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ntdll: Moved the calling of the process entry point to LdrInitializeThunk.
[wine/multimedia.git] / tools / widl / parser.y
blob284f0fd53145718b72858544a7e53feb7a8b2793
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 attr_t *make_attr(enum attr_type type);
68 static attr_t *make_attrv(enum attr_type type, unsigned long val);
69 static attr_t *make_attrp(enum attr_type type, void *val);
70 static expr_t *make_expr(enum expr_type type);
71 static expr_t *make_exprl(enum expr_type type, long val);
72 static expr_t *make_exprs(enum expr_type type, char *val);
73 static expr_t *make_exprt(enum expr_type type, typeref_t *tref, expr_t *expr);
74 static expr_t *make_expr1(enum expr_type type, expr_t *expr);
75 static expr_t *make_expr2(enum expr_type type, expr_t *exp1, expr_t *exp2);
76 static expr_t *make_expr3(enum expr_type type, expr_t *expr1, expr_t *expr2, expr_t *expr3);
77 static type_t *make_type(unsigned char type, type_t *ref);
78 static typeref_t *make_tref(char *name, type_t *ref);
79 static typeref_t *uniq_tref(typeref_t *ref);
80 static type_t *type_ref(typeref_t *ref);
81 static void set_type(var_t *v, typeref_t *ref, expr_t *arr);
82 static ifref_t *make_ifref(type_t *iface);
83 static var_t *make_var(char *name);
84 static func_t *make_func(var_t *def, var_t *args);
85 static class_t *make_class(char *name);
86
87 static type_t *reg_type(type_t *type, const char *name, int t);
88 static type_t *reg_types(type_t *type, var_t *names, int t);
89 static type_t *find_type(const char *name, int t);
90 static type_t *find_type2(char *name, int t);
91 static type_t *get_type(unsigned char type, char *name, int t);
92 static type_t *get_typev(unsigned char type, var_t *name, int t);
93 static int get_struct_type(var_t *fields);
94
95 static var_t *reg_const(var_t *var);
96 static var_t *find_const(char *name, int f);
97
98 #define tsENUM 1
99 #define tsSTRUCT 2
100 #define tsUNION 3
101
102 static type_t std_bool = { "boolean" };
103 static type_t std_int = { "int" };
104 static type_t std_int64 = { "__int64" };
105 static type_t std_uhyper = { "MIDL_uhyper" };
106
107 %}
108 %union {
109 attr_t *attr;
110 expr_t *expr;
111 type_t *type;
112 typeref_t *tref;
113 var_t *var;
114 func_t *func;
115 ifref_t *ifref;
116 class_t *clas;
117 char *str;
118 UUID *uuid;
119 unsigned int num;
120 }
121
122 %token <str> aIDENTIFIER
123 %token <str> aKNOWNTYPE
124 %token <num> aNUM aHEXNUM
125 %token <str> aSTRING
126 %token <uuid> aUUID
127 %token aEOF
128 %token SHL SHR
129 %token tAGGREGATABLE tALLOCATE tAPPOBJECT tASYNC tASYNCUUID
130 %token tAUTOHANDLE tBINDABLE tBOOLEAN tBROADCAST tBYTE tBYTECOUNT
131 %token tCALLAS tCALLBACK tCASE tCDECL tCHAR tCOCLASS tCODE tCOMMSTATUS
132 %token tCONST tCONTEXTHANDLE tCONTEXTHANDLENOSERIALIZE
133 %token tCONTEXTHANDLESERIALIZE tCONTROL tCPPQUOTE
134 %token tDEFAULT
135 %token tDEFAULTCOLLELEM
136 %token tDEFAULTVALUE
137 %token tDEFAULTVTABLE
138 %token tDISPLAYBIND
139 %token tDISPINTERFACE
140 %token tDLLNAME tDOUBLE tDUAL
141 %token tENDPOINT
142 %token tENTRY tENUM tERRORSTATUST
143 %token tEXPLICITHANDLE tEXTERN
144 %token tFALSE
145 %token tFLOAT
146 %token tHANDLE
147 %token tHANDLET
148 %token tHELPCONTEXT tHELPFILE
149 %token tHELPSTRING tHELPSTRINGCONTEXT tHELPSTRINGDLL
150 %token tHIDDEN
151 %token tHYPER tID tIDEMPOTENT
152 %token tIIDIS
153 %token tIMMEDIATEBIND
154 %token tIMPLICITHANDLE
155 %token tIMPORT tIMPORTLIB
156 %token tIN tINLINE
157 %token tINPUTSYNC
158 %token tINT tINT64
159 %token tINTERFACE
160 %token tLCID
161 %token tLENGTHIS tLIBRARY
162 %token tLOCAL
163 %token tLONG
164 %token tMETHODS
165 %token tMODULE
166 %token tNONBROWSABLE
167 %token tNONCREATABLE
168 %token tNONEXTENSIBLE
169 %token tOBJECT tODL tOLEAUTOMATION
170 %token tOPTIONAL
171 %token tOUT
172 %token tPOINTERDEFAULT
173 %token tPROPERTIES
174 %token tPROPGET tPROPPUT tPROPPUTREF
175 %token tPTR
176 %token tPUBLIC
177 %token tRANGE
178 %token tREADONLY tREF
179 %token tREQUESTEDIT
180 %token tRESTRICTED
181 %token tRETVAL
182 %token tSHORT
183 %token tSIGNED
184 %token tSINGLE
185 %token tSIZEIS tSIZEOF
186 %token tSMALL
187 %token tSOURCE
188 %token tSTDCALL
189 %token tSTRING tSTRUCT
190 %token tSWITCH tSWITCHIS tSWITCHTYPE
191 %token tTRANSMITAS
192 %token tTRUE
193 %token tTYPEDEF
194 %token tUNION
195 %token tUNIQUE
196 %token tUNSIGNED
197 %token tUUID
198 %token tV1ENUM
199 %token tVARARG
200 %token tVERSION
201 %token tVOID
202 %token tWCHAR tWIREMARSHAL
203
204 %type <attr> m_attributes attributes attrib_list attribute
205 %type <expr> m_exprs /* exprs expr_list */ m_expr expr expr_list_const expr_const
206 %type <expr> array array_list
207 %type <type> inherit interface interfacehdr interfacedef interfacedec
208 %type <type> dispinterface dispinterfacehdr dispinterfacedef
209 %type <type> module modulehdr moduledef
210 %type <type> base_type int_std
211 %type <type> enumdef structdef typedef uniondef
212 %type <ifref> gbl_statements coclass_ints coclass_int
213 %type <tref> type
214 %type <var> m_args no_args args arg
215 %type <var> fields field s_field cases case enums enum_list enum constdef externdef
216 %type <var> m_ident t_ident ident p_ident pident pident_list
217 %type <var> dispint_props
218 %type <func> funcdef int_statements
219 %type <func> dispint_meths
220 %type <clas> coclass coclasshdr coclassdef
221 %type <num> pointer_type version
222 %type <str> libraryhdr
223
224 %left ','
225 %right '?' ':'
226 %left '|'
227 %left '&'
228 %left '-' '+'
229 %left '*' '/'
230 %left SHL SHR
231 %right '~'
232 %right CAST
233 %right PPTR
234 %right NEG
235
236 %%
237
238 input: gbl_statements { write_proxies($1); write_client($1); write_server($1); }
239 ;
240
241 gbl_statements: { $$ = NULL; }
242 | gbl_statements interfacedec { $$ = $1; }
243 | gbl_statements interfacedef { $$ = make_ifref($2); LINK($$, $1); }
244 | gbl_statements coclass ';' { $$ = $1; if (!parse_only && do_header) write_coclass_forward($2); }
245 | gbl_statements coclassdef { $$ = $1; add_coclass($2); }
246 | gbl_statements moduledef { $$ = $1; add_module($2); }
247 | gbl_statements librarydef { $$ = $1; }
248 | gbl_statements statement { $$ = $1; }
249 ;
250
251 imp_statements: {}
252 | imp_statements interfacedec { if (!parse_only) add_interface($2); }
253 | imp_statements interfacedef { if (!parse_only) add_interface($2); }
254 | imp_statements coclass ';' {}
255 | imp_statements coclassdef { if (!parse_only) add_coclass($2); }
256 | imp_statements moduledef { if (!parse_only) add_module($2); }
257 | imp_statements statement {}
258 | imp_statements importlib {}
259 ;
260
261 int_statements: { $$ = NULL; }
262 | int_statements funcdef ';' { $$ = $2; LINK($$, $1); }
263 | int_statements statement { $$ = $1; }
264 ;
265
266 statement: ';' {}
267 | constdef ';' { if (!parse_only && do_header) { write_constdef($1); } }
268 | cppquote {}
269 | enumdef ';' { if (!parse_only && do_header) { write_type(header, $1, NULL, NULL); fprintf(header, ";\n\n"); } }
270 | externdef ';' { if (!parse_only && do_header) { write_externdef($1); } }
271 | import {}
272 | structdef ';' { if (!parse_only && do_header) { write_type(header, $1, NULL, NULL); fprintf(header, ";\n\n"); } }
273 | typedef ';' {}
274 | uniondef ';' { if (!parse_only && do_header) { write_type(header, $1, NULL, NULL); fprintf(header, ";\n\n"); } }
275 ;
276
277 cppquote: tCPPQUOTE '(' aSTRING ')' { if (!parse_only && do_header) fprintf(header, "%s\n", $3); }
278 ;
279 import_start: tIMPORT aSTRING ';' { assert(yychar == YYEMPTY);
280 if (!do_import($2)) yychar = aEOF; }
281 ;
282 import: import_start imp_statements aEOF {}
283 ;
284
285 importlib: tIMPORTLIB '(' aSTRING ')' { if(!parse_only) add_importlib($3); }
286 ;
287
288 libraryhdr: tLIBRARY aIDENTIFIER { $$ = $2; }
289 ;
290 library_start: attributes libraryhdr '{' { start_typelib($2, $1);
291 if (!parse_only && do_header) write_library($2, $1); }
292 ;
293 librarydef: library_start imp_statements '}' { end_typelib(); }
294 ;
295
296 m_args: { $$ = NULL; }
297 | args
298 ;
299
300 no_args: tVOID { $$ = NULL; }
301 ;
302
303 args: arg
304 | args ',' arg { LINK($3, $1); $$ = $3; }
305 | no_args
306 ;
307
308 /* split into two rules to get bison to resolve a tVOID conflict */
309 arg: attributes type pident array { $$ = $3;
310 set_type($$, $2, $4);
311 $$->attrs = $1;
312 }
313 | type pident array { $$ = $2;
314 set_type($$, $1, $3);
315 }
316 | attributes type pident '(' m_args ')' { $$ = $3;
317 $$->ptr_level--;
318 set_type($$, $2, NULL);
319 $$->attrs = $1;
320 $$->args = $5;
321 }
322 | type pident '(' m_args ')' { $$ = $2;
323 $$->ptr_level--;
324 set_type($$, $1, NULL);
325 $$->args = $4;
326 }
327 ;
328
329 array: { $$ = NULL; }
330 | '[' array_list ']' { $$ = $2; }
331 | '[' '*' ']' { $$ = make_expr(EXPR_VOID); }
332 ;
333
334 array_list: m_expr /* size of first dimension is optional */
335 | array_list ',' expr { LINK($3, $1); $$ = $3; }
336 | array_list ']' '[' expr { LINK($4, $1); $$ = $4; }
337 ;
338
339 m_attributes: { $$ = NULL; }
340 | attributes
341 ;
342
343 attributes:
344 '[' attrib_list ']' { $$ = $2; }
345 ;
346
347 attrib_list: attribute
348 | attrib_list ',' attribute { LINK($3, $1); $$ = $3; }
349 | attrib_list ']' '[' attribute { LINK($4, $1); $$ = $4; }
350 ;
351
352 attribute:
353 tAGGREGATABLE { $$ = make_attr(ATTR_AGGREGATABLE); }
354 | tAPPOBJECT { $$ = make_attr(ATTR_APPOBJECT); }
355 | tASYNC { $$ = make_attr(ATTR_ASYNC); }
356 | tAUTOHANDLE { $$ = make_attr(ATTR_AUTO_HANDLE); }
357 | tBINDABLE { $$ = make_attr(ATTR_BINDABLE); }
358 | tCALLAS '(' ident ')' { $$ = make_attrp(ATTR_CALLAS, $3); }
359 | tCASE '(' expr_list_const ')' { $$ = make_attrp(ATTR_CASE, $3); }
360 | tCONTEXTHANDLE { $$ = make_attrv(ATTR_CONTEXTHANDLE, 0); }
361 | tCONTEXTHANDLENOSERIALIZE { $$ = make_attrv(ATTR_CONTEXTHANDLE, 0); /* RPC_CONTEXT_HANDLE_DONT_SERIALIZE */ }
362 | tCONTEXTHANDLESERIALIZE { $$ = make_attrv(ATTR_CONTEXTHANDLE, 0); /* RPC_CONTEXT_HANDLE_SERIALIZE */ }
363 | tCONTROL { $$ = make_attr(ATTR_CONTROL); }
364 | tDEFAULT { $$ = make_attr(ATTR_DEFAULT); }
365 | tDEFAULTCOLLELEM { $$ = make_attr(ATTR_DEFAULTCOLLELEM); }
366 | tDEFAULTVALUE '(' expr_const ')' { $$ = make_attrp(ATTR_DEFAULTVALUE_EXPR, $3); }
367 | tDEFAULTVALUE '(' aSTRING ')' { $$ = make_attrp(ATTR_DEFAULTVALUE_STRING, $3); }
368 | tDEFAULTVTABLE { $$ = make_attr(ATTR_DEFAULTVTABLE); }
369 | tDISPLAYBIND { $$ = make_attr(ATTR_DISPLAYBIND); }
370 | tDLLNAME '(' aSTRING ')' { $$ = make_attrp(ATTR_DLLNAME, $3); }
371 | tDUAL { $$ = make_attr(ATTR_DUAL); }
372 | tENDPOINT '(' aSTRING ')' { $$ = make_attrp(ATTR_ENDPOINT, $3); }
373 | tENTRY '(' aSTRING ')' { $$ = make_attrp(ATTR_ENTRY_STRING, $3); }
374 | tENTRY '(' expr_const ')' { $$ = make_attrp(ATTR_ENTRY_ORDINAL, $3); }
375 | tEXPLICITHANDLE { $$ = make_attr(ATTR_EXPLICIT_HANDLE); }
376 | tHANDLE { $$ = make_attr(ATTR_HANDLE); }
377 | tHELPCONTEXT '(' expr_const ')' { $$ = make_attrp(ATTR_HELPCONTEXT, $3); }
378 | tHELPFILE '(' aSTRING ')' { $$ = make_attrp(ATTR_HELPFILE, $3); }
379 | tHELPSTRING '(' aSTRING ')' { $$ = make_attrp(ATTR_HELPSTRING, $3); }
380 | tHELPSTRINGCONTEXT '(' expr_const ')' { $$ = make_attrp(ATTR_HELPSTRINGCONTEXT, $3); }
381 | tHELPSTRINGDLL '(' aSTRING ')' { $$ = make_attrp(ATTR_HELPSTRINGDLL, $3); }
382 | tHIDDEN { $$ = make_attr(ATTR_HIDDEN); }
383 | tID '(' expr_const ')' { $$ = make_attrp(ATTR_ID, $3); }
384 | tIDEMPOTENT { $$ = make_attr(ATTR_IDEMPOTENT); }
385 | tIIDIS '(' ident ')' { $$ = make_attrp(ATTR_IIDIS, $3); }
386 | tIMMEDIATEBIND { $$ = make_attr(ATTR_IMMEDIATEBIND); }
387 | tIMPLICITHANDLE '(' tHANDLET aIDENTIFIER ')' { $$ = make_attrp(ATTR_IMPLICIT_HANDLE, $4); }
388 | tIN { $$ = make_attr(ATTR_IN); }
389 | tINPUTSYNC { $$ = make_attr(ATTR_INPUTSYNC); }
390 | tLENGTHIS '(' m_exprs ')' { $$ = make_attrp(ATTR_LENGTHIS, $3); }
391 | tLOCAL { $$ = make_attr(ATTR_LOCAL); }
392 | tNONBROWSABLE { $$ = make_attr(ATTR_NONBROWSABLE); }
393 | tNONCREATABLE { $$ = make_attr(ATTR_NONCREATABLE); }
394 | tNONEXTENSIBLE { $$ = make_attr(ATTR_NONEXTENSIBLE); }
395 | tOBJECT { $$ = make_attr(ATTR_OBJECT); }
396 | tODL { $$ = make_attr(ATTR_ODL); }
397 | tOLEAUTOMATION { $$ = make_attr(ATTR_OLEAUTOMATION); }
398 | tOPTIONAL { $$ = make_attr(ATTR_OPTIONAL); }
399 | tOUT { $$ = make_attr(ATTR_OUT); }
400 | tPOINTERDEFAULT '(' pointer_type ')' { $$ = make_attrv(ATTR_POINTERDEFAULT, $3); }
401 | tPROPGET { $$ = make_attr(ATTR_PROPGET); }
402 | tPROPPUT { $$ = make_attr(ATTR_PROPPUT); }
403 | tPROPPUTREF { $$ = make_attr(ATTR_PROPPUTREF); }
404 | tPUBLIC { $$ = make_attr(ATTR_PUBLIC); }
405 | tRANGE '(' expr_const ',' expr_const ')' { LINK($5, $3); $$ = make_attrp(ATTR_RANGE, $5); }
406 | tREADONLY { $$ = make_attr(ATTR_READONLY); }
407 | tREQUESTEDIT { $$ = make_attr(ATTR_REQUESTEDIT); }
408 | tRESTRICTED { $$ = make_attr(ATTR_RESTRICTED); }
409 | tRETVAL { $$ = make_attr(ATTR_RETVAL); }
410 | tSIZEIS '(' m_exprs ')' { $$ = make_attrp(ATTR_SIZEIS, $3); }
411 | tSOURCE { $$ = make_attr(ATTR_SOURCE); }
412 | tSTRING { $$ = make_attr(ATTR_STRING); }
413 | tSWITCHIS '(' expr ')' { $$ = make_attrp(ATTR_SWITCHIS, $3); }
414 | tSWITCHTYPE '(' type ')' { $$ = make_attrp(ATTR_SWITCHTYPE, type_ref($3)); }
415 | tTRANSMITAS '(' type ')' { $$ = make_attrp(ATTR_TRANSMITAS, type_ref($3)); }
416 | tUUID '(' aUUID ')' { $$ = make_attrp(ATTR_UUID, $3); }
417 | tV1ENUM { $$ = make_attr(ATTR_V1ENUM); }
418 | tVARARG { $$ = make_attr(ATTR_VARARG); }
419 | tVERSION '(' version ')' { $$ = make_attrv(ATTR_VERSION, $3); }
420 | tWIREMARSHAL '(' type ')' { $$ = make_attrp(ATTR_WIREMARSHAL, type_ref($3)); }
421 | pointer_type { $$ = make_attrv(ATTR_POINTERTYPE, $1); }
422 ;
423
424 callconv:
425 | tSTDCALL
426 ;
427
428 cases: { $$ = NULL; }
429 | cases case { if ($2) { LINK($2, $1); $$ = $2; }
430 else { $$ = $1; }
431 }
432 ;
433
434 case: tCASE expr ':' field { attr_t *a = make_attrp(ATTR_CASE, $2);
435 $$ = $4; if (!$$) $$ = make_var(NULL);
436 LINK(a, $$->attrs); $$->attrs = a;
437 }
438 | tDEFAULT ':' field { attr_t *a = make_attr(ATTR_DEFAULT);
439 $$ = $3; if (!$$) $$ = make_var(NULL);
440 LINK(a, $$->attrs); $$->attrs = a;
441 }
442 ;
443
444 constdef: tCONST type ident '=' expr_const { $$ = reg_const($3);
445 set_type($$, $2, NULL);
446 $$->eval = $5;
447 }
448 ;
449
450 enums: { $$ = NULL; }
451 | enum_list ',' { $$ = $1; }
452 | enum_list
453 ;
454
455 enum_list: enum { if (!$$->eval)
456 $$->eval = make_exprl(EXPR_NUM, 0 /* default for first enum entry */);
457 }
458 | enum_list ',' enum { LINK($3, $1); $$ = $3;
459 if (!$$->eval)
460 $$->eval = make_exprl(EXPR_NUM, $1->eval->cval + 1);
461 }
462 ;
463
464 enum: ident '=' expr_const { $$ = reg_const($1);
465 $$->eval = $3;
466 $$->type = make_type(RPC_FC_LONG, &std_int);
467 }
468 | ident { $$ = reg_const($1);
469 $$->type = make_type(RPC_FC_LONG, &std_int);
470 }
471 ;
472
473 enumdef: tENUM t_ident '{' enums '}' { $$ = get_typev(RPC_FC_ENUM16, $2, tsENUM);
474 $$->fields = $4;
475 $$->defined = TRUE;
476 if(in_typelib)
477 add_enum($$);
478 }
479 ;
480
481 m_exprs: m_expr
482 | m_exprs ',' m_expr { LINK($3, $1); $$ = $3; }
483 ;
484
485 /*
486 exprs: { $$ = make_expr(EXPR_VOID); }
487 | expr_list
488 ;
489
490 expr_list: expr
491 | expr_list ',' expr { LINK($3, $1); $$ = $3; }
492 ;
493 */
494
495 m_expr: { $$ = make_expr(EXPR_VOID); }
496 | expr
497 ;
498
499 expr: aNUM { $$ = make_exprl(EXPR_NUM, $1); }
500 | aHEXNUM { $$ = make_exprl(EXPR_HEXNUM, $1); }
501 | tFALSE { $$ = make_exprl(EXPR_TRUEFALSE, 0); }
502 | tTRUE { $$ = make_exprl(EXPR_TRUEFALSE, 1); }
503 | aIDENTIFIER { $$ = make_exprs(EXPR_IDENTIFIER, $1); }
504 | expr '?' expr ':' expr { $$ = make_expr3(EXPR_COND, $1, $3, $5); }
505 | expr '|' expr { $$ = make_expr2(EXPR_OR , $1, $3); }
506 | expr '&' expr { $$ = make_expr2(EXPR_AND, $1, $3); }
507 | expr '+' expr { $$ = make_expr2(EXPR_ADD, $1, $3); }
508 | expr '-' expr { $$ = make_expr2(EXPR_SUB, $1, $3); }
509 | expr '*' expr { $$ = make_expr2(EXPR_MUL, $1, $3); }
510 | expr '/' expr { $$ = make_expr2(EXPR_DIV, $1, $3); }
511 | expr SHL expr { $$ = make_expr2(EXPR_SHL, $1, $3); }
512 | expr SHR expr { $$ = make_expr2(EXPR_SHR, $1, $3); }
513 | '~' expr { $$ = make_expr1(EXPR_NOT, $2); }
514 | '-' expr %prec NEG { $$ = make_expr1(EXPR_NEG, $2); }
515 | '*' expr %prec PPTR { $$ = make_expr1(EXPR_PPTR, $2); }
516 | '(' type ')' expr %prec CAST { $$ = make_exprt(EXPR_CAST, $2, $4); }
517 | tSIZEOF '(' type ')' { $$ = make_exprt(EXPR_SIZEOF, $3, NULL); }
518 | '(' expr ')' { $$ = $2; }
519 ;
520
521 expr_list_const: expr_const
522 | expr_list_const ',' expr_const { LINK($3, $1); $$ = $3; }
523 ;
524
525 expr_const: expr { $$ = $1;
526 if (!$$->is_const)
527 yyerror("expression is not constant");
528 }
529 ;
530
531 externdef: tEXTERN tCONST type ident { $$ = $4;
532 set_type($$, $3, NULL);
533 }
534 ;
535
536 fields: { $$ = NULL; }
537 | fields field { if ($2) { LINK($2, $1); $$ = $2; }
538 else { $$ = $1; }
539 }
540 ;
541
542 field: s_field ';' { $$ = $1; }
543 | m_attributes uniondef ';' { $$ = make_var(NULL); $$->type = $2; $$->attrs = $1; }
544 | attributes ';' { $$ = make_var(NULL); $$->attrs = $1; }
545 | ';' { $$ = NULL; }
546 ;
547
548 s_field: m_attributes type pident array { $$ = $3; set_type($$, $2, $4); $$->attrs = $1; }
549 ;
550
551 funcdef:
552 m_attributes type callconv pident
553 '(' m_args ')' { set_type($4, $2, NULL);
554 $4->attrs = $1;
555 $$ = make_func($4, $6);
556 if (is_attr($4->attrs, ATTR_IN)) {
557 yyerror("inapplicable attribute [in] for function '%s'",$$->def->name);
558 }
559 }
560 ;
561
562 m_ident: { $$ = NULL; }
563 | ident
564 ;
565
566 t_ident: { $$ = NULL; }
567 | aIDENTIFIER { $$ = make_var($1); }
568 | aKNOWNTYPE { $$ = make_var($1); }
569 ;
570
571 ident: aIDENTIFIER { $$ = make_var($1); }
572 /* some "reserved words" used in attributes are also used as field names in some MS IDL files */
573 | aKNOWNTYPE { $$ = make_var($<str>1); }
574 | tASYNC { $$ = make_var($<str>1); }
575 | tID { $$ = make_var($<str>1); }
576 | tLCID { $$ = make_var($<str>1); }
577 | tOBJECT { $$ = make_var($<str>1); }
578 | tRANGE { $$ = make_var($<str>1); }
579 | tRETVAL { $$ = make_var($<str>1); }
580 | tUUID { $$ = make_var($<str>1); }
581 | tVERSION { $$ = make_var($<str>1); }
582 ;
583
584 base_type: tBYTE { $$ = make_type(RPC_FC_BYTE, NULL); }
585 | tWCHAR { $$ = make_type(RPC_FC_WCHAR, NULL); }
586 | int_std
587 | tSIGNED int_std { $$ = $2; $$->sign = 1; }
588 | tUNSIGNED int_std { $$ = $2; $$->sign = -1;
589 switch ($$->type) {
590 case RPC_FC_CHAR: break;
591 case RPC_FC_SMALL: $$->type = RPC_FC_USMALL; break;
592 case RPC_FC_SHORT: $$->type = RPC_FC_USHORT; break;
593 case RPC_FC_LONG: $$->type = RPC_FC_ULONG; break;
594 case RPC_FC_HYPER:
595 if (!$$->ref) { $$->ref = &std_uhyper; $$->sign = 0; }
596 break;
597 default: break;
598 }
599 }
600 | tUNSIGNED { $$ = make_type(RPC_FC_ULONG, &std_int); $$->sign = -1; }
601 | tFLOAT { $$ = make_type(RPC_FC_FLOAT, NULL); }
602 | tSINGLE { $$ = make_type(RPC_FC_FLOAT, NULL); }
603 | tDOUBLE { $$ = make_type(RPC_FC_DOUBLE, NULL); }
604 | tBOOLEAN { $$ = make_type(RPC_FC_BYTE, &std_bool); /* ? */ }
605 | tERRORSTATUST { $$ = make_type(RPC_FC_ERROR_STATUS_T, NULL); }
606 | tHANDLET { $$ = make_type(RPC_FC_BIND_PRIMITIVE, NULL); /* ? */ }
607 ;
608
609 m_int:
610 | tINT
611 ;
612
613 int_std: tINT { $$ = make_type(RPC_FC_LONG, &std_int); } /* win32 only */
614 | tSHORT m_int { $$ = make_type(RPC_FC_SHORT, NULL); }
615 | tSMALL { $$ = make_type(RPC_FC_SMALL, NULL); }
616 | tLONG m_int { $$ = make_type(RPC_FC_LONG, NULL); }
617 | tHYPER m_int { $$ = make_type(RPC_FC_HYPER, NULL); }
618 | tINT64 { $$ = make_type(RPC_FC_HYPER, &std_int64); }
619 | tCHAR { $$ = make_type(RPC_FC_CHAR, NULL); }
620 ;
621
622 coclass: tCOCLASS aIDENTIFIER { $$ = make_class($2); }
623 | tCOCLASS aKNOWNTYPE { $$ = make_class($2); }
624 ;
625
626 coclasshdr: attributes coclass { $$ = $2;
627 $$->attrs = $1;
628 if (!parse_only && do_header)
629 write_coclass($$);
630 }
631 ;
632
633 coclassdef: coclasshdr '{' coclass_ints '}' { $$ = $1;
634 $$->ifaces = $3;
635 }
636 ;
637
638 coclass_ints: { $$ = NULL; }
639 | coclass_ints coclass_int { LINK($2, $1); $$ = $2; }
640 ;
641
642 coclass_int:
643 m_attributes interfacedec { $$ = make_ifref($2); $$->attrs = $1; }
644 ;
645
646 dispinterface: tDISPINTERFACE aIDENTIFIER { $$ = get_type(0, $2, 0); }
647 | tDISPINTERFACE aKNOWNTYPE { $$ = get_type(0, $2, 0); }
648 ;
649
650 dispinterfacehdr: attributes dispinterface { attr_t *attrs;
651 $$ = $2;
652 if ($$->defined) yyerror("multiple definition error");
653 attrs = make_attr(ATTR_DISPINTERFACE);
654 LINK(attrs, $1);
655 $$->attrs = attrs;
656 $$->ref = find_type("IDispatch", 0);
657 if (!$$->ref) yyerror("IDispatch is undefined");
658 $$->defined = TRUE;
659 if (!parse_only && do_header) write_forward($$);
660 }
661 ;
662
663 dispint_props: tPROPERTIES ':' { $$ = NULL; }
664 | dispint_props s_field ';' { LINK($2, $1); $$ = $2; }
665 ;
666
667 dispint_meths: tMETHODS ':' { $$ = NULL; }
668 | dispint_meths funcdef ';' { LINK($2, $1); $$ = $2; }
669 ;
670
671 dispinterfacedef: dispinterfacehdr '{'
672 dispint_props
673 dispint_meths
674 '}' { $$ = $1;
675 $$->fields = $3;
676 $$->funcs = $4;
677 if (!parse_only && do_header) write_dispinterface($$);
678 }
679 /* FIXME: not sure how to handle this yet
680 | dispinterfacehdr '{' interface '}' { $$ = $1;
681 if (!parse_only && do_header) write_interface($$);
682 }
683 */
684 ;
685
686 inherit: { $$ = NULL; }
687 | ':' aKNOWNTYPE { $$ = find_type2($2, 0); }
688 ;
689
690 interface: tINTERFACE aIDENTIFIER { $$ = get_type(RPC_FC_IP, $2, 0); }
691 | tINTERFACE aKNOWNTYPE { $$ = get_type(RPC_FC_IP, $2, 0); }
692 ;
693
694 interfacehdr: attributes interface { $$ = $2;
695 if ($$->defined) yyerror("multiple definition error");
696 $$->attrs = $1;
697 $$->defined = TRUE;
698 if (!parse_only && do_header) write_forward($$);
699 }
700 ;
701
702 interfacedef: interfacehdr inherit
703 '{' int_statements '}' { $$ = $1;
704 $$->ref = $2;
705 $$->funcs = $4;
706 if (!parse_only && do_header) write_interface($$);
707 }
708 /* MIDL is able to import the definition of a base class from inside the
709 * definition of a derived class, I'll try to support it with this rule */
710 | interfacehdr ':' aIDENTIFIER
711 '{' import int_statements '}' { $$ = $1;
712 $$->ref = find_type2($3, 0);
713 if (!$$->ref) yyerror("base class '%s' not found in import", $3);
714 $$->funcs = $6;
715 if (!parse_only && do_header) write_interface($$);
716 }
717 | dispinterfacedef { $$ = $1; }
718 ;
719
720 interfacedec:
721 interface ';' { $$ = $1; if (!parse_only && do_header) write_forward($$); }
722 | dispinterface ';' { $$ = $1; if (!parse_only && do_header) write_forward($$); }
723 ;
724
725 module: tMODULE aIDENTIFIER { $$ = make_type(0, NULL); $$->name = $2; }
726 | tMODULE aKNOWNTYPE { $$ = make_type(0, NULL); $$->name = $2; }
727 ;
728
729 modulehdr: attributes module { $$ = $2;
730 $$->attrs = $1;
731 }
732 ;
733
734 moduledef: modulehdr '{' int_statements '}' { $$ = $1;
735 $$->funcs = $3;
736 /* FIXME: if (!parse_only && do_header) write_module($$); */
737 }
738 ;
739
740 p_ident: '*' pident %prec PPTR { $$ = $2; $$->ptr_level++; }
741 | tCONST p_ident { $$ = $2; /* FIXME */ }
742 ;
743
744 pident: ident
745 | p_ident
746 | '(' pident ')' { $$ = $2; }
747 ;
748
749 pident_list:
750 pident
751 | pident_list ',' pident { LINK($3, $1); $$ = $3; }
752 ;
753
754 pointer_type:
755 tREF { $$ = RPC_FC_RP; }
756 | tUNIQUE { $$ = RPC_FC_UP; }
757 | tPTR { $$ = RPC_FC_FP; }
758 ;
759
760 structdef: tSTRUCT t_ident '{' fields '}' { $$ = get_typev(RPC_FC_STRUCT, $2, tsSTRUCT);
761 /* overwrite RPC_FC_STRUCT with a more exact type */
762 $$->type = get_struct_type( $4 );
763 $$->fields = $4;
764 $$->defined = TRUE;
765 if(in_typelib)
766 add_struct($$);
767 }
768 ;
769
770 type: tVOID { $$ = make_tref(NULL, make_type(0, NULL)); }
771 | aKNOWNTYPE { $$ = make_tref($1, find_type($1, 0)); }
772 | base_type { $$ = make_tref(NULL, $1); }
773 | tCONST type { $$ = uniq_tref($2); $$->ref->is_const = TRUE; }
774 | enumdef { $$ = make_tref(NULL, $1); }
775 | tENUM aIDENTIFIER { $$ = make_tref(NULL, find_type2($2, tsENUM)); }
776 | structdef { $$ = make_tref(NULL, $1); }
777 | tSTRUCT aIDENTIFIER { $$ = make_tref(NULL, get_type(RPC_FC_STRUCT, $2, tsSTRUCT)); }
778 | uniondef { $$ = make_tref(NULL, $1); }
779 | tUNION aIDENTIFIER { $$ = make_tref(NULL, find_type2($2, tsUNION)); }
780 ;
781
782 typedef: tTYPEDEF m_attributes type pident_list { typeref_t *tref = uniq_tref($3);
783 $4->tname = tref->name;
784 tref->name = NULL;
785 $$ = type_ref(tref);
786 $$->attrs = $2;
787 if (!parse_only && do_header)
788 write_typedef($$, $4);
789 if (in_typelib && $$->attrs)
790 add_typedef($$, $4);
791 reg_types($$, $4, 0);
792 }
793 ;
794
795 uniondef: tUNION t_ident '{' fields '}' { $$ = get_typev(RPC_FC_NON_ENCAPSULATED_UNION, $2, tsUNION);
796 $$->fields = $4;
797 $$->defined = TRUE;
798 }
799 | tUNION t_ident
800 tSWITCH '(' s_field ')'
801 m_ident '{' cases '}' { var_t *u = $7;
802 $$ = get_typev(RPC_FC_ENCAPSULATED_UNION, $2, tsUNION);
803 if (!u) u = make_var("tagged_union");
804 u->type = make_type(RPC_FC_NON_ENCAPSULATED_UNION, NULL);
805 u->type->fields = $9;
806 u->type->defined = TRUE;
807 LINK(u, $5); $$->fields = u;
808 $$->defined = TRUE;
809 }
810 ;
811
812 version:
813 aNUM { $$ = MAKELONG($1, 0); }
814 | aNUM '.' aNUM { $$ = MAKELONG($1, $3); }
815 ;
816
817 %%
818
819 static attr_t *make_attr(enum attr_type type)
820 {
821 attr_t *a = xmalloc(sizeof(attr_t));
822 a->type = type;
823 a->u.ival = 0;
824 INIT_LINK(a);
825 return a;
826 }
827
828 static attr_t *make_attrv(enum attr_type type, unsigned long val)
829 {
830 attr_t *a = xmalloc(sizeof(attr_t));
831 a->type = type;
832 a->u.ival = val;
833 INIT_LINK(a);
834 return a;
835 }
836
837 static attr_t *make_attrp(enum attr_type type, void *val)
838 {
839 attr_t *a = xmalloc(sizeof(attr_t));
840 a->type = type;
841 a->u.pval = val;
842 INIT_LINK(a);
843 return a;
844 }
845
846 static expr_t *make_expr(enum expr_type type)
847 {
848 expr_t *e = xmalloc(sizeof(expr_t));
849 e->type = type;
850 e->ref = NULL;
851 e->u.lval = 0;
852 e->is_const = FALSE;
853 INIT_LINK(e);
854 return e;
855 }
856
857 static expr_t *make_exprl(enum expr_type type, long val)
858 {
859 expr_t *e = xmalloc(sizeof(expr_t));
860 e->type = type;
861 e->ref = NULL;
862 e->u.lval = val;
863 e->is_const = FALSE;
864 INIT_LINK(e);
865 /* check for numeric constant */
866 if (type == EXPR_NUM || type == EXPR_HEXNUM || type == EXPR_TRUEFALSE) {
867 /* make sure true/false value is valid */
868 assert(type != EXPR_TRUEFALSE || val == 0 || val == 1);
869 e->is_const = TRUE;
870 e->cval = val;
871 }
872 return e;
873 }
874
875 static expr_t *make_exprs(enum expr_type type, char *val)
876 {
877 expr_t *e;
878 e = xmalloc(sizeof(expr_t));
879 e->type = type;
880 e->ref = NULL;
881 e->u.sval = val;
882 e->is_const = FALSE;
883 INIT_LINK(e);
884 /* check for predefined constants */
885 if (type == EXPR_IDENTIFIER) {
886 var_t *c = find_const(val, 0);
887 if (c) {
888 e->u.sval = c->name;
889 free(val);
890 e->is_const = TRUE;
891 e->cval = c->eval->cval;
892 }
893 }
894 return e;
895 }
896
897 static expr_t *make_exprt(enum expr_type type, typeref_t *tref, expr_t *expr)
898 {
899 expr_t *e;
900 e = xmalloc(sizeof(expr_t));
901 e->type = type;
902 e->ref = expr;
903 e->u.tref = tref;
904 e->is_const = FALSE;
905 INIT_LINK(e);
906 /* check for cast of constant expression */
907 if (type == EXPR_SIZEOF) {
908 switch (tref->ref->type) {
909 case RPC_FC_BYTE:
910 case RPC_FC_CHAR:
911 case RPC_FC_SMALL:
912 case RPC_FC_USMALL:
913 e->is_const = TRUE;
914 e->cval = 1;
915 break;
916 case RPC_FC_WCHAR:
917 case RPC_FC_USHORT:
918 case RPC_FC_SHORT:
919 e->is_const = TRUE;
920 e->cval = 2;
921 break;
922 case RPC_FC_LONG:
923 case RPC_FC_ULONG:
924 case RPC_FC_FLOAT:
925 case RPC_FC_ERROR_STATUS_T:
926 e->is_const = TRUE;
927 e->cval = 4;
928 break;
929 case RPC_FC_HYPER:
930 case RPC_FC_DOUBLE:
931 e->is_const = TRUE;
932 e->cval = 8;
933 break;
934 }
935 }
936 if (type == EXPR_CAST && expr->is_const) {
937 e->is_const = TRUE;
938 e->cval = expr->cval;
939 }
940 return e;
941 }
942
943 static expr_t *make_expr1(enum expr_type type, expr_t *expr)
944 {
945 expr_t *e;
946 e = xmalloc(sizeof(expr_t));
947 e->type = type;
948 e->ref = expr;
949 e->u.lval = 0;
950 e->is_const = FALSE;
951 INIT_LINK(e);
952 /* check for compile-time optimization */
953 if (expr->is_const) {
954 e->is_const = TRUE;
955 switch (type) {
956 case EXPR_NEG:
957 e->cval = -expr->cval;
958 break;
959 case EXPR_NOT:
960 e->cval = ~expr->cval;
961 break;
962 default:
963 e->is_const = FALSE;
964 break;
965 }
966 }
967 return e;
968 }
969
970 static expr_t *make_expr2(enum expr_type type, expr_t *expr1, expr_t *expr2)
971 {
972 expr_t *e;
973 e = xmalloc(sizeof(expr_t));
974 e->type = type;
975 e->ref = expr1;
976 e->u.ext = expr2;
977 e->is_const = FALSE;
978 INIT_LINK(e);
979 /* check for compile-time optimization */
980 if (expr1->is_const && expr2->is_const) {
981 e->is_const = TRUE;
982 switch (type) {
983 case EXPR_ADD:
984 e->cval = expr1->cval + expr2->cval;
985 break;
986 case EXPR_SUB:
987 e->cval = expr1->cval - expr2->cval;
988 break;
989 case EXPR_MUL:
990 e->cval = expr1->cval * expr2->cval;
991 break;
992 case EXPR_DIV:
993 e->cval = expr1->cval / expr2->cval;
994 break;
995 case EXPR_OR:
996 e->cval = expr1->cval | expr2->cval;
997 break;
998 case EXPR_AND:
999 e->cval = expr1->cval & expr2->cval;
1000 break;
1001 case EXPR_SHL:
1002 e->cval = expr1->cval << expr2->cval;
1003 break;
1004 case EXPR_SHR:
1005 e->cval = expr1->cval >> expr2->cval;
1006 break;
1007 default:
1008 e->is_const = FALSE;
1009 break;
1010 }
1011 }
1012 return e;
1013 }
1014
1015 static expr_t *make_expr3(enum expr_type type, expr_t *expr1, expr_t *expr2, expr_t *expr3)
1016 {
1017 expr_t *e;
1018 e = xmalloc(sizeof(expr_t));
1019 e->type = type;
1020 e->ref = expr1;
1021 e->u.ext = expr2;
1022 e->ext2 = expr3;
1023 e->is_const = FALSE;
1024 INIT_LINK(e);
1025 /* check for compile-time optimization */
1026 if (expr1->is_const && expr2->is_const && expr3->is_const) {
1027 e->is_const = TRUE;
1028 switch (type) {
1029 case EXPR_COND:
1030 e->cval = expr1->cval ? expr2->cval : expr3->cval;
1031 break;
1032 default:
1033 e->is_const = FALSE;
1034 break;
1035 }
1036 }
1037 return e;
1038 }
1039
1040 static type_t *make_type(unsigned char type, type_t *ref)
1041 {
1042 type_t *t = xmalloc(sizeof(type_t));
1043 t->name = NULL;
1044 t->type = type;
1045 t->ref = ref;
1046 t->attrs = NULL;
1047 t->funcs = NULL;
1048 t->fields = NULL;
1049 t->ignore = parse_only;
1050 t->is_const = FALSE;
1051 t->sign = 0;
1052 t->defined = FALSE;
1053 t->written = FALSE;
1054 t->typelib_idx = -1;
1055 INIT_LINK(t);
1056 return t;
1057 }
1058
1059 static typeref_t *make_tref(char *name, type_t *ref)
1060 {
1061 typeref_t *t = xmalloc(sizeof(typeref_t));
1062 t->name = name;
1063 t->ref = ref;
1064 t->uniq = ref ? 0 : 1;
1065 return t;
1066 }
1067
1068 static typeref_t *uniq_tref(typeref_t *ref)
1069 {
1070 typeref_t *t = ref;
1071 type_t *tp;
1072 if (t->uniq) return t;
1073 tp = make_type(0, t->ref);
1074 tp->name = t->name;
1075 t->name = NULL;
1076 t->ref = tp;
1077 t->uniq = 1;
1078 return t;
1079 }
1080
1081 static type_t *type_ref(typeref_t *ref)
1082 {
1083 type_t *t = ref->ref;
1084 if (ref->name) free(ref->name);
1085 free(ref);
1086 return t;
1087 }
1088
1089 static void set_type(var_t *v, typeref_t *ref, expr_t *arr)
1090 {
1091 v->type = ref->ref;
1092 v->tname = ref->name;
1093 ref->name = NULL;
1094 free(ref);
1095 v->array = arr;
1096 }
1097
1098 static ifref_t *make_ifref(type_t *iface)
1099 {
1100 ifref_t *l = xmalloc(sizeof(ifref_t));
1101 l->iface = iface;
1102 l->attrs = NULL;
1103 INIT_LINK(l);
1104 return l;
1105 }
1106
1107 static var_t *make_var(char *name)
1108 {
1109 var_t *v = xmalloc(sizeof(var_t));
1110 v->name = name;
1111 v->ptr_level = 0;
1112 v->type = NULL;
1113 v->tname = NULL;
1114 v->attrs = NULL;
1115 v->array = NULL;
1116 v->eval = NULL;
1117 INIT_LINK(v);
1118 return v;
1119 }
1120
1121 static func_t *make_func(var_t *def, var_t *args)
1122 {
1123 func_t *f = xmalloc(sizeof(func_t));
1124 f->def = def;
1125 f->args = args;
1126 f->ignore = parse_only;
1127 f->idx = -1;
1128 INIT_LINK(f);
1129 return f;
1130 }
1131
1132 static class_t *make_class(char *name)
1133 {
1134 class_t *c = xmalloc(sizeof(class_t));
1135 c->name = name;
1136 c->attrs = NULL;
1137 c->ifaces = NULL;
1138 INIT_LINK(c);
1139 return c;
1140 }
1141
1142 #define HASHMAX 64
1143
1144 static int hash_ident(const char *name)
1145 {
1146 const char *p = name;
1147 int sum = 0;
1148 /* a simple sum hash is probably good enough */
1149 while (*p) {
1150 sum += *p;
1151 p++;
1152 }
1153 return sum & (HASHMAX-1);
1154 }
1155
1156 /***** type repository *****/
1157
1158 struct rtype {
1159 const char *name;
1160 type_t *type;
1161 int t;
1162 struct rtype *next;
1163 };
1164
1165 struct rtype *type_hash[HASHMAX];
1166
1167 static type_t *reg_type(type_t *type, const char *name, int t)
1168 {
1169 struct rtype *nt;
1170 int hash;
1171 if (!name) {
1172 yyerror("registering named type without name");
1173 return type;
1174 }
1175 hash = hash_ident(name);
1176 nt = xmalloc(sizeof(struct rtype));
1177 nt->name = name;
1178 nt->type = type;
1179 nt->t = t;
1180 nt->next = type_hash[hash];
1181 type_hash[hash] = nt;
1182 return type;
1183 }
1184
1185 /* determine pointer type from attrs */
1186 static unsigned char get_pointer_type( type_t *type )
1187 {
1188 int t;
1189 if (is_attr( type->attrs, ATTR_STRING ))
1190 {
1191 type_t *t = type;
1192 while( t->type == 0 && t->ref )
1193 t = t->ref;
1194 switch( t->type )
1195 {
1196 case RPC_FC_CHAR:
1197 return RPC_FC_C_CSTRING;
1198 case RPC_FC_WCHAR:
1199 return RPC_FC_C_WSTRING;
1200 }
1201 }
1202 t = get_attrv( type->attrs, ATTR_POINTERTYPE );
1203 if (t) return t;
1204 return RPC_FC_FP;
1205 }
1206
1207 static type_t *reg_types(type_t *type, var_t *names, int t)
1208 {
1209 type_t *ptr = type;
1210 int ptrc = 0;
1211
1212 while (names) {
1213 var_t *next = NEXT_LINK(names);
1214 if (names->name) {
1215 type_t *cur = ptr;
1216 int cptr = names->ptr_level;
1217 if (cptr > ptrc) {
1218 while (cptr > ptrc) {
1219 int t = get_pointer_type( cur );
1220 cur = ptr = make_type(t, cur);
1221 ptrc++;
1222 }
1223 } else {
1224 while (cptr < ptrc) {
1225 cur = cur->ref;
1226 cptr++;
1227 }
1228 }
1229 reg_type(cur, names->name, t);
1230 }
1231 free(names);
1232 names = next;
1233 }
1234 return type;
1235 }
1236
1237 static type_t *find_type(const char *name, int t)
1238 {
1239 struct rtype *cur = type_hash[hash_ident(name)];
1240 while (cur && (cur->t != t || strcmp(cur->name, name)))
1241 cur = cur->next;
1242 if (!cur) {
1243 yyerror("type '%s' not found", name);
1244 return NULL;
1245 }
1246 return cur->type;
1247 }
1248
1249 static type_t *find_type2(char *name, int t)
1250 {
1251 type_t *tp = find_type(name, t);
1252 free(name);
1253 return tp;
1254 }
1255
1256 int is_type(const char *name)
1257 {
1258 struct rtype *cur = type_hash[hash_ident(name)];
1259 while (cur && (cur->t || strcmp(cur->name, name)))
1260 cur = cur->next;
1261 if (cur) return TRUE;
1262 return FALSE;
1263 }
1264
1265 static type_t *get_type(unsigned char type, char *name, int t)
1266 {
1267 struct rtype *cur = NULL;
1268 type_t *tp;
1269 if (name) {
1270 cur = type_hash[hash_ident(name)];
1271 while (cur && (cur->t != t || strcmp(cur->name, name)))
1272 cur = cur->next;
1273 }
1274 if (cur) {
1275 free(name);
1276 return cur->type;
1277 }
1278 tp = make_type(type, NULL);
1279 tp->name = name;
1280 if (!name) return tp;
1281 return reg_type(tp, name, t);
1282 }
1283
1284 static type_t *get_typev(unsigned char type, var_t *name, int t)
1285 {
1286 char *sname = NULL;
1287 if (name) {
1288 sname = name->name;
1289 free(name);
1290 }
1291 return get_type(type, sname, t);
1292 }
1293
1294 static int get_struct_type(var_t *field)
1295 {
1296 int has_pointer = 0;
1297 int has_conformance = 0;
1298 int has_variance = 0;
1299
1300 for (; field; field = NEXT_LINK(field))
1301 {
1302 type_t *t = field->type;
1303
1304 /* get the base type */
1305 while( (t->type == 0) && t->ref )
1306 t = t->ref;
1307
1308 if (field->ptr_level > 0)
1309 {
1310 has_pointer = 1;
1311 continue;
1312 }
1313
1314 if (is_string_type(field->attrs, 0, field->array))
1315 {
1316 has_conformance = 1;
1317 has_variance = 1;
1318 continue;
1319 }
1320
1321 if (is_array_type(field->attrs, 0, field->array))
1322 {
1323 if (field->array && !field->array->is_const)
1324 {
1325 has_conformance = 1;
1326 if (PREV_LINK(field))
1327 yyerror("field '%s' deriving from a conformant array must be the last field in the structure",
1328 field->name);
1329 }
1330 if (is_attr(field->attrs, ATTR_LENGTHIS))
1331 has_variance = 1;
1332 }
1333
1334 switch (t->type)
1335 {
1336 /*
1337 * RPC_FC_BYTE, RPC_FC_STRUCT, etc
1338 * Simple types don't effect the type of struct.
1339 * A struct containing a simple struct is still a simple struct.
1340 * So long as we can block copy the data, we return RPC_FC_STRUCT.
1341 */
1342 case 0: /* void pointer */
1343 case RPC_FC_BYTE:
1344 case RPC_FC_CHAR:
1345 case RPC_FC_SMALL:
1346 case RPC_FC_USMALL:
1347 case RPC_FC_WCHAR:
1348 case RPC_FC_SHORT:
1349 case RPC_FC_USHORT:
1350 case RPC_FC_LONG:
1351 case RPC_FC_ULONG:
1352 case RPC_FC_INT3264:
1353 case RPC_FC_UINT3264:
1354 case RPC_FC_HYPER:
1355 case RPC_FC_FLOAT:
1356 case RPC_FC_DOUBLE:
1357 case RPC_FC_STRUCT:
1358 case RPC_FC_ENUM16:
1359 case RPC_FC_ENUM32:
1360 break;
1361
1362 case RPC_FC_UP:
1363 case RPC_FC_FP:
1364 has_pointer = 1;
1365 break;
1366 case RPC_FC_CARRAY:
1367 has_conformance = 1;
1368 if (PREV_LINK(field))
1369 yyerror("field '%s' deriving from a conformant array must be the last field in the structure",
1370 field->name);
1371 break;
1372 case RPC_FC_C_CSTRING:
1373 case RPC_FC_C_WSTRING:
1374 has_conformance = 1;
1375 has_variance = 1;
1376 break;
1377
1378 /*
1379 * Propagate member attributes
1380 * a struct should be at least as complex as its member
1381 */
1382 case RPC_FC_CVSTRUCT:
1383 has_conformance = 1;
1384 has_variance = 1;
1385 has_pointer = 1;
1386 break;
1387
1388 case RPC_FC_CPSTRUCT:
1389 has_conformance = 1;
1390 if (PREV_LINK(field))
1391 yyerror("field '%s' deriving from a conformant array must be the last field in the structure",
1392 field->name);
1393 has_pointer = 1;
1394 break;
1395
1396 case RPC_FC_CSTRUCT:
1397 has_conformance = 1;
1398 if (PREV_LINK(field))
1399 yyerror("field '%s' deriving from a conformant array must be the last field in the structure",
1400 field->name);
1401 break;
1402
1403 case RPC_FC_PSTRUCT:
1404 has_pointer = 1;
1405 break;
1406
1407 default:
1408 fprintf(stderr,"Unknown struct member %s with type (0x%02x)\n",
1409 field->name, t->type);
1410 /* fallthru - treat it as complex */
1411
1412 /* as soon as we see one of these these members, it's bogus... */
1413 case RPC_FC_IP:
1414 case RPC_FC_ENCAPSULATED_UNION:
1415 case RPC_FC_NON_ENCAPSULATED_UNION:
1416 case RPC_FC_TRANSMIT_AS:
1417 case RPC_FC_REPRESENT_AS:
1418 case RPC_FC_PAD:
1419 case RPC_FC_EMBEDDED_COMPLEX:
1420 case RPC_FC_BOGUS_STRUCT:
1421 return RPC_FC_BOGUS_STRUCT;
1422 }
1423 }
1424
1425 if( has_variance )
1426 return RPC_FC_CVSTRUCT;
1427 if( has_conformance && has_pointer )
1428 return RPC_FC_CPSTRUCT;
1429 if( has_conformance )
1430 return RPC_FC_CSTRUCT;
1431 if( has_pointer )
1432 return RPC_FC_PSTRUCT;
1433 return RPC_FC_STRUCT;
1434 }
1435
1436 /***** constant repository *****/
1437
1438 struct rconst {
1439 char *name;
1440 var_t *var;
1441 struct rconst *next;
1442 };
1443
1444 struct rconst *const_hash[HASHMAX];
1445
1446 static var_t *reg_const(var_t *var)
1447 {
1448 struct rconst *nc;
1449 int hash;
1450 if (!var->name) {
1451 yyerror("registering constant without name");
1452 return var;
1453 }
1454 hash = hash_ident(var->name);
1455 nc = xmalloc(sizeof(struct rconst));
1456 nc->name = var->name;
1457 nc->var = var;
1458 nc->next = const_hash[hash];
1459 const_hash[hash] = nc;
1460 return var;
1461 }
1462
1463 static var_t *find_const(char *name, int f)
1464 {
1465 struct rconst *cur = const_hash[hash_ident(name)];
1466 while (cur && strcmp(cur->name, name))
1467 cur = cur->next;
1468 if (!cur) {
1469 if (f) yyerror("constant '%s' not found", name);
1470 return NULL;
1471 }
1472 return cur->var;
1473 }
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