
313 import: import_start imp_statements aEOF {}
314 ;
315
316 importlib: tIMPORTLIB '(' aSTRING ')' { if(!parse_only) add_importlib($3); }
317 ;
318
319 libraryhdr: tLIBRARY aIDENTIFIER { $$ = $2; }
320 ;
321 library_start: attributes libraryhdr '{' { start_typelib($2, $1);
322 if (!parse_only && do_header) write_library($2, $1);
323 if (!parse_only && do_idfile) write_libid($2, $1);
324 }
325 ;
326 librarydef: library_start imp_statements '}' { end_typelib(); }
327 ;
328
329 m_args: { $$ = NULL; }
330 | args
331 ;
332
333 no_args: tVOID { $$ = NULL; }
334 ;
335
336 args: arg { check_arg($1); $$ = append_var( NULL, $1 ); }
337 | args ',' arg { check_arg($3); $$ = append_var( $1, $3); }
338 | no_args
339 ;
340
341 /* split into two rules to get bison to resolve a tVOID conflict */
342 arg: attributes type pident array { $$ = $3;
343 set_type($$, $2, $4);
344 $$->attrs = $1;
345 }
346 | type pident array { $$ = $2;
347 set_type($$, $1, $3);
348 }
349 | attributes type pident '(' m_args ')' { $$ = $3;
350 $$->ptr_level--;
351 set_type($$, $2, NULL);
352 $$->attrs = $1;
353 $$->args = $5;
354 }
355 | type pident '(' m_args ')' { $$ = $2;
356 $$->ptr_level--;
357 set_type($$, $1, NULL);
358 $$->args = $4;
359 }
360 ;
361
362 array: { $$ = NULL; }
363 | '[' array_list ']' { $$ = $2; }
364 | '[' '*' ']' { $$ = append_array( NULL, make_expr(EXPR_VOID) ); }
365 ;
366
367 array_list: m_expr /* size of first dimension is optional */ { $$ = append_array( NULL, $1 ); }
368 | array_list ',' expr { $$ = append_array( $1, $3 ); }
369 | array_list ']' '[' expr { $$ = append_array( $1, $4 ); }
370 ;
371
372 m_attributes: { $$ = NULL; }
373 | attributes
374 ;
375
376 attributes:
377 '[' attrib_list ']' { $$ = $2;
378 if (!$$)
379 yyerror("empty attribute lists unsupported");
380 }
381 ;
382
383 attrib_list: attribute { $$ = append_attr( NULL, $1 ); }
384 | attrib_list ',' attribute { $$ = append_attr( $1, $3 ); }
385 | attrib_list ']' '[' attribute { $$ = append_attr( $1, $4 ); }
386 ;
387
388 str_list: aSTRING { $$ = append_str( NULL, $1 ); }
389 | str_list ',' aSTRING { $$ = append_str( $1, $3 ); }
390 ;
391
392 attribute: { $$ = NULL; }
393 | tAGGREGATABLE { $$ = make_attr(ATTR_AGGREGATABLE); }
394 | tAPPOBJECT { $$ = make_attr(ATTR_APPOBJECT); }
395 | tASYNC { $$ = make_attr(ATTR_ASYNC); }
396 | tAUTOHANDLE { $$ = make_attr(ATTR_AUTO_HANDLE); }
397 | tBINDABLE { $$ = make_attr(ATTR_BINDABLE); }
398 | tCALLAS '(' ident ')' { $$ = make_attrp(ATTR_CALLAS, $3); }
399 | tCASE '(' expr_list_const ')' { $$ = make_attrp(ATTR_CASE, $3); }
400 | tCONTEXTHANDLE { $$ = make_attrv(ATTR_CONTEXTHANDLE, 0); }
401 | tCONTEXTHANDLENOSERIALIZE { $$ = make_attrv(ATTR_CONTEXTHANDLE, 0); /* RPC_CONTEXT_HANDLE_DONT_SERIALIZE */ }
402 | tCONTEXTHANDLESERIALIZE { $$ = make_attrv(ATTR_CONTEXTHANDLE, 0); /* RPC_CONTEXT_HANDLE_SERIALIZE */ }
403 | tCONTROL { $$ = make_attr(ATTR_CONTROL); }
404 | tDEFAULT { $$ = make_attr(ATTR_DEFAULT); }
405 | tDEFAULTCOLLELEM { $$ = make_attr(ATTR_DEFAULTCOLLELEM); }
406 | tDEFAULTVALUE '(' expr_const ')' { $$ = make_attrp(ATTR_DEFAULTVALUE_EXPR, $3); }
407 | tDEFAULTVALUE '(' aSTRING ')' { $$ = make_attrp(ATTR_DEFAULTVALUE_STRING, $3); }
408 | tDEFAULTVTABLE { $$ = make_attr(ATTR_DEFAULTVTABLE); }
409 | tDISPLAYBIND { $$ = make_attr(ATTR_DISPLAYBIND); }
410 | tDLLNAME '(' aSTRING ')' { $$ = make_attrp(ATTR_DLLNAME, $3); }
411 | tDUAL { $$ = make_attr(ATTR_DUAL); }
412 | tENDPOINT '(' str_list ')' { $$ = make_attrp(ATTR_ENDPOINT, $3); }
413 | tENTRY '(' aSTRING ')' { $$ = make_attrp(ATTR_ENTRY_STRING, $3); }
414 | tENTRY '(' expr_const ')' { $$ = make_attrp(ATTR_ENTRY_ORDINAL, $3); }
415 | tEXPLICITHANDLE { $$ = make_attr(ATTR_EXPLICIT_HANDLE); }
416 | tHANDLE { $$ = make_attr(ATTR_HANDLE); }
417 | tHELPCONTEXT '(' expr_const ')' { $$ = make_attrp(ATTR_HELPCONTEXT, $3); }
418 | tHELPFILE '(' aSTRING ')' { $$ = make_attrp(ATTR_HELPFILE, $3); }
419 | tHELPSTRING '(' aSTRING ')' { $$ = make_attrp(ATTR_HELPSTRING, $3); }
420 | tHELPSTRINGCONTEXT '(' expr_const ')' { $$ = make_attrp(ATTR_HELPSTRINGCONTEXT, $3); }
421 | tHELPSTRINGDLL '(' aSTRING ')' { $$ = make_attrp(ATTR_HELPSTRINGDLL, $3); }
422 | tHIDDEN { $$ = make_attr(ATTR_HIDDEN); }
423 | tID '(' expr_const ')' { $$ = make_attrp(ATTR_ID, $3); }
424 | tIDEMPOTENT { $$ = make_attr(ATTR_IDEMPOTENT); }
425 | tIIDIS '(' ident ')' { $$ = make_attrp(ATTR_IIDIS, $3); }
426 | tIMMEDIATEBIND { $$ = make_attr(ATTR_IMMEDIATEBIND); }
427 | tIMPLICITHANDLE '(' tHANDLET aIDENTIFIER ')' { $$ = make_attrp(ATTR_IMPLICIT_HANDLE, $4); }
428 | tIN { $$ = make_attr(ATTR_IN); }
429 | tINPUTSYNC { $$ = make_attr(ATTR_INPUTSYNC); }
430 | tLENGTHIS '(' m_exprs ')' { $$ = make_attrp(ATTR_LENGTHIS, $3); }
431 | tLOCAL { $$ = make_attr(ATTR_LOCAL); }
432 | tNONBROWSABLE { $$ = make_attr(ATTR_NONBROWSABLE); }
433 | tNONCREATABLE { $$ = make_attr(ATTR_NONCREATABLE); }
434 | tNONEXTENSIBLE { $$ = make_attr(ATTR_NONEXTENSIBLE); }
435 | tOBJECT { $$ = make_attr(ATTR_OBJECT); }
436 | tODL { $$ = make_attr(ATTR_ODL); }
437 | tOLEAUTOMATION { $$ = make_attr(ATTR_OLEAUTOMATION); }
438 | tOPTIONAL { $$ = make_attr(ATTR_OPTIONAL); }
439 | tOUT { $$ = make_attr(ATTR_OUT); }
440 | tPOINTERDEFAULT '(' pointer_type ')' { $$ = make_attrv(ATTR_POINTERDEFAULT, $3); }
441 | tPROPGET { $$ = make_attr(ATTR_PROPGET); }
442 | tPROPPUT { $$ = make_attr(ATTR_PROPPUT); }
443 | tPROPPUTREF { $$ = make_attr(ATTR_PROPPUTREF); }
444 | tPUBLIC { $$ = make_attr(ATTR_PUBLIC); }
445 | tRANGE '(' expr_const ',' expr_const ')' { expr_list_t *list = append_expr( NULL, $3 );
446 list = append_expr( list, $5 );
447 $$ = make_attrp(ATTR_RANGE, list); }
448 | tREADONLY { $$ = make_attr(ATTR_READONLY); }
449 | tREQUESTEDIT { $$ = make_attr(ATTR_REQUESTEDIT); }
450 | tRESTRICTED { $$ = make_attr(ATTR_RESTRICTED); }
451 | tRETVAL { $$ = make_attr(ATTR_RETVAL); }
452 | tSIZEIS '(' m_exprs ')' { $$ = make_attrp(ATTR_SIZEIS, $3); }
453 | tSOURCE { $$ = make_attr(ATTR_SOURCE); }
454 | tSTRING { $$ = make_attr(ATTR_STRING); }
455 | tSWITCHIS '(' expr ')' { $$ = make_attrp(ATTR_SWITCHIS, $3); }
456 | tSWITCHTYPE '(' type ')' { $$ = make_attrp(ATTR_SWITCHTYPE, $3); }
457 | tTRANSMITAS '(' type ')' { $$ = make_attrp(ATTR_TRANSMITAS, $3); }
458 | tUUID '(' aUUID ')' { $$ = make_attrp(ATTR_UUID, $3); }
459 | tV1ENUM { $$ = make_attr(ATTR_V1ENUM); }
460 | tVARARG { $$ = make_attr(ATTR_VARARG); }
461 | tVERSION '(' version ')' { $$ = make_attrv(ATTR_VERSION, $3); }
462 | tWIREMARSHAL '(' type ')' { $$ = make_attrp(ATTR_WIREMARSHAL, $3); }
463 | pointer_type { $$ = make_attrv(ATTR_POINTERTYPE, $1); }
464 ;
465
466 callconv:
467 | tSTDCALL
468 ;
469
470 cases: { $$ = NULL; }
471 | cases case { $$ = append_var( $1, $2 ); }
472 ;
473
474 case: tCASE expr ':' field { attr_t *a = make_attrp(ATTR_CASE, $2);
475 $$ = $4; if (!$$) $$ = make_var(NULL);
476 $$->attrs = append_attr( $$->attrs, a );
477 }
478 | tDEFAULT ':' field { attr_t *a = make_attr(ATTR_DEFAULT);
479 $$ = $3; if (!$$) $$ = make_var(NULL);
480 $$->attrs = append_attr( $$->attrs, a );
481 }
482 ;
483
484 constdef: tCONST type ident '=' expr_const { $$ = reg_const($3);
485 set_type($$, $2, NULL);
486 $$->eval = $5;
487 }
488 ;
489
490 enums: { $$ = NULL; }
491 | enum_list ',' { $$ = $1; }
492 | enum_list
493 ;
494
495 enum_list: enum { if (!$1->eval)
496 $1->eval = make_exprl(EXPR_NUM, 0 /* default for first enum entry */);
497 $$ = append_var( NULL, $1 );
498 }
499 | enum_list ',' enum { if (!$3->eval)
500 {
501 var_t *last = LIST_ENTRY( list_tail($$), var_t, entry );
502 $3->eval = make_exprl(EXPR_NUM, last->eval->cval + 1);
503 }
504 $$ = append_var( $1, $3 );
505 }
506 ;
507
508 enum: ident '=' expr_const { $$ = reg_const($1);
509 $$->eval = $3;
510 $$->type = make_int(0);
511 }
512 | ident { $$ = reg_const($1);
513 $$->type = make_int(0);
514 }
515 ;
516
517 enumdef: tENUM t_ident '{' enums '}' { $$ = get_typev(RPC_FC_ENUM16, $2, tsENUM);
518 $$->kind = TKIND_ENUM;
519 $$->fields = $4;
520 $$->defined = TRUE;
521 if(in_typelib)
522 add_typelib_entry($$);
523 }
524 ;
525
526 m_exprs: m_expr { $$ = append_expr( NULL, $1 ); }
527 | m_exprs ',' m_expr { $$ = append_expr( $1, $3 ); }
528 ;
529
530 /*
531 exprs: { $$ = make_expr(EXPR_VOID); }
532 | expr_list
533 ;
534
535 expr_list: expr
536 | expr_list ',' expr { LINK($3, $1); $$ = $3; }
537 ;
538 */
539
540 m_expr: { $$ = make_expr(EXPR_VOID); }
541 | expr
542 ;
543
544 expr: aNUM { $$ = make_exprl(EXPR_NUM, $1); }
545 | aHEXNUM { $$ = make_exprl(EXPR_HEXNUM, $1); }
546 | tFALSE { $$ = make_exprl(EXPR_TRUEFALSE, 0); }
547 | tTRUE { $$ = make_exprl(EXPR_TRUEFALSE, 1); }
548 | aIDENTIFIER { $$ = make_exprs(EXPR_IDENTIFIER, $1); }
549 | expr '?' expr ':' expr { $$ = make_expr3(EXPR_COND, $1, $3, $5); }
550 | expr '|' expr { $$ = make_expr2(EXPR_OR , $1, $3); }
551 | expr '&' expr { $$ = make_expr2(EXPR_AND, $1, $3); }
552 | expr '+' expr { $$ = make_expr2(EXPR_ADD, $1, $3); }
553 | expr '-' expr { $$ = make_expr2(EXPR_SUB, $1, $3); }
554 | expr '*' expr { $$ = make_expr2(EXPR_MUL, $1, $3); }
555 | expr '/' expr { $$ = make_expr2(EXPR_DIV, $1, $3); }
556 | expr SHL expr { $$ = make_expr2(EXPR_SHL, $1, $3); }
557 | expr SHR expr { $$ = make_expr2(EXPR_SHR, $1, $3); }
558 | '~' expr { $$ = make_expr1(EXPR_NOT, $2); }
559 | '-' expr %prec NEG { $$ = make_expr1(EXPR_NEG, $2); }
560 | '*' expr %prec PPTR { $$ = make_expr1(EXPR_PPTR, $2); }
561 | '(' type ')' expr %prec CAST { $$ = make_exprt(EXPR_CAST, $2, $4); }
562 | tSIZEOF '(' type ')' { $$ = make_exprt(EXPR_SIZEOF, $3, NULL); }
563 | '(' expr ')' { $$ = $2; }
564 ;
565
566 expr_list_const: expr_const { $$ = append_expr( NULL, $1 ); }
567 | expr_list_const ',' expr_const { $$ = append_expr( $1, $3 ); }
568 ;
569
570 expr_const: expr { $$ = $1;
571 if (!$$->is_const)
572 yyerror("expression is not constant");
573 }
574 ;
575
576 externdef: tEXTERN tCONST type ident { $$ = $4;
577 set_type($$, $3, NULL);
578 }
579 ;
580
581 fields: { $$ = NULL; }
582 | fields field { $$ = append_var( $1, $2 ); }
583 ;
584
585 field: s_field ';' { $$ = $1; }
586 | m_attributes uniondef ';' { $$ = make_var(NULL); $$->type = $2; $$->attrs = $1; }
587 | attributes ';' { $$ = make_var(NULL); $$->attrs = $1; }
588 | ';' { $$ = NULL; }
589 ;
590
591 s_field: m_attributes type pident array { $$ = $3; set_type($$, $2, $4); $$->attrs = $1; }
592 ;
593
594 funcdef:
595 m_attributes type callconv pident
596 '(' m_args ')' { set_type($4, $2, NULL);
597 $4->attrs = $1;
598 $$ = make_func($4, $6);
599 if (is_attr($4->attrs, ATTR_IN)) {
600 yyerror("inapplicable attribute [in] for function '%s'",$$->def->name);
601 }
602 }
603 ;
604
605 m_ident: { $$ = NULL; }
606 | ident
607 ;
608
609 t_ident: { $$ = NULL; }
610 | aIDENTIFIER { $$ = make_var($1); }
611 | aKNOWNTYPE { $$ = make_var($1); }
612 ;
613
614 ident: aIDENTIFIER { $$ = make_var($1); }
615 /* some "reserved words" used in attributes are also used as field names in some MS IDL files */
616 | aKNOWNTYPE { $$ = make_var($<str>1); }
617 ;
618
619 base_type: tBYTE { $$ = make_builtin($<str>1); }
620 | tWCHAR { $$ = make_builtin($<str>1); }
621 | int_std
622 | tSIGNED int_std { $$ = $2; $$->sign = 1; }
623 | tUNSIGNED int_std { $$ = $2; $$->sign = -1;
624 switch ($$->type) {
625 case RPC_FC_CHAR: break;
626 case RPC_FC_SMALL: $$->type = RPC_FC_USMALL; break;
627 case RPC_FC_SHORT: $$->type = RPC_FC_USHORT; break;
628 case RPC_FC_LONG: $$->type = RPC_FC_ULONG; break;
629 case RPC_FC_HYPER:
630 if ($$->name[0] == 'h') /* hyper, as opposed to __int64 */
631 {
632 $$ = alias($$, "MIDL_uhyper");
633 $$->sign = 0;
634 }
635 break;
636 default: break;
637 }
638 }
639 | tUNSIGNED { $$ = make_int(-1); }
640 | tFLOAT { $$ = make_builtin($<str>1); }
641 | tSINGLE { $$ = duptype(find_type("float", 0), 1); }
642 | tDOUBLE { $$ = make_builtin($<str>1); }
643 | tBOOLEAN { $$ = make_builtin($<str>1); }
644 | tERRORSTATUST { $$ = make_builtin($<str>1); }
645 | tHANDLET { $$ = make_builtin($<str>1); }
646 ;
647
648 m_int:
649 | tINT
650 ;
651
652 int_std: tINT { $$ = make_builtin($<str>1); }
653 | tSHORT m_int { $$ = make_builtin($<str>1); }
654 | tSMALL { $$ = make_builtin($<str>1); }
655 | tLONG m_int { $$ = make_builtin($<str>1); }
656 | tHYPER m_int { $$ = make_builtin($<str>1); }
657 | tINT64 { $$ = make_builtin($<str>1); }
658 | tCHAR { $$ = make_builtin($<str>1); }
659 ;
660
661 coclass: tCOCLASS aIDENTIFIER { $$ = make_class($2); }
662 | tCOCLASS aKNOWNTYPE { $$ = find_type($2, 0);
663 if ($$->defined) yyerror("multiple definition error");
664 if ($$->kind != TKIND_COCLASS) yyerror("%s was not declared a coclass", $2);
665 }
666 ;
667
668 coclasshdr: attributes coclass { $$ = $2;
669 $$->attrs = $1;
670 if (!parse_only && do_header)
671 write_coclass($$);
672 if (!parse_only && do_idfile)
673 write_clsid($$);
674 }
675 ;
676
677 coclassdef: coclasshdr '{' coclass_ints '}' { $$ = $1;
678 $$->ifaces = $3;
679 $$->defined = TRUE;
680 }
681 ;
682
683 coclass_ints: { $$ = NULL; }
684 | coclass_ints coclass_int { $$ = append_ifref( $1, $2 ); }
685 ;
686
687 coclass_int:
688 m_attributes interfacedec { $$ = make_ifref($2); $$->attrs = $1; }
689 ;
690
691 dispinterface: tDISPINTERFACE aIDENTIFIER { $$ = get_type(0, $2, 0); $$->kind = TKIND_DISPATCH; }
692 | tDISPINTERFACE aKNOWNTYPE { $$ = get_type(0, $2, 0); $$->kind = TKIND_DISPATCH; }
693 ;
694
695 dispinterfacehdr: attributes dispinterface { attr_t *attrs;
696 $$ = $2;
697 if ($$->defined) yyerror("multiple definition error");
698 attrs = make_attr(ATTR_DISPINTERFACE);
699 $$->attrs = append_attr( $1, attrs );
700 $$->ref = find_type("IDispatch", 0);
701 if (!$$->ref) yyerror("IDispatch is undefined");
702 $$->defined = TRUE;
703 if (!parse_only && do_header) write_forward($$);
704 }
705 ;
706
707 dispint_props: tPROPERTIES ':' { $$ = NULL; }
708 | dispint_props s_field ';' { $$ = append_var( $1, $2 ); }
709 ;
710
711 dispint_meths: tMETHODS ':' { $$ = NULL; }
712 | dispint_meths funcdef ';' { $$ = append_func( $1, $2 ); }
713 ;
714
715 dispinterfacedef: dispinterfacehdr '{'
716 dispint_props
717 dispint_meths
718 '}' { $$ = $1;
719 $$->fields = $3;
720 $$->funcs = $4;
721 if (!parse_only && do_header) write_dispinterface($$);
722 if (!parse_only && do_idfile) write_diid($$);
723 }
724 | dispinterfacehdr
725 '{' interface ';' '}' { $$ = $1;
726 $$->fields = $3->fields;
727 $$->funcs = $3->funcs;
728 if (!parse_only && do_header) write_dispinterface($$);
729 if (!parse_only && do_idfile) write_diid($$);
730 }
731 ;
732
733 inherit: { $$ = NULL; }
734 | ':' aKNOWNTYPE { $$ = find_type2($2, 0); }
735 ;
736
737 interface: tINTERFACE aIDENTIFIER { $$ = get_type(RPC_FC_IP, $2, 0); $$->kind = TKIND_INTERFACE; }
738 | tINTERFACE aKNOWNTYPE { $$ = get_type(RPC_FC_IP, $2, 0); $$->kind = TKIND_INTERFACE; }
739 ;
740
741 interfacehdr: attributes interface { $$ = $2;
742 if ($$->defined) yyerror("multiple definition error");
743 $$->attrs = $1;
744 $$->defined = TRUE;
745 if (!parse_only && do_header) write_forward($$);
746 }
747 ;
748
749 interfacedef: interfacehdr inherit
750 '{' int_statements '}' { $$ = $1;
751 $$->ref = $2;
752 $$->funcs = $4;
753 compute_method_indexes($$);
754 if (!parse_only && do_header) write_interface($$);
755 if (!parse_only && do_idfile) write_iid($$);
756 }
757 /* MIDL is able to import the definition of a base class from inside the
758 * definition of a derived class, I'll try to support it with this rule */
759 | interfacehdr ':' aIDENTIFIER
760 '{' import int_statements '}' { $$ = $1;
761 $$->ref = find_type2($3, 0);
762 if (!$$->ref) yyerror("base class '%s' not found in import", $3);
763 $$->funcs = $6;
764 compute_method_indexes($$);
765 if (!parse_only && do_header) write_interface($$);
766 if (!parse_only && do_idfile) write_iid($$);
767 }
768 | dispinterfacedef { $$ = $1; }
769 ;
770
771 interfacedec:
772 interface ';' { $$ = $1; if (!parse_only && do_header) write_forward($$); }
773 | dispinterface ';' { $$ = $1; if (!parse_only && do_header) write_forward($$); }
774 ;
775
776 module: tMODULE aIDENTIFIER { $$ = make_type(0, NULL); $$->name = $2; $$->kind = TKIND_MODULE; }
777 | tMODULE aKNOWNTYPE { $$ = make_type(0, NULL); $$->name = $2; $$->kind = TKIND_MODULE; }
778 ;
779
780 modulehdr: attributes module { $$ = $2;
781 $$->attrs = $1;
782 }
783 ;
784
785 moduledef: modulehdr '{' int_statements '}' { $$ = $1;
786 $$->funcs = $3;
787 /* FIXME: if (!parse_only && do_header) write_module($$); */
788 }
789 ;
790
791 p_ident: '*' pident %prec PPTR { $$ = $2; $$->ptr_level++; }
792 | tCONST p_ident { $$ = $2; /* FIXME */ }
793 ;
794
795 pident: ident
796 | p_ident
797 | '(' pident ')' { $$ = $2; }
798 ;
799
800 pident_list:
801 pident { $$ = append_var( NULL, $1 ); }
802 | pident_list ',' pident { $$ = append_var( $1, $3 ); }
803 ;
804
805 pointer_type:
806 tREF { $$ = RPC_FC_RP; }
807 | tUNIQUE { $$ = RPC_FC_UP; }
808 | tPTR { $$ = RPC_FC_FP; }
809 ;
810
811 structdef: tSTRUCT t_ident '{' fields '}' { $$ = get_typev(RPC_FC_STRUCT, $2, tsSTRUCT);
812 /* overwrite RPC_FC_STRUCT with a more exact type */
813 $$->type = get_struct_type( $4 );
814 $$->kind = TKIND_RECORD;
815 $$->fields = $4;
816 $$->defined = TRUE;
817 if(in_typelib)
818 add_typelib_entry($$);
819 }
820 ;
821
822 type: tVOID { $$ = duptype(find_type("void", 0), 1); }
823 | aKNOWNTYPE { $$ = find_type($1, 0); }
824 | base_type { $$ = $1; }
825 | tCONST type { $$ = duptype($2, 1); $$->is_const = TRUE; }
826 | enumdef { $$ = $1; }
827 | tENUM aIDENTIFIER { $$ = find_type2($2, tsENUM); }
828 | structdef { $$ = $1; }
829 | tSTRUCT aIDENTIFIER { $$ = get_type(RPC_FC_STRUCT, $2, tsSTRUCT); }
830 | uniondef { $$ = $1; }
831 | tUNION aIDENTIFIER { $$ = find_type2($2, tsUNION); }
832 | tSAFEARRAY '(' type ')' { $$ = make_safearray($3); }
833 ;
834
835 typedef: tTYPEDEF m_attributes type pident_list { reg_typedefs($3, $4, $2);
836 process_typedefs($4);
837 }
838 ;
839
840 uniondef: tUNION t_ident '{' fields '}' { $$ = get_typev(RPC_FC_NON_ENCAPSULATED_UNION, $2, tsUNION);
841 $$->kind = TKIND_UNION;
842 $$->fields = $4;
843 $$->defined = TRUE;
844 }
845 | tUNION t_ident
846 tSWITCH '(' s_field ')'
847 m_ident '{' cases '}' { var_t *u = $7;
848 $$ = get_typev(RPC_FC_ENCAPSULATED_UNION, $2, tsUNION);
849 $$->kind = TKIND_UNION;
850 if (!u) u = make_var( xstrdup("tagged_union") );
851 u->type = make_type(RPC_FC_NON_ENCAPSULATED_UNION, NULL);
852 u->type->kind = TKIND_UNION;
853 u->type->fields = $9;
854 u->type->defined = TRUE;
855 $$->fields = append_var( $$->fields, $5 );
856 $$->fields = append_var( $$->fields, u );
857 $$->defined = TRUE;
858 }
859 ;
860
861 version:
862 aNUM { $$ = MAKELONG($1, 0); }
863 | aNUM '.' aNUM { $$ = MAKELONG($1, $3); }
864 ;
865
866 %%
867
868 static void decl_builtin(const char *name, unsigned char type)
869 {
870 type_t *t = make_type(type, NULL);
871 t->name = xstrdup(name);
872 reg_type(t, name, 0);
873 }
874
875 static type_t *make_builtin(char *name)
876 {
877 /* NAME is strdup'd in the lexer */
878 type_t *t = duptype(find_type(name, 0), 0);
879 t->name = name;
880 return t;
881 }
882
883 static type_t *make_int(int sign)
884 {
885 type_t *t = duptype(find_type("int", 0), 1);
886
887 t->sign = sign;
888 if (sign < 0)
889 t->type = t->type == RPC_FC_LONG ? RPC_FC_ULONG : RPC_FC_USHORT;
890
891 return t;
892 }
893
894 void init_types(void)
895 {
896 decl_builtin("void", 0);
897 decl_builtin("byte", RPC_FC_BYTE);
898 decl_builtin("wchar_t", RPC_FC_WCHAR);
899 decl_builtin("int", RPC_FC_LONG); /* win32 */
900 decl_builtin("short", RPC_FC_SHORT);
901 decl_builtin("small", RPC_FC_SMALL);
902 decl_builtin("long", RPC_FC_LONG);
903 decl_builtin("hyper", RPC_FC_HYPER);
904 decl_builtin("__int64", RPC_FC_HYPER);
905 decl_builtin("char", RPC_FC_CHAR);
906 decl_builtin("float", RPC_FC_FLOAT);
907 decl_builtin("double", RPC_FC_DOUBLE);
908 decl_builtin("boolean", RPC_FC_BYTE);
909 decl_builtin("error_status_t", RPC_FC_ERROR_STATUS_T);
910 decl_builtin("handle_t", RPC_FC_BIND_PRIMITIVE);
911 }
912
913 static str_list_t *append_str(str_list_t *list, char *str)
914 {
915 struct str_list_entry_t *entry;
916
917 if (!str) return list;
918 if (!list)
919 {
920 list = xmalloc( sizeof(*list) );
921 list_init( list );
922 }
923 entry = xmalloc( sizeof(*entry) );
924 entry->str = str;
925 list_add_tail( list, &entry->entry );
926 return list;
927 }
928
929 static attr_list_t *append_attr(attr_list_t *list, attr_t *attr)
930 {
931 if (!attr) return list;
932 if (!list)
933 {
934 list = xmalloc( sizeof(*list) );
935 list_init( list );
936 }
937 list_add_tail( list, &attr->entry );
938 return list;
939 }
940
941 static attr_t *make_attr(enum attr_type type)
942 {
943 attr_t *a = xmalloc(sizeof(attr_t));
944 a->type = type;
945 a->u.ival = 0;
946 return a;
947 }
948
949 static attr_t *make_attrv(enum attr_type type, unsigned long val)
950 {
951 attr_t *a = xmalloc(sizeof(attr_t));
952 a->type = type;
953 a->u.ival = val;
954 return a;
955 }
956
957 static attr_t *make_attrp(enum attr_type type, void *val)
958 {
959 attr_t *a = xmalloc(sizeof(attr_t));
960 a->type = type;
961 a->u.pval = val;
962 return a;
963 }
964
965 static expr_t *make_expr(enum expr_type type)
966 {
967 expr_t *e = xmalloc(sizeof(expr_t));
968 e->type = type;
969 e->ref = NULL;
970 e->u.lval = 0;
971 e->is_const = FALSE;
972 return e;
973 }
974
975 static expr_t *make_exprl(enum expr_type type, long val)
976 {
977 expr_t *e = xmalloc(sizeof(expr_t));
978 e->type = type;
979 e->ref = NULL;
980 e->u.lval = val;
981 e->is_const = FALSE;
982 /* check for numeric constant */
983 if (type == EXPR_NUM || type == EXPR_HEXNUM || type == EXPR_TRUEFALSE) {
984 /* make sure true/false value is valid */
985 assert(type != EXPR_TRUEFALSE || val == 0 || val == 1);
986 e->is_const = TRUE;
987 e->cval = val;
988 }
989 return e;
990 }
991
992 static expr_t *make_exprs(enum expr_type type, char *val)
993 {
994 expr_t *e;
995 e = xmalloc(sizeof(expr_t));
996 e->type = type;
997 e->ref = NULL;
998 e->u.sval = val;
999 e->is_const = FALSE;
1000 /* check for predefined constants */
1001 if (type == EXPR_IDENTIFIER) {
1002 var_t *c = find_const(val, 0);
1003 if (c) {
1004 e->u.sval = c->name;
1005 free(val);
1006 e->is_const = TRUE;
1007 e->cval = c->eval->cval;
1008 }
1009 }
1010 return e;
1011 }
1012
1013 static expr_t *make_exprt(enum expr_type type, type_t *tref, expr_t *expr)
1014 {
1015 expr_t *e;
1016 e = xmalloc(sizeof(expr_t));
1017 e->type = type;
1018 e->ref = expr;
1019 e->u.tref = tref;
1020 e->is_const = FALSE;
1021 /* check for cast of constant expression */
1022 if (type == EXPR_SIZEOF) {
1023 switch (tref->type) {
1024 case RPC_FC_BYTE:
1025 case RPC_FC_CHAR:
1026 case RPC_FC_SMALL:
1027 case RPC_FC_USMALL:
1028 e->is_const = TRUE;
1029 e->cval = 1;
1030 break;
1031 case RPC_FC_WCHAR:
1032 case RPC_FC_USHORT:
1033 case RPC_FC_SHORT:
1034 e->is_const = TRUE;
1035 e->cval = 2;
1036 break;
1037 case RPC_FC_LONG:
1038 case RPC_FC_ULONG:
1039 case RPC_FC_FLOAT:
1040 case RPC_FC_ERROR_STATUS_T:
1041 e->is_const = TRUE;
1042 e->cval = 4;
1043 break;
1044 case RPC_FC_HYPER:
1045 case RPC_FC_DOUBLE:
1046 e->is_const = TRUE;
1047 e->cval = 8;
1048 break;
1049 }
1050 }
1051 if (type == EXPR_CAST && expr->is_const) {
1052 e->is_const = TRUE;
1053 e->cval = expr->cval;
1054 }
1055 return e;
1056 }
1057
1058 static expr_t *make_expr1(enum expr_type type, expr_t *expr)
1059 {
1060 expr_t *e;
1061 e = xmalloc(sizeof(expr_t));
1062 e->type = type;
1063 e->ref = expr;
1064 e->u.lval = 0;
1065 e->is_const = FALSE;
1066 /* check for compile-time optimization */
1067 if (expr->is_const) {
1068 e->is_const = TRUE;
1069 switch (type) {
1070 case EXPR_NEG:
1071 e->cval = -expr->cval;
1072 break;
1073 case EXPR_NOT:
1074 e->cval = ~expr->cval;
1075 break;
1076 default:
1077 e->is_const = FALSE;
1078 break;
1079 }
1080 }
1081 return e;
1082 }
1083
1084 static expr_t *make_expr2(enum expr_type type, expr_t *expr1, expr_t *expr2)
1085 {
1086 expr_t *e;
1087 e = xmalloc(sizeof(expr_t));
1088 e->type = type;
1089 e->ref = expr1;
1090 e->u.ext = expr2;
1091 e->is_const = FALSE;
1092 /* check for compile-time optimization */
1093 if (expr1->is_const && expr2->is_const) {
1094 e->is_const = TRUE;
1095 switch (type) {
1096 case EXPR_ADD:
1097 e->cval = expr1->cval + expr2->cval;
1098 break;
1099 case EXPR_SUB:
1100 e->cval = expr1->cval - expr2->cval;
1101 break;
1102 case EXPR_MUL:
1103 e->cval = expr1->cval * expr2->cval;
1104 break;
1105 case EXPR_DIV:
1106 e->cval = expr1->cval / expr2->cval;
1107 break;
1108 case EXPR_OR:
1109 e->cval = expr1->cval | expr2->cval;
1110 break;
1111 case EXPR_AND:
1112 e->cval = expr1->cval & expr2->cval;
1113 break;
1114 case EXPR_SHL:
1115 e->cval = expr1->cval << expr2->cval;
1116 break;
1117 case EXPR_SHR:
1118 e->cval = expr1->cval >> expr2->cval;
1119 break;
1120 default:
1121 e->is_const = FALSE;
1122 break;
1123 }
1124 }
1125 return e;
1126 }
1127
1128 static expr_t *make_expr3(enum expr_type type, expr_t *expr1, expr_t *expr2, expr_t *expr3)
1129 {
1130 expr_t *e;
1131 e = xmalloc(sizeof(expr_t));
1132 e->type = type;
1133 e->ref = expr1;
1134 e->u.ext = expr2;
1135 e->ext2 = expr3;
1136 e->is_const = FALSE;
1137 /* check for compile-time optimization */
1138 if (expr1->is_const && expr2->is_const && expr3->is_const) {
1139 e->is_const = TRUE;
1140 switch (type) {
1141 case EXPR_COND:
1142 e->cval = expr1->cval ? expr2->cval : expr3->cval;
1143 break;
1144 default:
1145 e->is_const = FALSE;
1146 break;
1147 }
1148 }
1149 return e;
1150 }
1151
1152 static expr_list_t *append_expr(expr_list_t *list, expr_t *expr)
1153 {
1154 if (!expr) return list;
1155 if (!list)
1156 {
1157 list = xmalloc( sizeof(*list) );
1158 list_init( list );
1159 }
1160 list_add_tail( list, &expr->entry );
1161 return list;
1162 }
1163
1164 static array_dims_t *append_array(array_dims_t *list, expr_t *expr)
1165 {
1166 if (!expr) return list;
1167 if (!list)
1168 {
1169 list = xmalloc( sizeof(*list) );
1170 list_init( list );
1171 }
1172 list_add_tail( list, &expr->entry );
1173 return list;
1174 }
1175
1176 static type_t *make_type(unsigned char type, type_t *ref)
1177 {
1178 type_t *t = xmalloc(sizeof(type_t));
1179 t->name = NULL;
1180 t->kind = TKIND_PRIMITIVE;
1181 t->type = type;
1182 t->ref = ref;
1183 t->attrs = NULL;
1184 t->orig = NULL;
1185 t->funcs = NULL;
1186 t->fields = NULL;
1187 t->ifaces = NULL;
1188 t->ignore = parse_only;
1189 t->is_const = FALSE;
1190 t->sign = 0;
1191 t->defined = FALSE;
1192 t->written = FALSE;
1193 t->user_types_registered = FALSE;
1194 t->typelib_idx = -1;
1195 return t;
1196 }
1197
1198 static void set_type(var_t *v, type_t *type, array_dims_t *arr)
1199 {
1200 v->type = type;
1201 v->array = arr;
1202 }
1203
1204 static ifref_list_t *append_ifref(ifref_list_t *list, ifref_t *iface)
1205 {
1206 if (!iface) return list;
1207 if (!list)
1208 {
1209 list = xmalloc( sizeof(*list) );
1210 list_init( list );
1211 }
1212 list_add_tail( list, &iface->entry );
1213 return list;
1214 }
1215
1216 static ifref_t *make_ifref(type_t *iface)
1217 {
1218 ifref_t *l = xmalloc(sizeof(ifref_t));
1219 l->iface = iface;
1220 l->attrs = NULL;
1221 return l;
1222 }
1223
1224 static var_list_t *append_var(var_list_t *list, var_t *var)
1225 {
1226 if (!var) return list;
1227 if (!list)
1228 {
1229 list = xmalloc( sizeof(*list) );
1230 list_init( list );
1231 }
1232 list_add_tail( list, &var->entry );
1233 return list;
1234 }
1235
1236 static var_t *make_var(char *name)
1237 {
1238 var_t *v = xmalloc(sizeof(var_t));
1239 v->name = name;
1240 v->ptr_level = 0;
1241 v->type = NULL;
1242 v->args = NULL;
1243 v->attrs = NULL;
1244 v->array = NULL;
1245 v->eval = NULL;
1246 return v;
1247 }
1248
1249 static func_list_t *append_func(func_list_t *list, func_t *func)
1250 {
1251 if (!func) return list;
1252 if (!list)
1253 {
1254 list = xmalloc( sizeof(*list) );
1255 list_init( list );
1256 }
1257 list_add_tail( list, &func->entry );
1258 return list;
1259 }
1260
1261 static func_t *make_func(var_t *def, var_list_t *args)
1262 {
1263 func_t *f = xmalloc(sizeof(func_t));
1264 f->def = def;
1265 f->args = args;
1266 f->ignore = parse_only;
1267 f->idx = -1;
1268 return f;
1269 }
1270
1271 static type_t *make_class(char *name)
1272 {
1273 type_t *c = make_type(0, NULL);
1274 c->name = name;
1275 c->kind = TKIND_COCLASS;
1276 return c;
1277 }
1278
1279 static type_t *make_safearray(type_t *type)
1280 {
1281 type_t *sa = duptype(find_type("SAFEARRAY", 0), 1);
1282 type_t *ptr;
1283
1284 sa->ref = type;
1285 ptr = make_type(RPC_FC_FP, sa);
1286 ptr->name = xstrdup("SAFEARRAY");
1287
1288 return ptr;
1289 }
1290
1291 #define HASHMAX 64
1292
1293 static int hash_ident(const char *name)
1294 {
1295 const char *p = name;
1296 int sum = 0;
1297 /* a simple sum hash is probably good enough */
1298 while (*p) {
1299 sum += *p;
1300 p++;
1301 }
1302 return sum & (HASHMAX-1);
1303 }
1304
1305 /***** type repository *****/
1306
1307 struct rtype {
1308 const char *name;
1309 type_t *type;
1310 int t;
1311 struct rtype *next;
1312 };
1313
1314 struct rtype *type_hash[HASHMAX];
1315
1316 static type_t *reg_type(type_t *type, const char *name, int t)
1317 {
1318 struct rtype *nt;
1319 int hash;
1320 if (!name) {
1321 yyerror("registering named type without name");
1322 return type;
1323 }
1324 hash = hash_ident(name);
1325 nt = xmalloc(sizeof(struct rtype));
1326 nt->name = name;
1327 nt->type = type;
1328 nt->t = t;
1329 nt->next = type_hash[hash];
1330 type_hash[hash] = nt;
1331 return type;
1332 }
1333
1334 static type_t *reg_typedefs(type_t *type, var_list_t *names, attr_list_t *attrs)
1335 {
1336 type_t *ptr = type;
1337 const var_t *name;
1338 int ptrc = 0;
1339 int is_str = is_attr(attrs, ATTR_STRING);
1340 unsigned char ptr_type = get_attrv(attrs, ATTR_POINTERTYPE);
1341
1342 if (is_str)
1343 {
1344 type_t *t = type;
1345 unsigned char c;
1346
1347 while (is_ptr(t))
1348 t = t->ref;
1349
1350 c = t->type;
1351 if (c != RPC_FC_CHAR && c != RPC_FC_BYTE && c != RPC_FC_WCHAR)
1352 {
1353 name = LIST_ENTRY( list_head( names ), const var_t, entry );
1354 yyerror("'%s': [string] attribute is only valid on 'char', 'byte', or 'wchar_t' pointers and arrays",
1355 name->name);
1356 }
1357 }
1358
1359 /* We must generate names for tagless enum, struct or union.
1360 Typedef-ing a tagless enum, struct or union means we want the typedef
1361 to be included in a library whether it has other attributes or not,
1362 hence the public attribute. */
1363 if ((type->kind == TKIND_ENUM || type->kind == TKIND_RECORD
1364 || type->kind == TKIND_UNION) && ! type->name && ! parse_only)
1365 {
1366 if (! is_attr(attrs, ATTR_PUBLIC))
1367 attrs = append_attr( attrs, make_attr(ATTR_PUBLIC) );
1368 type->name = gen_name();
1369 }
1370
1371 LIST_FOR_EACH_ENTRY( name, names, const var_t, entry )
1372 {
1373 if (name->name) {
1374 type_t *cur = ptr;
1375 int cptr = name->ptr_level;
1376 if (cptr > ptrc) {
1377 while (cptr > ptrc) {
1378 cur = ptr = make_type(RPC_FC_RP, cur);
1379 ptrc++;
1380 }
1381 } else {
1382 while (cptr < ptrc) {
1383 cur = cur->ref;
1384 cptr++;
1385 }
1386 }
1387 cur = alias(cur, name->name);
1388 cur->attrs = attrs;
1389 if (ptr_type)
1390 {
1391 if (is_ptr(cur))
1392 cur->type = ptr_type;
1393 else
1394 yyerror("'%s': pointer attribute applied to non-pointer type",
1395 cur->name);
1396 }
1397 else if (is_str && ! is_ptr(cur))
1398 yyerror("'%s': [string] attribute applied to non-pointer type",
1399 cur->name);
1400
1401 reg_type(cur, cur->name, 0);
1402 }
1403 }
1404 return type;
1405 }
1406
1407 static type_t *find_type(const char *name, int t)
1408 {
1409 struct rtype *cur = type_hash[hash_ident(name)];
1410 while (cur && (cur->t != t || strcmp(cur->name, name)))
1411 cur = cur->next;
1412 if (!cur) {
1413 yyerror("type '%s' not found", name);
1414 return NULL;
1415 }
1416 return cur->type;
1417 }
1418
1419 static type_t *find_type2(char *name, int t)
1420 {
1421 type_t *tp = find_type(name, t);
1422 free(name);
1423 return tp;
1424 }
1425
1426 int is_type(const char *name)
1427 {
1428 struct rtype *cur = type_hash[hash_ident(name)];
1429 while (cur && (cur->t || strcmp(cur->name, name)))
1430 cur = cur->next;
1431 if (cur) return TRUE;
1432 return FALSE;
1433 }
1434
1435 static type_t *get_type(unsigned char type, char *name, int t)
1436 {
1437 struct rtype *cur = NULL;
1438 type_t *tp;
1439 if (name) {
1440 cur = type_hash[hash_ident(name)];
1441 while (cur && (cur->t != t || strcmp(cur->name, name)))
1442 cur = cur->next;
1443 }
1444 if (cur) {
1445 free(name);
1446 return cur->type;
1447 }
1448 tp = make_type(type, NULL);
1449 tp->name = name;
1450 if (!name) return tp;
1451 return reg_type(tp, name, t);
1452 }
1453
1454 static type_t *get_typev(unsigned char type, var_t *name, int t)
1455 {
1456 char *sname = NULL;
1457 if (name) {
1458 sname = name->name;
1459 free(name);
1460 }
1461 return get_type(type, sname, t);
1462 }
1463
1464 static int get_struct_type(var_list_t *fields)
1465 {
1466 int has_pointer = 0;
1467 int has_conformance = 0;
1468 int has_variance = 0;
1469 var_t *field;
1470
1471 if (fields) LIST_FOR_EACH_ENTRY( field, fields, var_t, entry )
1472 {
1473 type_t *t = field->type;
1474
1475 if (field->ptr_level > 0)
1476 {
1477 has_pointer = 1;
1478 continue;
1479 }
1480
1481 if (is_string_type(field->attrs, 0, field->array))
1482 {
1483 has_conformance = 1;
1484 has_variance = 1;
1485 continue;
1486 }
1487
1488 if (is_array_type(field->attrs, 0, field->array))
1489 {
1490 if (field->array && is_conformant_array(field->array))
1491 {
1492 has_conformance = 1;
1493 if (list_next( fields, &field->entry ))
1494 yyerror("field '%s' deriving from a conformant array must be the last field in the structure",
1495 field->name);
1496 }
1497 if (is_attr(field->attrs, ATTR_LENGTHIS))
1498 has_variance = 1;
1499 }
1500
1501 switch (t->type)
1502 {
1503 /*
1504 * RPC_FC_BYTE, RPC_FC_STRUCT, etc
1505 * Simple types don't effect the type of struct.
1506 * A struct containing a simple struct is still a simple struct.
1507 * So long as we can block copy the data, we return RPC_FC_STRUCT.
1508 */
1509 case 0: /* void pointer */
1510 case RPC_FC_BYTE:
1511 case RPC_FC_CHAR:
1512 case RPC_FC_SMALL:
1513 case RPC_FC_USMALL:
1514 case RPC_FC_WCHAR:
1515 case RPC_FC_SHORT:
1516 case RPC_FC_USHORT:
1517 case RPC_FC_LONG:
1518 case RPC_FC_ULONG:
1519 case RPC_FC_INT3264:
1520 case RPC_FC_UINT3264:
1521 case RPC_FC_HYPER:
1522 case RPC_FC_FLOAT:
1523 case RPC_FC_DOUBLE:
1524 case RPC_FC_STRUCT:
1525 case RPC_FC_ENUM16:
1526 case RPC_FC_ENUM32:
1527 break;
1528
1529 case RPC_FC_RP:
1530 case RPC_FC_UP:
1531 case RPC_FC_FP:
1532 case RPC_FC_OP:
1533 has_pointer = 1;
1534 break;
1535 case RPC_FC_CARRAY:
1536 has_conformance = 1;
1537 if (list_next( fields, &field->entry ))
1538 yyerror("field '%s' deriving from a conformant array must be the last field in the structure",
1539 field->name);
1540 break;
1541
1542 /*
1543 * Propagate member attributes
1544 * a struct should be at least as complex as its member
1545 */
1546 case RPC_FC_CVSTRUCT:
1547 has_conformance = 1;
1548 has_variance = 1;
1549 has_pointer = 1;
1550 break;
1551
1552 case RPC_FC_CPSTRUCT:
1553 has_conformance = 1;
1554 if (list_next( fields, &field->entry ))
1555 yyerror("field '%s' deriving from a conformant array must be the last field in the structure",
1556 field->name);
1557 has_pointer = 1;
1558 break;
1559
1560 case RPC_FC_CSTRUCT:
1561 has_conformance = 1;
1562 if (list_next( fields, &field->entry ))
1563 yyerror("field '%s' deriving from a conformant array must be the last field in the structure",
1564 field->name);
1565 break;
1566
1567 case RPC_FC_PSTRUCT:
1568 has_pointer = 1;
1569 break;
1570
1571 default:
1572 fprintf(stderr,"Unknown struct member %s with type (0x%02x)\n",
1573 field->name, t->type);
1574 /* fallthru - treat it as complex */
1575
1576 /* as soon as we see one of these these members, it's bogus... */
1577 case RPC_FC_IP:
1578 case RPC_FC_ENCAPSULATED_UNION:
1579 case RPC_FC_NON_ENCAPSULATED_UNION:
1580 case RPC_FC_TRANSMIT_AS:
1581 case RPC_FC_REPRESENT_AS:
1582 case RPC_FC_PAD:
1583 case RPC_FC_EMBEDDED_COMPLEX:
1584 case RPC_FC_BOGUS_STRUCT:
1585 return RPC_FC_BOGUS_STRUCT;
1586 }
1587 }
1588
1589 if( has_variance )
1590 return RPC_FC_CVSTRUCT;
1591 if( has_conformance && has_pointer )
1592 return RPC_FC_CPSTRUCT;
1593 if( has_conformance )
1594 return RPC_FC_CSTRUCT;
1595 if( has_pointer )
1596 return RPC_FC_PSTRUCT;
1597 return RPC_FC_STRUCT;
1598 }
1599
1600 /***** constant repository *****/
1601
1602 struct rconst {
1603 char *name;
1604 var_t *var;
1605 struct rconst *next;
1606 };
1607
1608 struct rconst *const_hash[HASHMAX];
1609
1610 static var_t *reg_const(var_t *var)
1611 {
1612 struct rconst *nc;
1613 int hash;
1614 if (!var->name) {
1615 yyerror("registering constant without name");
1616 return var;
1617 }
1618 hash = hash_ident(var->name);
1619 nc = xmalloc(sizeof(struct rconst));
1620 nc->name = var->name;
1621 nc->var = var;
1622 nc->next = const_hash[hash];
1623 const_hash[hash] = nc;
1624 return var;
1625 }
1626
1627 static var_t *find_const(char *name, int f)
1628 {
1629 struct rconst *cur = const_hash[hash_ident(name)];
1630 while (cur && strcmp(cur->name, name))
1631 cur = cur->next;
1632 if (!cur) {
1633 if (f) yyerror("constant '%s' not found", name);
1634 return NULL;
1635 }
1636 return cur->var;
1637 }
1638
1639 static void write_libid(const char *name, const attr_list_t *attr)
1640 {
1641 const UUID *uuid = get_attrp(attr, ATTR_UUID);
1642 write_guid(idfile, "LIBID", name, uuid);
1643 }
1644
1645 static void write_clsid(type_t *cls)
1646 {
1647 const UUID *uuid = get_attrp(cls->attrs, ATTR_UUID);
1648 write_guid(idfile, "CLSID", cls->name, uuid);
1649 }
1650
1651 static void write_diid(type_t *iface)
1652 {
1653 const UUID *uuid = get_attrp(iface->attrs, ATTR_UUID);
1654 write_guid(idfile, "DIID", iface->name, uuid);
1655 }
1656
1657 static void write_iid(type_t *iface)
1658 {
1659 const UUID *uuid = get_attrp(iface->attrs, ATTR_UUID);
1660 write_guid(idfile, "IID", iface->name, uuid);
1661 }
1662
1663 static int compute_method_indexes(type_t *iface)
1664 {
1665 int idx;
1666 func_t *f;
1667
1668 if (iface->ref)
1669 idx = compute_method_indexes(iface->ref);
1670 else
1671 idx = 0;
1672
1673 if (!iface->funcs)
1674 return idx;
1675
1676 LIST_FOR_EACH_ENTRY( f, iface->funcs, func_t, entry )
1677 if (! is_callas(f->def->attrs))
1678 f->idx = idx++;
1679
1680 return idx;
1681 }
1682
1683 static char *gen_name(void)
1684 {
1685 static const char format[] = "__WIDL_%s_generated_name_%08lX";
1686 static unsigned long n = 0;
1687 static const char *file_id;
1688 static size_t size;
1689 char *name;
1690
1691 if (! file_id)
1692 {
1693 char *dst = dup_basename(input_name, ".idl");
1694 file_id = dst;
1695
1696 for (; *dst; ++dst)
1697 if (! isalnum((unsigned char) *dst))
1698 *dst = '_';
1699
1700 size = sizeof format - 7 + strlen(file_id) + 8;
1701 }
1702
1703 name = xmalloc(size);
1704 sprintf(name, format, file_id, n++);
1705 return name;
1706 }
1707
1708 static void process_typedefs(var_list_t *names)
1709 {
1710 var_t *name, *next;
1711
1712 if (!names) return;
1713 LIST_FOR_EACH_ENTRY_SAFE( name, next, names, var_t, entry )
1714 {
1715 type_t *type = find_type(name->name, 0);
1716
1717 if (! parse_only && do_header)
1718 write_typedef(type);
1719 if (in_typelib && type->attrs)
1720 add_typelib_entry(type);
1721
1722 free(name);
1723 }
1724 }
1725
1726 static void check_arg(var_t *arg)
1727 {
1728 type_t *t = arg->type;
1729
1730 if (t->type == 0 && ! is_var_ptr(arg))
1731 yyerror("argument '%s' has void type", arg->name);
1732 }
Windows API implementation