1 %{ 2 /* 3 * IDL Compiler 4 * 5 * Copyright 2002 Ove Kaaven 6 * Copyright 2006-2008 Robert Shearman 7 * 8 * This library is free software; you can redistribute it and/or 9 * modify it under the terms of the GNU Lesser General Public 10 * License as published by the Free Software Foundation; either 11 * version 2.1 of the License, or (at your option) any later version. 12 * 13 * This library is distributed in the hope that it will be useful, 14 * but WITHOUT ANY WARRANTY; without even the implied warranty of 15 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU 16 * Lesser General Public License for more details. 17 * 18 * You should have received a copy of the GNU Lesser General Public 19 * License along with this library; if not, write to the Free Software 20 * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA 21 */ 22 23 #include "config.h" 24 25 #include <stdio.h> 26 #include <stdlib.h> 27 #include <stdarg.h> 28 #include <assert.h> 29 #include <ctype.h> 30 #include <string.h> 31 32 #include "widl.h" 33 #include "utils.h" 34 #include "parser.h" 35 #include "header.h" 36 #include "typelib.h" 37 #include "typegen.h" 38 #include "expr.h" 39 #include "typetree.h" 40 41 static unsigned char pointer_default = RPC_FC_UP; 42 43 typedef struct list typelist_t; 44 struct typenode { 45 type_t *type; 46 struct list entry; 47 }; 48 49 struct _import_t 50 { 51 char *name; 52 int import_performed; 53 }; 54 55 typedef struct _decl_spec_t 56 { 57 type_t *type; 58 attr_list_t *attrs; 59 enum storage_class stgclass; 60 } decl_spec_t; 61 62 typelist_t incomplete_types = LIST_INIT(incomplete_types); 63 64 static void fix_incomplete(void); 65 static void fix_incomplete_types(type_t *complete_type); 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_list_t *append_attr_list(attr_list_t *new_list, attr_list_t *old_list); 70 static decl_spec_t *make_decl_spec(type_t *type, decl_spec_t *left, decl_spec_t *right, attr_t *attr, enum storage_class stgclass); 71 static attr_t *make_attr(enum attr_type type); 72 static attr_t *make_attrv(enum attr_type type, unsigned int val); 73 static attr_t *make_attrp(enum attr_type type, void *val); 74 static expr_list_t *append_expr(expr_list_t *list, expr_t *expr); 75 static array_dims_t *append_array(array_dims_t *list, expr_t *expr); 76 static var_t *declare_var(attr_list_t *attrs, decl_spec_t *decl_spec, const declarator_t *decl, int top); 77 static var_list_t *set_var_types(attr_list_t *attrs, decl_spec_t *decl_spec, declarator_list_t *decls); 78 static ifref_list_t *append_ifref(ifref_list_t *list, ifref_t *iface); 79 static ifref_t *make_ifref(type_t *iface); 80 static var_list_t *append_var_list(var_list_t *list, var_list_t *vars); 81 static declarator_list_t *append_declarator(declarator_list_t *list, declarator_t *p); 82 static declarator_t *make_declarator(var_t *var); 83 static type_t *make_safearray(type_t *type); 84 static typelib_t *make_library(const char *name, const attr_list_t *attrs); 85 static type_t *append_ptrchain_type(type_t *ptrchain, type_t *type); 86 static warning_list_t *append_warning(warning_list_t *, int); 87 88 static type_t *reg_typedefs(decl_spec_t *decl_spec, var_list_t *names, attr_list_t *attrs); 89 static type_t *find_type_or_error(const char *name, int t); 90 static type_t *find_type_or_error2(char *name, int t); 91 92 static var_t *reg_const(var_t *var); 93 94 static void push_namespace(const char *name); 95 static void pop_namespace(const char *name); 96 97 static char *gen_name(void); 98 static void check_arg_attrs(const var_t *arg); 99 static void check_statements(const statement_list_t *stmts, int is_inside_library); 100 static void check_all_user_types(const statement_list_t *stmts); 101 static attr_list_t *check_iface_attrs(const char *name, attr_list_t *attrs); 102 static attr_list_t *check_function_attrs(const char *name, attr_list_t *attrs); 103 static attr_list_t *check_typedef_attrs(attr_list_t *attrs); 104 static attr_list_t *check_enum_attrs(attr_list_t *attrs); 105 static attr_list_t *check_struct_attrs(attr_list_t *attrs); 106 static attr_list_t *check_union_attrs(attr_list_t *attrs); 107 static attr_list_t *check_field_attrs(const char *name, attr_list_t *attrs); 108 static attr_list_t *check_library_attrs(const char *name, attr_list_t *attrs); 109 static attr_list_t *check_dispiface_attrs(const char *name, attr_list_t *attrs); 110 static attr_list_t *check_module_attrs(const char *name, attr_list_t *attrs); 111 static attr_list_t *check_coclass_attrs(const char *name, attr_list_t *attrs); 112 const char *get_attr_display_name(enum attr_type type); 113 static void add_explicit_handle_if_necessary(const type_t *iface, var_t *func); 114 static void check_def(const type_t *t); 115 116 static statement_t *make_statement(enum statement_type type); 117 static statement_t *make_statement_type_decl(type_t *type); 118 static statement_t *make_statement_reference(type_t *type); 119 static statement_t *make_statement_declaration(var_t *var); 120 static statement_t *make_statement_library(typelib_t *typelib); 121 static statement_t *make_statement_pragma(const char *str); 122 static statement_t *make_statement_cppquote(const char *str); 123 static statement_t *make_statement_importlib(const char *str); 124 static statement_t *make_statement_module(type_t *type); 125 static statement_t *make_statement_typedef(var_list_t *names); 126 static statement_t *make_statement_import(const char *str); 127 static statement_list_t *append_statement(statement_list_t *list, statement_t *stmt); 128 static statement_list_t *append_statements(statement_list_t *, statement_list_t *); 129 static attr_list_t *append_attribs(attr_list_t *, attr_list_t *); 130 131 static struct namespace global_namespace = { 132 NULL, NULL, LIST_INIT(global_namespace.entry), LIST_INIT(global_namespace.children) 133 }; 134 135 static struct namespace *current_namespace = &global_namespace; 136 137 %} 138 %union { 139 attr_t *attr; 140 attr_list_t *attr_list; 141 str_list_t *str_list; 142 expr_t *expr; 143 expr_list_t *expr_list; 144 array_dims_t *array_dims; 145 type_t *type; 146 var_t *var; 147 var_list_t *var_list; 148 declarator_t *declarator; 149 declarator_list_t *declarator_list; 150 statement_t *statement; 151 statement_list_t *stmt_list; 152 warning_t *warning; 153 warning_list_t *warning_list; 154 ifref_t *ifref; 155 ifref_list_t *ifref_list; 156 char *str; 157 UUID *uuid; 158 unsigned int num; 159 double dbl; 160 interface_info_t ifinfo; 161 typelib_t *typelib; 162 struct _import_t *import; 163 struct _decl_spec_t *declspec; 164 enum storage_class stgclass; 165 } 166 167 %token <str> aIDENTIFIER aPRAGMA 168 %token <str> aKNOWNTYPE 169 %token <num> aNUM aHEXNUM 170 %token <dbl> aDOUBLE 171 %token <str> aSTRING aWSTRING aSQSTRING 172 %token <uuid> aUUID 173 %token aEOF 174 %token SHL SHR 175 %token MEMBERPTR 176 %token EQUALITY INEQUALITY 177 %token GREATEREQUAL LESSEQUAL 178 %token LOGICALOR LOGICALAND 179 %token ELLIPSIS 180 %token tAGGREGATABLE tALLOCATE tANNOTATION tAPPOBJECT tASYNC tASYNCUUID 181 %token tAUTOHANDLE tBINDABLE tBOOLEAN tBROADCAST tBYTE tBYTECOUNT 182 %token tCALLAS tCALLBACK tCASE tCDECL tCHAR tCOCLASS tCODE tCOMMSTATUS 183 %token tCONST tCONTEXTHANDLE tCONTEXTHANDLENOSERIALIZE 184 %token tCONTEXTHANDLESERIALIZE tCONTROL tCPPQUOTE 185 %token tDECODE tDEFAULT tDEFAULTBIND 186 %token tDEFAULTCOLLELEM 187 %token tDEFAULTVALUE 188 %token tDEFAULTVTABLE 189 %token tDISABLECONSISTENCYCHECK tDISPLAYBIND 190 %token tDISPINTERFACE 191 %token tDLLNAME tDOUBLE tDUAL 192 %token tENABLEALLOCATE tENCODE tENDPOINT 193 %token tENTRY tENUM tERRORSTATUST 194 %token tEXPLICITHANDLE tEXTERN 195 %token tFALSE 196 %token tFASTCALL tFAULTSTATUS 197 %token tFLOAT tFORCEALLOCATE 198 %token tHANDLE 199 %token tHANDLET 200 %token tHELPCONTEXT tHELPFILE 201 %token tHELPSTRING tHELPSTRINGCONTEXT tHELPSTRINGDLL 202 %token tHIDDEN 203 %token tHYPER tID tIDEMPOTENT 204 %token tIGNORE tIIDIS 205 %token tIMMEDIATEBIND 206 %token tIMPLICITHANDLE 207 %token tIMPORT tIMPORTLIB 208 %token tIN tIN_LINE tINLINE 209 %token tINPUTSYNC 210 %token tINT tINT3264 tINT64 211 %token tINTERFACE 212 %token tLCID 213 %token tLENGTHIS tLIBRARY 214 %token tLICENSED tLOCAL 215 %token tLONG 216 %token tMAYBE tMESSAGE 217 %token tMETHODS 218 %token tMODULE 219 %token tNAMESPACE 220 %token tNOCODE tNONBROWSABLE 221 %token tNONCREATABLE 222 %token tNONEXTENSIBLE 223 %token tNOTIFY tNOTIFYFLAG 224 %token tNULL 225 %token tOBJECT tODL tOLEAUTOMATION 226 %token tOPTIMIZE tOPTIONAL 227 %token tOUT 228 %token tPARTIALIGNORE tPASCAL 229 %token tPOINTERDEFAULT 230 %token tPRAGMA_WARNING 231 %token tPROGID tPROPERTIES 232 %token tPROPGET tPROPPUT tPROPPUTREF 233 %token tPROXY tPTR 234 %token tPUBLIC 235 %token tRANGE 236 %token tREADONLY tREF 237 %token tREGISTER tREPRESENTAS 238 %token tREQUESTEDIT 239 %token tRESTRICTED 240 %token tRETVAL 241 %token tSAFEARRAY 242 %token tSHORT 243 %token tSIGNED 244 %token tSIZEIS tSIZEOF 245 %token tSMALL 246 %token tSOURCE 247 %token tSTATIC 248 %token tSTDCALL 249 %token tSTRICTCONTEXTHANDLE 250 %token tSTRING tSTRUCT 251 %token tSWITCH tSWITCHIS tSWITCHTYPE 252 %token tTHREADING tTRANSMITAS 253 %token tTRUE 254 %token tTYPEDEF 255 %token tUIDEFAULT tUNION 256 %token tUNIQUE 257 %token tUNSIGNED 258 %token tUSESGETLASTERROR tUSERMARSHAL tUUID 259 %token tV1ENUM 260 %token tVARARG 261 %token tVERSION tVIPROGID 262 %token tVOID 263 %token tWCHAR tWIREMARSHAL 264 %token tAPARTMENT tNEUTRAL tSINGLE tFREE tBOTH 265 266 %type <attr> attribute type_qualifier function_specifier 267 %type <attr_list> m_attributes attributes attrib_list m_type_qual_list 268 %type <str_list> str_list 269 %type <expr> m_expr expr expr_const expr_int_const array m_bitfield 270 %type <expr_list> m_exprs /* exprs expr_list */ expr_list_int_const 271 %type <ifinfo> interfacehdr 272 %type <stgclass> storage_cls_spec 273 %type <declspec> decl_spec decl_spec_no_type m_decl_spec_no_type 274 %type <type> inherit interface interfacedef interfacedec 275 %type <type> dispinterface dispinterfacehdr dispinterfacedef 276 %type <type> module modulehdr moduledef 277 %type <str> namespacedef 278 %type <type> base_type int_std 279 %type <type> enumdef structdef uniondef typedecl 280 %type <type> type 281 %type <ifref> coclass_int 282 %type <ifref_list> coclass_ints 283 %type <var> arg ne_union_field union_field s_field case enum declaration 284 %type <var> funcdef 285 %type <var_list> m_args arg_list args dispint_meths 286 %type <var_list> fields ne_union_fields cases enums enum_list dispint_props field 287 %type <var> m_ident ident 288 %type <declarator> declarator direct_declarator init_declarator struct_declarator 289 %type <declarator> m_any_declarator any_declarator any_declarator_no_direct any_direct_declarator 290 %type <declarator> m_abstract_declarator abstract_declarator abstract_declarator_no_direct abstract_direct_declarator 291 %type <declarator_list> declarator_list struct_declarator_list 292 %type <type> coclass coclasshdr coclassdef 293 %type <num> pointer_type threading_type version 294 %type <str> libraryhdr callconv cppquote importlib import t_ident 295 %type <uuid> uuid_string 296 %type <import> import_start 297 %type <typelib> library_start librarydef 298 %type <statement> statement typedef pragma_warning 299 %type <stmt_list> gbl_statements imp_statements int_statements 300 %type <warning_list> warnings 301 302 %left ',' 303 %right '?' ':' 304 %left LOGICALOR 305 %left LOGICALAND 306 %left '|' 307 %left '^' 308 %left '&' 309 %left EQUALITY INEQUALITY 310 %left '<' '>' LESSEQUAL GREATEREQUAL 311 %left SHL SHR 312 %left '-' '+' 313 %left '*' '/' '%' 314 %right '!' '~' CAST PPTR POS NEG ADDRESSOF tSIZEOF 315 %left '.' MEMBERPTR '[' ']' 316 317 %error-verbose 318 319 %% 320 321 input: gbl_statements { fix_incomplete(); 322 check_statements($1, FALSE); 323 check_all_user_types($1); 324 write_header($1); 325 write_id_data($1); 326 write_proxies($1); 327 write_client($1); 328 write_server($1); 329 write_regscript($1); 330 write_dlldata($1); 331 write_local_stubs($1); 332 } 333 ; 334 335 gbl_statements: { $$ = NULL; } 336 | gbl_statements namespacedef '{' { push_namespace($2); } gbl_statements '}' 337 { pop_namespace($2); $$ = append_statements($1, $5); } 338 | gbl_statements interfacedec { $$ = append_statement($1, make_statement_reference($2)); } 339 | gbl_statements interfacedef { $$ = append_statement($1, make_statement_type_decl($2)); } 340 | gbl_statements coclass ';' { $$ = $1; 341 reg_type($2, $2->name, current_namespace, 0); 342 } 343 | gbl_statements coclassdef { $$ = append_statement($1, make_statement_type_decl($2)); 344 reg_type($2, $2->name, current_namespace, 0); 345 } 346 | gbl_statements moduledef { $$ = append_statement($1, make_statement_module($2)); } 347 | gbl_statements librarydef { $$ = append_statement($1, make_statement_library($2)); } 348 | gbl_statements statement { $$ = append_statement($1, $2); } 349 ; 350 351 imp_statements: { $$ = NULL; } 352 | imp_statements interfacedec { $$ = append_statement($1, make_statement_reference($2)); } 353 | imp_statements namespacedef '{' { push_namespace($2); } imp_statements '}' 354 { pop_namespace($2); $$ = append_statements($1, $5); } 355 | imp_statements interfacedef { $$ = append_statement($1, make_statement_type_decl($2)); } 356 | imp_statements coclass ';' { $$ = $1; reg_type($2, $2->name, current_namespace, 0); } 357 | imp_statements coclassdef { $$ = append_statement($1, make_statement_type_decl($2)); 358 reg_type($2, $2->name, current_namespace, 0); 359 } 360 | imp_statements moduledef { $$ = append_statement($1, make_statement_module($2)); } 361 | imp_statements statement { $$ = append_statement($1, $2); } 362 | imp_statements importlib { $$ = append_statement($1, make_statement_importlib($2)); } 363 | imp_statements librarydef { $$ = append_statement($1, make_statement_library($2)); } 364 ; 365 366 int_statements: { $$ = NULL; } 367 | int_statements statement { $$ = append_statement($1, $2); } 368 ; 369 370 semicolon_opt: 371 | ';' 372 ; 373 374 statement: 375 cppquote { $$ = make_statement_cppquote($1); } 376 | typedecl ';' { $$ = make_statement_type_decl($1); } 377 | declaration ';' { $$ = make_statement_declaration($1); } 378 | import { $$ = make_statement_import($1); } 379 | typedef ';' { $$ = $1; } 380 | aPRAGMA { $$ = make_statement_pragma($1); } 381 | pragma_warning { $$ = NULL; } 382 ; 383 384 pragma_warning: tPRAGMA_WARNING '(' aIDENTIFIER ':' warnings ')' 385 { 386 int result; 387 $$ = NULL; 388 result = do_warning($3, $5); 389 if(!result) 390 error_loc("expected \"disable\" or \"enable\"\n"); 391 } 392 ; 393 394 warnings: 395 aNUM { $$ = append_warning(NULL, $1); } 396 | warnings aNUM { $$ = append_warning($1, $2); } 397 ; 398 399 typedecl: 400 enumdef 401 | tENUM aIDENTIFIER { $$ = type_new_enum($2, current_namespace, FALSE, NULL); } 402 | structdef 403 | tSTRUCT aIDENTIFIER { $$ = type_new_struct($2, current_namespace, FALSE, NULL); } 404 | uniondef 405 | tUNION aIDENTIFIER { $$ = type_new_nonencapsulated_union($2, FALSE, NULL); } 406 | attributes enumdef { $$ = $2; $$->attrs = check_enum_attrs($1); } 407 | attributes structdef { $$ = $2; $$->attrs = check_struct_attrs($1); } 408 | attributes uniondef { $$ = $2; $$->attrs = check_union_attrs($1); } 409 ; 410 411 cppquote: tCPPQUOTE '(' aSTRING ')' { $$ = $3; } 412 ; 413 import_start: tIMPORT aSTRING ';' { assert(yychar == YYEMPTY); 414 $$ = xmalloc(sizeof(struct _import_t)); 415 $$->name = $2; 416 $$->import_performed = do_import($2); 417 if (!$$->import_performed) yychar = aEOF; 418 } 419 ; 420 421 import: import_start imp_statements aEOF { $$ = $1->name; 422 if ($1->import_performed) pop_import(); 423 free($1); 424 } 425 ; 426 427 importlib: tIMPORTLIB '(' aSTRING ')' 428 semicolon_opt { $$ = $3; if(!parse_only) add_importlib($3); } 429 ; 430 431 libraryhdr: tLIBRARY aIDENTIFIER { $$ = $2; } 432 | tLIBRARY aKNOWNTYPE { $$ = $2; } 433 ; 434 library_start: attributes libraryhdr '{' { $$ = make_library($2, check_library_attrs($2, $1)); 435 if (!parse_only) start_typelib($$); 436 } 437 ; 438 librarydef: library_start imp_statements '}' 439 semicolon_opt { $$ = $1; 440 $$->stmts = $2; 441 if (!parse_only) end_typelib(); 442 } 443 ; 444 445 m_args: { $$ = NULL; } 446 | args 447 ; 448 449 arg_list: arg { check_arg_attrs($1); $$ = append_var( NULL, $1 ); } 450 | arg_list ',' arg { check_arg_attrs($3); $$ = append_var( $1, $3 ); } 451 ; 452 453 args: arg_list 454 | arg_list ',' ELLIPSIS { $$ = append_var( $1, make_var(strdup("...")) ); } 455 ; 456 457 /* split into two rules to get bison to resolve a tVOID conflict */ 458 arg: attributes decl_spec m_any_declarator { if ($2->stgclass != STG_NONE && $2->stgclass != STG_REGISTER) 459 error_loc("invalid storage class for function parameter\n"); 460 $$ = declare_var($1, $2, $3, TRUE); 461 free($2); free($3); 462 } 463 | decl_spec m_any_declarator { if ($1->stgclass != STG_NONE && $1->stgclass != STG_REGISTER) 464 error_loc("invalid storage class for function parameter\n"); 465 $$ = declare_var(NULL, $1, $2, TRUE); 466 free($1); free($2); 467 } 468 ; 469 470 array: '[' expr ']' { $$ = $2; 471 if (!$$->is_const) 472 error_loc("array dimension is not an integer constant\n"); 473 } 474 | '[' '*' ']' { $$ = make_expr(EXPR_VOID); } 475 | '[' ']' { $$ = make_expr(EXPR_VOID); } 476 ; 477 478 m_attributes: { $$ = NULL; } 479 | attributes 480 ; 481 482 attributes: 483 '[' attrib_list ']' { $$ = $2; } 484 ; 485 486 attrib_list: attribute { $$ = append_attr( NULL, $1 ); } 487 | attrib_list ',' attribute { $$ = append_attr( $1, $3 ); } 488 | attrib_list ']' '[' attribute { $$ = append_attr( $1, $4 ); } 489 ; 490 491 str_list: aSTRING { $$ = append_str( NULL, $1 ); } 492 | str_list ',' aSTRING { $$ = append_str( $1, $3 ); } 493 ; 494 495 attribute: { $$ = NULL; } 496 | tAGGREGATABLE { $$ = make_attr(ATTR_AGGREGATABLE); } 497 | tANNOTATION '(' aSTRING ')' { $$ = make_attrp(ATTR_ANNOTATION, $3); } 498 | tAPPOBJECT { $$ = make_attr(ATTR_APPOBJECT); } 499 | tASYNC { $$ = make_attr(ATTR_ASYNC); } 500 | tAUTOHANDLE { $$ = make_attr(ATTR_AUTO_HANDLE); } 501 | tBINDABLE { $$ = make_attr(ATTR_BINDABLE); } 502 | tBROADCAST { $$ = make_attr(ATTR_BROADCAST); } 503 | tCALLAS '(' ident ')' { $$ = make_attrp(ATTR_CALLAS, $3); } 504 | tCASE '(' expr_list_int_const ')' { $$ = make_attrp(ATTR_CASE, $3); } 505 | tCODE { $$ = make_attr(ATTR_CODE); } 506 | tCOMMSTATUS { $$ = make_attr(ATTR_COMMSTATUS); } 507 | tCONTEXTHANDLE { $$ = make_attrv(ATTR_CONTEXTHANDLE, 0); } 508 | tCONTEXTHANDLENOSERIALIZE { $$ = make_attrv(ATTR_CONTEXTHANDLE, 0); /* RPC_CONTEXT_HANDLE_DONT_SERIALIZE */ } 509 | tCONTEXTHANDLESERIALIZE { $$ = make_attrv(ATTR_CONTEXTHANDLE, 0); /* RPC_CONTEXT_HANDLE_SERIALIZE */ } 510 | tCONTROL { $$ = make_attr(ATTR_CONTROL); } 511 | tDECODE { $$ = make_attr(ATTR_DECODE); } 512 | tDEFAULT { $$ = make_attr(ATTR_DEFAULT); } 513 | tDEFAULTBIND { $$ = make_attr(ATTR_DEFAULTBIND); } 514 | tDEFAULTCOLLELEM { $$ = make_attr(ATTR_DEFAULTCOLLELEM); } 515 | tDEFAULTVALUE '(' expr_const ')' { $$ = make_attrp(ATTR_DEFAULTVALUE, $3); } 516 | tDEFAULTVTABLE { $$ = make_attr(ATTR_DEFAULTVTABLE); } 517 | tDISABLECONSISTENCYCHECK { $$ = make_attr(ATTR_DISABLECONSISTENCYCHECK); } 518 | tDISPLAYBIND { $$ = make_attr(ATTR_DISPLAYBIND); } 519 | tDLLNAME '(' aSTRING ')' { $$ = make_attrp(ATTR_DLLNAME, $3); } 520 | tDUAL { $$ = make_attr(ATTR_DUAL); } 521 | tENABLEALLOCATE { $$ = make_attr(ATTR_ENABLEALLOCATE); } 522 | tENCODE { $$ = make_attr(ATTR_ENCODE); } 523 | tENDPOINT '(' str_list ')' { $$ = make_attrp(ATTR_ENDPOINT, $3); } 524 | tENTRY '(' expr_const ')' { $$ = make_attrp(ATTR_ENTRY, $3); } 525 | tEXPLICITHANDLE { $$ = make_attr(ATTR_EXPLICIT_HANDLE); } 526 | tFAULTSTATUS { $$ = make_attr(ATTR_FAULTSTATUS); } 527 | tFORCEALLOCATE { $$ = make_attr(ATTR_FORCEALLOCATE); } 528 | tHANDLE { $$ = make_attr(ATTR_HANDLE); } 529 | tHELPCONTEXT '(' expr_int_const ')' { $$ = make_attrp(ATTR_HELPCONTEXT, $3); } 530 | tHELPFILE '(' aSTRING ')' { $$ = make_attrp(ATTR_HELPFILE, $3); } 531 | tHELPSTRING '(' aSTRING ')' { $$ = make_attrp(ATTR_HELPSTRING, $3); } 532 | tHELPSTRINGCONTEXT '(' expr_int_const ')' { $$ = make_attrp(ATTR_HELPSTRINGCONTEXT, $3); } 533 | tHELPSTRINGDLL '(' aSTRING ')' { $$ = make_attrp(ATTR_HELPSTRINGDLL, $3); } 534 | tHIDDEN { $$ = make_attr(ATTR_HIDDEN); } 535 | tID '(' expr_int_const ')' { $$ = make_attrp(ATTR_ID, $3); } 536 | tIDEMPOTENT { $$ = make_attr(ATTR_IDEMPOTENT); } 537 | tIGNORE { $$ = make_attr(ATTR_IGNORE); } 538 | tIIDIS '(' expr ')' { $$ = make_attrp(ATTR_IIDIS, $3); } 539 | tIMMEDIATEBIND { $$ = make_attr(ATTR_IMMEDIATEBIND); } 540 | tIMPLICITHANDLE '(' arg ')' { $$ = make_attrp(ATTR_IMPLICIT_HANDLE, $3); } 541 | tIN { $$ = make_attr(ATTR_IN); } 542 | tINPUTSYNC { $$ = make_attr(ATTR_INPUTSYNC); } 543 | tLENGTHIS '(' m_exprs ')' { $$ = make_attrp(ATTR_LENGTHIS, $3); } 544 | tLCID '(' expr_int_const ')' { $$ = make_attrp(ATTR_LIBLCID, $3); } 545 | tLCID { $$ = make_attr(ATTR_PARAMLCID); } 546 | tLICENSED { $$ = make_attr(ATTR_LICENSED); } 547 | tLOCAL { $$ = make_attr(ATTR_LOCAL); } 548 | tMAYBE { $$ = make_attr(ATTR_MAYBE); } 549 | tMESSAGE { $$ = make_attr(ATTR_MESSAGE); } 550 | tNOCODE { $$ = make_attr(ATTR_NOCODE); } 551 | tNONBROWSABLE { $$ = make_attr(ATTR_NONBROWSABLE); } 552 | tNONCREATABLE { $$ = make_attr(ATTR_NONCREATABLE); } 553 | tNONEXTENSIBLE { $$ = make_attr(ATTR_NONEXTENSIBLE); } 554 | tNOTIFY { $$ = make_attr(ATTR_NOTIFY); } 555 | tNOTIFYFLAG { $$ = make_attr(ATTR_NOTIFYFLAG); } 556 | tOBJECT { $$ = make_attr(ATTR_OBJECT); } 557 | tODL { $$ = make_attr(ATTR_ODL); } 558 | tOLEAUTOMATION { $$ = make_attr(ATTR_OLEAUTOMATION); } 559 | tOPTIMIZE '(' aSTRING ')' { $$ = make_attrp(ATTR_OPTIMIZE, $3); } 560 | tOPTIONAL { $$ = make_attr(ATTR_OPTIONAL); } 561 | tOUT { $$ = make_attr(ATTR_OUT); } 562 | tPARTIALIGNORE { $$ = make_attr(ATTR_PARTIALIGNORE); } 563 | tPOINTERDEFAULT '(' pointer_type ')' { $$ = make_attrv(ATTR_POINTERDEFAULT, $3); } 564 | tPROGID '(' aSTRING ')' { $$ = make_attrp(ATTR_PROGID, $3); } 565 | tPROPGET { $$ = make_attr(ATTR_PROPGET); } 566 | tPROPPUT { $$ = make_attr(ATTR_PROPPUT); } 567 | tPROPPUTREF { $$ = make_attr(ATTR_PROPPUTREF); } 568 | tPROXY { $$ = make_attr(ATTR_PROXY); } 569 | tPUBLIC { $$ = make_attr(ATTR_PUBLIC); } 570 | tRANGE '(' expr_int_const ',' expr_int_const ')' 571 { expr_list_t *list = append_expr( NULL, $3 ); 572 list = append_expr( list, $5 ); 573 $$ = make_attrp(ATTR_RANGE, list); } 574 | tREADONLY { $$ = make_attr(ATTR_READONLY); } 575 | tREPRESENTAS '(' type ')' { $$ = make_attrp(ATTR_REPRESENTAS, $3); } 576 | tREQUESTEDIT { $$ = make_attr(ATTR_REQUESTEDIT); } 577 | tRESTRICTED { $$ = make_attr(ATTR_RESTRICTED); } 578 | tRETVAL { $$ = make_attr(ATTR_RETVAL); } 579 | tSIZEIS '(' m_exprs ')' { $$ = make_attrp(ATTR_SIZEIS, $3); } 580 | tSOURCE { $$ = make_attr(ATTR_SOURCE); } 581 | tSTRICTCONTEXTHANDLE { $$ = make_attr(ATTR_STRICTCONTEXTHANDLE); } 582 | tSTRING { $$ = make_attr(ATTR_STRING); } 583 | tSWITCHIS '(' expr ')' { $$ = make_attrp(ATTR_SWITCHIS, $3); } 584 | tSWITCHTYPE '(' type ')' { $$ = make_attrp(ATTR_SWITCHTYPE, $3); } 585 | tTRANSMITAS '(' type ')' { $$ = make_attrp(ATTR_TRANSMITAS, $3); } 586 | tTHREADING '(' threading_type ')' { $$ = make_attrv(ATTR_THREADING, $3); } 587 | tUIDEFAULT { $$ = make_attr(ATTR_UIDEFAULT); } 588 | tUSESGETLASTERROR { $$ = make_attr(ATTR_USESGETLASTERROR); } 589 | tUSERMARSHAL '(' type ')' { $$ = make_attrp(ATTR_USERMARSHAL, $3); } 590 | tUUID '(' uuid_string ')' { $$ = make_attrp(ATTR_UUID, $3); } 591 | tASYNCUUID '(' uuid_string ')' { $$ = make_attrp(ATTR_ASYNCUUID, $3); } 592 | tV1ENUM { $$ = make_attr(ATTR_V1ENUM); } 593 | tVARARG { $$ = make_attr(ATTR_VARARG); } 594 | tVERSION '(' version ')' { $$ = make_attrv(ATTR_VERSION, $3); } 595 | tVIPROGID '(' aSTRING ')' { $$ = make_attrp(ATTR_VIPROGID, $3); } 596 | tWIREMARSHAL '(' type ')' { $$ = make_attrp(ATTR_WIREMARSHAL, $3); } 597 | pointer_type { $$ = make_attrv(ATTR_POINTERTYPE, $1); } 598 ; 599 600 uuid_string: 601 aUUID 602 | aSTRING { if (!is_valid_uuid($1)) 603 error_loc("invalid UUID: %s\n", $1); 604 $$ = parse_uuid($1); } 605 ; 606 607 callconv: tCDECL { $$ = xstrdup("__cdecl"); } 608 | tFASTCALL { $$ = xstrdup("__fastcall"); } 609 | tPASCAL { $$ = xstrdup("__pascal"); } 610 | tSTDCALL { $$ = xstrdup("__stdcall"); } 611 ; 612 613 cases: { $$ = NULL; } 614 | cases case { $$ = append_var( $1, $2 ); } 615 ; 616 617 case: tCASE expr_int_const ':' union_field { attr_t *a = make_attrp(ATTR_CASE, append_expr( NULL, $2 )); 618 $$ = $4; if (!$$) $$ = make_var(NULL); 619 $$->attrs = append_attr( $$->attrs, a ); 620 } 621 | tDEFAULT ':' union_field { attr_t *a = make_attr(ATTR_DEFAULT); 622 $$ = $3; if (!$$) $$ = make_var(NULL); 623 $$->attrs = append_attr( $$->attrs, a ); 624 } 625 ; 626 627 enums: { $$ = NULL; } 628 | enum_list ',' { $$ = $1; } 629 | enum_list 630 ; 631 632 enum_list: enum { if (!$1->eval) 633 $1->eval = make_exprl(EXPR_NUM, 0 /* default for first enum entry */); 634 $$ = append_var( NULL, $1 ); 635 } 636 | enum_list ',' enum { if (!$3->eval) 637 { 638 var_t *last = LIST_ENTRY( list_tail($$), var_t, entry ); 639 enum expr_type type = EXPR_NUM; 640 if (last->eval->type == EXPR_HEXNUM) type = EXPR_HEXNUM; 641 if (last->eval->cval + 1 < 0) type = EXPR_HEXNUM; 642 $3->eval = make_exprl(type, last->eval->cval + 1); 643 } 644 $$ = append_var( $1, $3 ); 645 } 646 ; 647 648 enum: ident '=' expr_int_const { $$ = reg_const($1); 649 $$->eval = $3; 650 $$->type = type_new_int(TYPE_BASIC_INT, 0); 651 } 652 | ident { $$ = reg_const($1); 653 $$->type = type_new_int(TYPE_BASIC_INT, 0); 654 } 655 ; 656 657 enumdef: tENUM t_ident '{' enums '}' { $$ = type_new_enum($2, current_namespace, TRUE, $4); } 658 ; 659 660 m_exprs: m_expr { $$ = append_expr( NULL, $1 ); } 661 | m_exprs ',' m_expr { $$ = append_expr( $1, $3 ); } 662 ; 663 664 m_expr: { $$ = make_expr(EXPR_VOID); } 665 | expr 666 ; 667 668 expr: aNUM { $$ = make_exprl(EXPR_NUM, $1); } 669 | aHEXNUM { $$ = make_exprl(EXPR_HEXNUM, $1); } 670 | aDOUBLE { $$ = make_exprd(EXPR_DOUBLE, $1); } 671 | tFALSE { $$ = make_exprl(EXPR_TRUEFALSE, 0); } 672 | tNULL { $$ = make_exprl(EXPR_NUM, 0); } 673 | tTRUE { $$ = make_exprl(EXPR_TRUEFALSE, 1); } 674 | aSTRING { $$ = make_exprs(EXPR_STRLIT, $1); } 675 | aWSTRING { $$ = make_exprs(EXPR_WSTRLIT, $1); } 676 | aSQSTRING { $$ = make_exprs(EXPR_CHARCONST, $1); } 677 | aIDENTIFIER { $$ = make_exprs(EXPR_IDENTIFIER, $1); } 678 | expr '?' expr ':' expr { $$ = make_expr3(EXPR_COND, $1, $3, $5); } 679 | expr LOGICALOR expr { $$ = make_expr2(EXPR_LOGOR, $1, $3); } 680 | expr LOGICALAND expr { $$ = make_expr2(EXPR_LOGAND, $1, $3); } 681 | expr '|' expr { $$ = make_expr2(EXPR_OR , $1, $3); } 682 | expr '^' expr { $$ = make_expr2(EXPR_XOR, $1, $3); } 683 | expr '&' expr { $$ = make_expr2(EXPR_AND, $1, $3); } 684 | expr EQUALITY expr { $$ = make_expr2(EXPR_EQUALITY, $1, $3); } 685 | expr INEQUALITY expr { $$ = make_expr2(EXPR_INEQUALITY, $1, $3); } 686 | expr '>' expr { $$ = make_expr2(EXPR_GTR, $1, $3); } 687 | expr '<' expr { $$ = make_expr2(EXPR_LESS, $1, $3); } 688 | expr GREATEREQUAL expr { $$ = make_expr2(EXPR_GTREQL, $1, $3); } 689 | expr LESSEQUAL expr { $$ = make_expr2(EXPR_LESSEQL, $1, $3); } 690 | expr SHL expr { $$ = make_expr2(EXPR_SHL, $1, $3); } 691 | expr SHR expr { $$ = make_expr2(EXPR_SHR, $1, $3); } 692 | expr '+' expr { $$ = make_expr2(EXPR_ADD, $1, $3); } 693 | expr '-' expr { $$ = make_expr2(EXPR_SUB, $1, $3); } 694 | expr '%' expr { $$ = make_expr2(EXPR_MOD, $1, $3); } 695 | expr '*' expr { $$ = make_expr2(EXPR_MUL, $1, $3); } 696 | expr '/' expr { $$ = make_expr2(EXPR_DIV, $1, $3); } 697 | '!' expr { $$ = make_expr1(EXPR_LOGNOT, $2); } 698 | '~' expr { $$ = make_expr1(EXPR_NOT, $2); } 699 | '+' expr %prec POS { $$ = make_expr1(EXPR_POS, $2); } 700 | '-' expr %prec NEG { $$ = make_expr1(EXPR_NEG, $2); } 701 | '&' expr %prec ADDRESSOF { $$ = make_expr1(EXPR_ADDRESSOF, $2); } 702 | '*' expr %prec PPTR { $$ = make_expr1(EXPR_PPTR, $2); } 703 | expr MEMBERPTR aIDENTIFIER { $$ = make_expr2(EXPR_MEMBER, make_expr1(EXPR_PPTR, $1), make_exprs(EXPR_IDENTIFIER, $3)); } 704 | expr '.' aIDENTIFIER { $$ = make_expr2(EXPR_MEMBER, $1, make_exprs(EXPR_IDENTIFIER, $3)); } 705 | '(' decl_spec m_abstract_declarator ')' expr %prec CAST 706 { $$ = make_exprt(EXPR_CAST, declare_var(NULL, $2, $3, 0), $5); free($2); free($3); } 707 | tSIZEOF '(' decl_spec m_abstract_declarator ')' 708 { $$ = make_exprt(EXPR_SIZEOF, declare_var(NULL, $3, $4, 0), NULL); free($3); free($4); } 709 | expr '[' expr ']' { $$ = make_expr2(EXPR_ARRAY, $1, $3); } 710 | '(' expr ')' { $$ = $2; } 711 ; 712 713 expr_list_int_const: expr_int_const { $$ = append_expr( NULL, $1 ); } 714 | expr_list_int_const ',' expr_int_const { $$ = append_expr( $1, $3 ); } 715 ; 716 717 expr_int_const: expr { $$ = $1; 718 if (!$$->is_const) 719 error_loc("expression is not an integer constant\n"); 720 } 721 ; 722 723 expr_const: expr { $$ = $1; 724 if (!$$->is_const && $$->type != EXPR_STRLIT && $$->type != EXPR_WSTRLIT) 725 error_loc("expression is not constant\n"); 726 } 727 ; 728 729 fields: { $$ = NULL; } 730 | fields field { $$ = append_var_list($1, $2); } 731 ; 732 733 field: m_attributes decl_spec struct_declarator_list ';' 734 { const char *first = LIST_ENTRY(list_head($3), declarator_t, entry)->var->name; 735 check_field_attrs(first, $1); 736 $$ = set_var_types($1, $2, $3); 737 } 738 | m_attributes uniondef ';' { var_t *v = make_var(NULL); 739 v->type = $2; v->attrs = $1; 740 $$ = append_var(NULL, v); 741 } 742 ; 743 744 ne_union_field: 745 s_field ';' { $$ = $1; } 746 | attributes ';' { $$ = make_var(NULL); $$->attrs = $1; } 747 ; 748 749 ne_union_fields: { $$ = NULL; } 750 | ne_union_fields ne_union_field { $$ = append_var( $1, $2 ); } 751 ; 752 753 union_field: 754 s_field ';' { $$ = $1; } 755 | ';' { $$ = NULL; } 756 ; 757 758 s_field: m_attributes decl_spec declarator { $$ = declare_var(check_field_attrs($3->var->name, $1), 759 $2, $3, FALSE); 760 free($3); 761 } 762 | m_attributes structdef { var_t *v = make_var(NULL); 763 v->type = $2; v->attrs = $1; 764 $$ = v; 765 } 766 ; 767 768 funcdef: declaration { $$ = $1; 769 if (type_get_type($$->type) != TYPE_FUNCTION) 770 error_loc("only methods may be declared inside the methods section of a dispinterface\n"); 771 check_function_attrs($$->name, $$->attrs); 772 } 773 ; 774 775 declaration: 776 attributes decl_spec init_declarator 777 { $$ = declare_var($1, $2, $3, FALSE); 778 free($3); 779 } 780 | decl_spec init_declarator { $$ = declare_var(NULL, $1, $2, FALSE); 781 free($2); 782 } 783 ; 784 785 m_ident: { $$ = NULL; } 786 | ident 787 ; 788 789 t_ident: { $$ = NULL; } 790 | aIDENTIFIER { $$ = $1; } 791 | aKNOWNTYPE { $$ = $1; } 792 ; 793 794 ident: aIDENTIFIER { $$ = make_var($1); } 795 /* some "reserved words" used in attributes are also used as field names in some MS IDL files */ 796 | aKNOWNTYPE { $$ = make_var($<str>1); } 797 ; 798 799 base_type: tBYTE { $$ = find_type_or_error($<str>1, 0); } 800 | tWCHAR { $$ = find_type_or_error($<str>1, 0); } 801 | int_std 802 | tSIGNED int_std { $$ = type_new_int(type_basic_get_type($2), -1); } 803 | tUNSIGNED int_std { $$ = type_new_int(type_basic_get_type($2), 1); } 804 | tUNSIGNED { $$ = type_new_int(TYPE_BASIC_INT, 1); } 805 | tFLOAT { $$ = find_type_or_error($<str>1, 0); } 806 | tDOUBLE { $$ = find_type_or_error($<str>1, 0); } 807 | tBOOLEAN { $$ = find_type_or_error($<str>1, 0); } 808 | tERRORSTATUST { $$ = find_type_or_error($<str>1, 0); } 809 | tHANDLET { $$ = find_type_or_error($<str>1, 0); } 810 ; 811 812 m_int: 813 | tINT 814 ; 815 816 int_std: tINT { $$ = type_new_int(TYPE_BASIC_INT, 0); } 817 | tSHORT m_int { $$ = type_new_int(TYPE_BASIC_INT16, 0); } 818 | tSMALL { $$ = type_new_int(TYPE_BASIC_INT8, 0); } 819 | tLONG m_int { $$ = type_new_int(TYPE_BASIC_INT32, 0); } 820 | tHYPER m_int { $$ = type_new_int(TYPE_BASIC_HYPER, 0); } 821 | tINT64 { $$ = type_new_int(TYPE_BASIC_INT64, 0); } 822 | tCHAR { $$ = type_new_int(TYPE_BASIC_CHAR, 0); } 823 | tINT3264 { $$ = type_new_int(TYPE_BASIC_INT3264, 0); } 824 ; 825 826 coclass: tCOCLASS aIDENTIFIER { $$ = type_new_coclass($2); } 827 | tCOCLASS aKNOWNTYPE { $$ = find_type($2, NULL, 0); 828 if (type_get_type_detect_alias($$) != TYPE_COCLASS) 829 error_loc("%s was not declared a coclass at %s:%d\n", 830 $2, $$->loc_info.input_name, 831 $$->loc_info.line_number); 832 } 833 ; 834 835 coclasshdr: attributes coclass { $$ = $2; 836 check_def($$); 837 $$->attrs = check_coclass_attrs($2->name, $1); 838 } 839 ; 840 841 coclassdef: coclasshdr '{' coclass_ints '}' semicolon_opt 842 { $$ = type_coclass_define($1, $3); } 843 ; 844 845 namespacedef: tNAMESPACE aIDENTIFIER { $$ = $2; } 846 ; 847 848 coclass_ints: { $$ = NULL; } 849 | coclass_ints coclass_int { $$ = append_ifref( $1, $2 ); } 850 ; 851 852 coclass_int: 853 m_attributes interfacedec { $$ = make_ifref($2); $$->attrs = $1; } 854 ; 855 856 dispinterface: tDISPINTERFACE aIDENTIFIER { $$ = get_type(TYPE_INTERFACE, $2, current_namespace, 0); } 857 | tDISPINTERFACE aKNOWNTYPE { $$ = get_type(TYPE_INTERFACE, $2, current_namespace, 0); } 858 ; 859 860 dispinterfacehdr: attributes dispinterface { attr_t *attrs; 861 $$ = $2; 862 check_def($$); 863 attrs = make_attr(ATTR_DISPINTERFACE); 864 $$->attrs = append_attr( check_dispiface_attrs($2->name, $1), attrs ); 865 $$->defined = TRUE; 866 } 867 ; 868 869 dispint_props: tPROPERTIES ':' { $$ = NULL; } 870 | dispint_props s_field ';' { $$ = append_var( $1, $2 ); } 871 ; 872 873 dispint_meths: tMETHODS ':' { $$ = NULL; } 874 | dispint_meths funcdef ';' { $$ = append_var( $1, $2 ); } 875 ; 876 877 dispinterfacedef: dispinterfacehdr '{' 878 dispint_props 879 dispint_meths 880 '}' { $$ = $1; 881 type_dispinterface_define($$, $3, $4); 882 } 883 | dispinterfacehdr 884 '{' interface ';' '}' { $$ = $1; 885 type_dispinterface_define_from_iface($$, $3); 886 } 887 ; 888 889 inherit: { $$ = NULL; } 890 | ':' aKNOWNTYPE { $$ = find_type_or_error2($2, 0); } 891 ; 892 893 interface: tINTERFACE aIDENTIFIER { $$ = get_type(TYPE_INTERFACE, $2, current_namespace, 0); } 894 | tINTERFACE aKNOWNTYPE { $$ = get_type(TYPE_INTERFACE, $2, current_namespace, 0); } 895 ; 896 897 interfacehdr: attributes interface { $$.interface = $2; 898 $$.old_pointer_default = pointer_default; 899 if (is_attr($1, ATTR_POINTERDEFAULT)) 900 pointer_default = get_attrv($1, ATTR_POINTERDEFAULT); 901 check_def($2); 902 $2->attrs = check_iface_attrs($2->name, $1); 903 $2->defined = TRUE; 904 } 905 ; 906 907 interfacedef: interfacehdr inherit 908 '{' int_statements '}' semicolon_opt { $$ = $1.interface; 909 if($$ == $2) 910 error_loc("Interface can't inherit from itself\n"); 911 type_interface_define($$, $2, $4); 912 pointer_default = $1.old_pointer_default; 913 } 914 /* MIDL is able to import the definition of a base class from inside the 915 * definition of a derived class, I'll try to support it with this rule */ 916 | interfacehdr ':' aIDENTIFIER 917 '{' import int_statements '}' 918 semicolon_opt { $$ = $1.interface; 919 type_interface_define($$, find_type_or_error2($3, 0), $6); 920 pointer_default = $1.old_pointer_default; 921 } 922 | dispinterfacedef semicolon_opt { $$ = $1; } 923 ; 924 925 interfacedec: 926 interface ';' { $$ = $1; } 927 | dispinterface ';' { $$ = $1; } 928 ; 929 930 module: tMODULE aIDENTIFIER { $$ = type_new_module($2); } 931 | tMODULE aKNOWNTYPE { $$ = type_new_module($2); } 932 ; 933 934 modulehdr: attributes module { $$ = $2; 935 $$->attrs = check_module_attrs($2->name, $1); 936 } 937 ; 938 939 moduledef: modulehdr '{' int_statements '}' 940 semicolon_opt { $$ = $1; 941 type_module_define($$, $3); 942 } 943 ; 944 945 storage_cls_spec: 946 tEXTERN { $$ = STG_EXTERN; } 947 | tSTATIC { $$ = STG_STATIC; } 948 | tREGISTER { $$ = STG_REGISTER; } 949 ; 950 951 function_specifier: 952 tINLINE { $$ = make_attr(ATTR_INLINE); } 953 ; 954 955 type_qualifier: 956 tCONST { $$ = make_attr(ATTR_CONST); } 957 ; 958 959 m_type_qual_list: { $$ = NULL; } 960 | m_type_qual_list type_qualifier { $$ = append_attr($1, $2); } 961 ; 962 963 decl_spec: type m_decl_spec_no_type { $$ = make_decl_spec($1, $2, NULL, NULL, STG_NONE); } 964 | decl_spec_no_type type m_decl_spec_no_type 965 { $$ = make_decl_spec($2, $1, $3, NULL, STG_NONE); } 966 ; 967 968 m_decl_spec_no_type: { $$ = NULL; } 969 | decl_spec_no_type 970 ; 971 972 decl_spec_no_type: 973 type_qualifier m_decl_spec_no_type { $$ = make_decl_spec(NULL, $2, NULL, $1, STG_NONE); } 974 | function_specifier m_decl_spec_no_type { $$ = make_decl_spec(NULL, $2, NULL, $1, STG_NONE); } 975 | storage_cls_spec m_decl_spec_no_type { $$ = make_decl_spec(NULL, $2, NULL, NULL, $1); } 976 ; 977 978 declarator: 979 '*' m_type_qual_list declarator %prec PPTR 980 { $$ = $3; $$->type = append_ptrchain_type($$->type, type_new_pointer(pointer_default, NULL, $2)); } 981 | callconv declarator { $$ = $2; if ($$->func_type) $$->func_type->attrs = append_attr($$->func_type->attrs, make_attrp(ATTR_CALLCONV, $1)); 982 else if ($$->type) $$->type->attrs = append_attr($$->type->attrs, make_attrp(ATTR_CALLCONV, $1)); } 983 | direct_declarator 984 ; 985 986 direct_declarator: 987 ident { $$ = make_declarator($1); } 988 | '(' declarator ')' { $$ = $2; } 989 | direct_declarator array { $$ = $1; $$->array = append_array($$->array, $2); } 990 | direct_declarator '(' m_args ')' { $$ = $1; 991 $$->func_type = append_ptrchain_type($$->type, type_new_function($3)); 992 $$->type = NULL; 993 } 994 ; 995 996 /* abstract declarator */ 997 abstract_declarator: 998 '*' m_type_qual_list m_abstract_declarator %prec PPTR 999 { $$ = $3; $$->type = append_ptrchain_type($$->type, type_new_pointer(pointer_default, NULL, $2)); } 1000 | callconv m_abstract_declarator { $$ = $2; if ($$->func_type) $$->func_type->attrs = append_attr($$->func_type->attrs, make_attrp(ATTR_CALLCONV, $1)); 1001 else if ($$->type) $$->type->attrs = append_attr($$->type->attrs, make_attrp(ATTR_CALLCONV, $1)); } 1002 | abstract_direct_declarator 1003 ; 1004 1005 /* abstract declarator without accepting direct declarator */ 1006 abstract_declarator_no_direct: 1007 '*' m_type_qual_list m_any_declarator %prec PPTR 1008 { $$ = $3; $$->type = append_ptrchain_type($$->type, type_new_pointer(pointer_default, NULL, $2)); } 1009 | callconv m_any_declarator { $$ = $2; if ($$->func_type) $$->func_type->attrs = append_attr($$->func_type->attrs, make_attrp(ATTR_CALLCONV, $1)); 1010 else if ($$->type) $$->type->attrs = append_attr($$->type->attrs, make_attrp(ATTR_CALLCONV, $1)); } 1011 ; 1012 1013 /* abstract declarator or empty */ 1014 m_abstract_declarator: { $$ = make_declarator(NULL); } 1015 | abstract_declarator 1016 ; 1017 1018 /* abstract direct declarator */ 1019 abstract_direct_declarator: 1020 '(' abstract_declarator_no_direct ')' { $$ = $2; } 1021 | abstract_direct_declarator array { $$ = $1; $$->array = append_array($$->array, $2); } 1022 | array { $$ = make_declarator(NULL); $$->array = append_array($$->array, $1); } 1023 | '(' m_args ')' 1024 { $$ = make_declarator(NULL); 1025 $$->func_type = append_ptrchain_type($$->type, type_new_function($2)); 1026 $$->type = NULL; 1027 } 1028 | abstract_direct_declarator '(' m_args ')' 1029 { $$ = $1; 1030 $$->func_type = append_ptrchain_type($$->type, type_new_function($3)); 1031 $$->type = NULL; 1032 } 1033 ; 1034 1035 /* abstract or non-abstract declarator */ 1036 any_declarator: 1037 '*' m_type_qual_list m_any_declarator %prec PPTR 1038 { $$ = $3; $$->type = append_ptrchain_type($$->type, type_new_pointer(pointer_default, NULL, $2)); } 1039 | callconv m_any_declarator { $$ = $2; $$->type->attrs = append_attr($$->type->attrs, make_attrp(ATTR_CALLCONV, $1)); } 1040 | any_direct_declarator 1041 ; 1042 1043 /* abstract or non-abstract declarator without accepting direct declarator */ 1044 any_declarator_no_direct: 1045 '*' m_type_qual_list m_any_declarator %prec PPTR 1046 { $$ = $3; $$->type = append_ptrchain_type($$->type, type_new_pointer(pointer_default, NULL, $2)); } 1047 | callconv m_any_declarator { $$ = $2; $$->type->attrs = append_attr($$->type->attrs, make_attrp(ATTR_CALLCONV, $1)); } 1048 ; 1049 1050 /* abstract or non-abstract declarator or empty */ 1051 m_any_declarator: { $$ = make_declarator(NULL); } 1052 | any_declarator 1053 ; 1054 1055 /* abstract or non-abstract direct declarator. note: direct declarators 1056 * aren't accepted inside brackets to avoid ambiguity with the rule for 1057 * function arguments */ 1058 any_direct_declarator: 1059 ident { $$ = make_declarator($1); } 1060 | '(' any_declarator_no_direct ')' { $$ = $2; } 1061 | any_direct_declarator array { $$ = $1; $$->array = append_array($$->array, $2); } 1062 | array { $$ = make_declarator(NULL); $$->array = append_array($$->array, $1); } 1063 | '(' m_args ')' 1064 { $$ = make_declarator(NULL); 1065 $$->func_type = append_ptrchain_type($$->type, type_new_function($2)); 1066 $$->type = NULL; 1067 } 1068 | any_direct_declarator '(' m_args ')' 1069 { $$ = $1; 1070 $$->func_type = append_ptrchain_type($$->type, type_new_function($3)); 1071 $$->type = NULL; 1072 } 1073 ; 1074 1075 declarator_list: 1076 declarator { $$ = append_declarator( NULL, $1 ); } 1077 | declarator_list ',' declarator { $$ = append_declarator( $1, $3 ); } 1078 ; 1079 1080 m_bitfield: { $$ = NULL; } 1081 | ':' expr_const { $$ = $2; } 1082 ; 1083 1084 struct_declarator: any_declarator m_bitfield { $$ = $1; $$->bits = $2; 1085 if (!$$->bits && !$$->var->name) 1086 error_loc("unnamed fields are not allowed\n"); 1087 } 1088 ; 1089 1090 struct_declarator_list: 1091 struct_declarator { $$ = append_declarator( NULL, $1 ); } 1092 | struct_declarator_list ',' struct_declarator 1093 { $$ = append_declarator( $1, $3 ); } 1094 ; 1095 1096 init_declarator: 1097 declarator { $$ = $1; } 1098 | declarator '=' expr_const { $$ = $1; $1->var->eval = $3; } 1099 ; 1100 1101 threading_type: 1102 tAPARTMENT { $$ = THREADING_APARTMENT; } 1103 | tNEUTRAL { $$ = THREADING_NEUTRAL; } 1104 | tSINGLE { $$ = THREADING_SINGLE; } 1105 | tFREE { $$ = THREADING_FREE; } 1106 | tBOTH { $$ = THREADING_BOTH; } 1107 ; 1108 1109 pointer_type: 1110 tREF { $$ = RPC_FC_RP; } 1111 | tUNIQUE { $$ = RPC_FC_UP; } 1112 | tPTR { $$ = RPC_FC_FP; } 1113 ; 1114 1115 structdef: tSTRUCT t_ident '{' fields '}' { $$ = type_new_struct($2, current_namespace, TRUE, $4); } 1116 ; 1117 1118 type: tVOID { $$ = type_new_void(); } 1119 | aKNOWNTYPE { $$ = find_type_or_error($1, 0); } 1120 | base_type { $$ = $1; } 1121 | enumdef { $$ = $1; } 1122 | tENUM aIDENTIFIER { $$ = type_new_enum($2, current_namespace, FALSE, NULL); } 1123 | structdef { $$ = $1; } 1124 | tSTRUCT aIDENTIFIER { $$ = type_new_struct($2, current_namespace, FALSE, NULL); } 1125 | uniondef { $$ = $1; } 1126 | tUNION aIDENTIFIER { $$ = type_new_nonencapsulated_union($2, FALSE, NULL); } 1127 | tSAFEARRAY '(' type ')' { $$ = make_safearray($3); } 1128 ; 1129 1130 typedef: m_attributes tTYPEDEF m_attributes decl_spec declarator_list 1131 { $1 = append_attribs($1, $3); 1132 reg_typedefs($4, $5, check_typedef_attrs($1)); 1133 $$ = make_statement_typedef($5); 1134 } 1135 ; 1136 1137 uniondef: tUNION t_ident '{' ne_union_fields '}' 1138 { $$ = type_new_nonencapsulated_union($2, TRUE, $4); } 1139 | tUNION t_ident 1140 tSWITCH '(' s_field ')' 1141 m_ident '{' cases '}' { $$ = type_new_encapsulated_union($2, $5, $7, $9); } 1142 ; 1143 1144 version: 1145 aNUM { $$ = MAKEVERSION($1, 0); } 1146 | aNUM '.' aNUM { $$ = MAKEVERSION($1, $3); } 1147 | aHEXNUM { $$ = $1; } 1148 ; 1149 1150 %% 1151 1152 static void decl_builtin_basic(const char *name, enum type_basic_type type) 1153 { 1154 type_t *t = type_new_basic(type); 1155 reg_type(t, name, NULL, 0); 1156 } 1157 1158 static void decl_builtin_alias(const char *name, type_t *t) 1159 { 1160 reg_type(type_new_alias(t, name), name, NULL, 0); 1161 } 1162 1163 void init_types(void) 1164 { 1165 decl_builtin_basic("byte", TYPE_BASIC_BYTE); 1166 decl_builtin_basic("wchar_t", TYPE_BASIC_WCHAR); 1167 decl_builtin_basic("float", TYPE_BASIC_FLOAT); 1168 decl_builtin_basic("double", TYPE_BASIC_DOUBLE); 1169 decl_builtin_basic("error_status_t", TYPE_BASIC_ERROR_STATUS_T); 1170 decl_builtin_basic("handle_t", TYPE_BASIC_HANDLE); 1171 decl_builtin_alias("boolean", type_new_basic(TYPE_BASIC_BYTE)); 1172 } 1173 1174 static str_list_t *append_str(str_list_t *list, char *str) 1175 { 1176 struct str_list_entry_t *entry; 1177 1178 if (!str) return list; 1179 if (!list) 1180 { 1181 list = xmalloc( sizeof(*list) ); 1182 list_init( list ); 1183 } 1184 entry = xmalloc( sizeof(*entry) ); 1185 entry->str = str; 1186 list_add_tail( list, &entry->entry ); 1187 return list; 1188 } 1189 1190 static attr_list_t *append_attr(attr_list_t *list, attr_t *attr) 1191 { 1192 attr_t *attr_existing; 1193 if (!attr) return list; 1194 if (!list) 1195 { 1196 list = xmalloc( sizeof(*list) ); 1197 list_init( list ); 1198 } 1199 LIST_FOR_EACH_ENTRY(attr_existing, list, attr_t, entry) 1200 if (attr_existing->type == attr->type) 1201 { 1202 parser_warning("duplicate attribute %s\n", get_attr_display_name(attr->type)); 1203 /* use the last attribute, like MIDL does */ 1204 list_remove(&attr_existing->entry); 1205 break; 1206 } 1207 list_add_tail( list, &attr->entry ); 1208 return list; 1209 } 1210 1211 static attr_list_t *move_attr(attr_list_t *dst, attr_list_t *src, enum attr_type type) 1212 { 1213 attr_t *attr; 1214 if (!src) return dst; 1215 LIST_FOR_EACH_ENTRY(attr, src, attr_t, entry) 1216 if (attr->type == type) 1217 { 1218 list_remove(&attr->entry); 1219 return append_attr(dst, attr); 1220 } 1221 return dst; 1222 } 1223 1224 static attr_list_t *append_attr_list(attr_list_t *new_list, attr_list_t *old_list) 1225 { 1226 struct list *entry; 1227 1228 if (!old_list) return new_list; 1229 1230 while ((entry = list_head(old_list))) 1231 { 1232 attr_t *attr = LIST_ENTRY(entry, attr_t, entry); 1233 list_remove(entry); 1234 new_list = append_attr(new_list, attr); 1235 } 1236 return new_list; 1237 } 1238 1239 static attr_list_t *dupattrs(const attr_list_t *list) 1240 { 1241 attr_list_t *new_list; 1242 const attr_t *attr; 1243 1244 if (!list) return NULL; 1245 1246 new_list = xmalloc( sizeof(*list) ); 1247 list_init( new_list ); 1248 LIST_FOR_EACH_ENTRY(attr, list, const attr_t, entry) 1249 { 1250 attr_t *new_attr = xmalloc(sizeof(*new_attr)); 1251 *new_attr = *attr; 1252 list_add_tail(new_list, &new_attr->entry); 1253 } 1254 return new_list; 1255 } 1256 1257 static decl_spec_t *make_decl_spec(type_t *type, decl_spec_t *left, decl_spec_t *right, attr_t *attr, enum storage_class stgclass) 1258 { 1259 decl_spec_t *declspec = left ? left : right; 1260 if (!declspec) 1261 { 1262 declspec = xmalloc(sizeof(*declspec)); 1263 declspec->type = NULL; 1264 declspec->attrs = NULL; 1265 declspec->stgclass = STG_NONE; 1266 } 1267 declspec->type = type; 1268 if (left && declspec != left) 1269 { 1270 declspec->attrs = append_attr_list(declspec->attrs, left->attrs); 1271 if (declspec->stgclass == STG_NONE) 1272 declspec->stgclass = left->stgclass; 1273 else if (left->stgclass != STG_NONE) 1274 error_loc("only one storage class can be specified\n"); 1275 assert(!left->type); 1276 free(left); 1277 } 1278 if (right && declspec != right) 1279 { 1280 declspec->attrs = append_attr_list(declspec->attrs, right->attrs); 1281 if (declspec->stgclass == STG_NONE) 1282 declspec->stgclass = right->stgclass; 1283 else if (right->stgclass != STG_NONE) 1284 error_loc("only one storage class can be specified\n"); 1285 assert(!right->type); 1286 free(right); 1287 } 1288 1289 declspec->attrs = append_attr(declspec->attrs, attr); 1290 if (declspec->stgclass == STG_NONE) 1291 declspec->stgclass = stgclass; 1292 else if (stgclass != STG_NONE) 1293 error_loc("only one storage class can be specified\n"); 1294 1295 /* apply attributes to type */ 1296 if (type && declspec->attrs) 1297 { 1298 attr_list_t *attrs; 1299 declspec->type = duptype(type, 1); 1300 attrs = dupattrs(type->attrs); 1301 declspec->type->attrs = append_attr_list(attrs, declspec->attrs); 1302 declspec->attrs = NULL; 1303 } 1304 1305 return declspec; 1306 } 1307 1308 static attr_t *make_attr(enum attr_type type) 1309 { 1310 attr_t *a = xmalloc(sizeof(attr_t)); 1311 a->type = type; 1312 a->u.ival = 0; 1313 return a; 1314 } 1315 1316 static attr_t *make_attrv(enum attr_type type, unsigned int val) 1317 { 1318 attr_t *a = xmalloc(sizeof(attr_t)); 1319 a->type = type; 1320 a->u.ival = val; 1321 return a; 1322 } 1323 1324 static attr_t *make_attrp(enum attr_type type, void *val) 1325 { 1326 attr_t *a = xmalloc(sizeof(attr_t)); 1327 a->type = type; 1328 a->u.pval = val; 1329 return a; 1330 } 1331 1332 static expr_list_t *append_expr(expr_list_t *list, expr_t *expr) 1333 { 1334 if (!expr) return list; 1335 if (!list) 1336 { 1337 list = xmalloc( sizeof(*list) ); 1338 list_init( list ); 1339 } 1340 list_add_tail( list, &expr->entry ); 1341 return list; 1342 } 1343 1344 static array_dims_t *append_array(array_dims_t *list, expr_t *expr) 1345 { 1346 if (!expr) return list; 1347 if (!list) 1348 { 1349 list = xmalloc( sizeof(*list) ); 1350 list_init( list ); 1351 } 1352 list_add_tail( list, &expr->entry ); 1353 return list; 1354 } 1355 1356 static struct list type_pool = LIST_INIT(type_pool); 1357 typedef struct 1358 { 1359 type_t data; 1360 struct list link; 1361 } type_pool_node_t; 1362 1363 type_t *alloc_type(void) 1364 { 1365 type_pool_node_t *node = xmalloc(sizeof *node); 1366 list_add_tail(&type_pool, &node->link); 1367 return &node->data; 1368 } 1369 1370 void set_all_tfswrite(int val) 1371 { 1372 type_pool_node_t *node; 1373 LIST_FOR_EACH_ENTRY(node, &type_pool, type_pool_node_t, link) 1374 node->data.tfswrite = val; 1375 } 1376 1377 void clear_all_offsets(void) 1378 { 1379 type_pool_node_t *node; 1380 LIST_FOR_EACH_ENTRY(node, &type_pool, type_pool_node_t, link) 1381 node->data.typestring_offset = node->data.ptrdesc = 0; 1382 } 1383 1384 static void type_function_add_head_arg(type_t *type, var_t *arg) 1385 { 1386 if (!type->details.function->args) 1387 { 1388 type->details.function->args = xmalloc( sizeof(*type->details.function->args) ); 1389 list_init( type->details.function->args ); 1390 } 1391 list_add_head( type->details.function->args, &arg->entry ); 1392 } 1393 1394 static int is_allowed_range_type(const type_t *type) 1395 { 1396 switch (type_get_type(type)) 1397 { 1398 case TYPE_ENUM: 1399 return TRUE; 1400 case TYPE_BASIC: 1401 switch (type_basic_get_type(type)) 1402 { 1403 case TYPE_BASIC_INT8: 1404 case TYPE_BASIC_INT16: 1405 case TYPE_BASIC_INT32: 1406 case TYPE_BASIC_INT64: 1407 case TYPE_BASIC_INT: 1408 case TYPE_BASIC_INT3264: 1409 case TYPE_BASIC_BYTE: 1410 case TYPE_BASIC_CHAR: 1411 case TYPE_BASIC_WCHAR: 1412 case TYPE_BASIC_HYPER: 1413 return TRUE; 1414 case TYPE_BASIC_FLOAT: 1415 case TYPE_BASIC_DOUBLE: 1416 case TYPE_BASIC_ERROR_STATUS_T: 1417 case TYPE_BASIC_HANDLE: 1418 return FALSE; 1419 } 1420 return FALSE; 1421 default: 1422 return FALSE; 1423 } 1424 } 1425 1426 static type_t *append_ptrchain_type(type_t *ptrchain, type_t *type) 1427 { 1428 type_t *ptrchain_type; 1429 if (!ptrchain) 1430 return type; 1431 for (ptrchain_type = ptrchain; type_pointer_get_ref(ptrchain_type); ptrchain_type = type_pointer_get_ref(ptrchain_type)) 1432 ; 1433 assert(ptrchain_type->type_type == TYPE_POINTER); 1434 ptrchain_type->details.pointer.ref = type; 1435 return ptrchain; 1436 } 1437 1438 static warning_list_t *append_warning(warning_list_t *list, int num) 1439 { 1440 warning_t *entry; 1441 1442 if(!list) 1443 { 1444 list = xmalloc( sizeof(*list) ); 1445 list_init( list ); 1446 } 1447 entry = xmalloc( sizeof(*entry) ); 1448 entry->num = num; 1449 list_add_tail( list, &entry->entry ); 1450 return list; 1451 } 1452 1453 static var_t *declare_var(attr_list_t *attrs, decl_spec_t *decl_spec, const declarator_t *decl, 1454 int top) 1455 { 1456 var_t *v = decl->var; 1457 expr_list_t *sizes = get_attrp(attrs, ATTR_SIZEIS); 1458 expr_list_t *lengs = get_attrp(attrs, ATTR_LENGTHIS); 1459 int sizeless; 1460 expr_t *dim; 1461 type_t **ptype; 1462 array_dims_t *arr = decl ? decl->array : NULL; 1463 type_t *func_type = decl ? decl->func_type : NULL; 1464 type_t *type = decl_spec->type; 1465 1466 if (is_attr(type->attrs, ATTR_INLINE)) 1467 { 1468 if (!func_type) 1469 error_loc("inline attribute applied to non-function type\n"); 1470 else 1471 { 1472 type_t *t; 1473 /* move inline attribute from return type node to function node */ 1474 for (t = func_type; is_ptr(t); t = type_pointer_get_ref(t)) 1475 ; 1476 t->attrs = move_attr(t->attrs, type->attrs, ATTR_INLINE); 1477 } 1478 } 1479 1480 /* add type onto the end of the pointers in pident->type */ 1481 v->type = append_ptrchain_type(decl ? decl->type : NULL, type); 1482 v->stgclass = decl_spec->stgclass; 1483 v->attrs = attrs; 1484 1485 /* check for pointer attribute being applied to non-pointer, non-array 1486 * type */ 1487 if (!arr) 1488 { 1489 int ptr_attr = get_attrv(v->attrs, ATTR_POINTERTYPE); 1490 const type_t *ptr = NULL; 1491 /* pointer attributes on the left side of the type belong to the function 1492 * pointer, if one is being declared */ 1493 type_t **pt = func_type ? &func_type : &v->type; 1494 for (ptr = *pt; ptr && !ptr_attr; ) 1495 { 1496 ptr_attr = get_attrv(ptr->attrs, ATTR_POINTERTYPE); 1497 if (!ptr_attr && type_is_alias(ptr)) 1498 ptr = type_alias_get_aliasee(ptr); 1499 else 1500 break; 1501 } 1502 if (is_ptr(ptr)) 1503 { 1504 if (ptr_attr && ptr_attr != RPC_FC_UP && 1505 type_get_type(type_pointer_get_ref(ptr)) == TYPE_INTERFACE) 1506 warning_loc_info(&v->loc_info, 1507 "%s: pointer attribute applied to interface " 1508 "pointer type has no effect\n", v->name); 1509 if (!ptr_attr && top && (*pt)->details.pointer.def_fc != RPC_FC_RP) 1510 { 1511 /* FIXME: this is a horrible hack to cope with the issue that we 1512 * store an offset to the typeformat string in the type object, but 1513 * two typeformat strings may be written depending on whether the 1514 * pointer is a toplevel parameter or not */ 1515 *pt = duptype(*pt, 1); 1516 } 1517 } 1518 else if (ptr_attr) 1519 error_loc("%s: pointer attribute applied to non-pointer type\n", v->name); 1520 } 1521 1522 if (is_attr(v->attrs, ATTR_STRING)) 1523 { 1524 type_t *t = type; 1525 1526 if (!is_ptr(v->type) && !arr) 1527 error_loc("'%s': [string] attribute applied to non-pointer, non-array type\n", 1528 v->name); 1529 1530 while (is_ptr(t)) 1531 t = type_pointer_get_ref(t); 1532 1533 if (type_get_type(t) != TYPE_BASIC && 1534 (get_basic_fc(t) != RPC_FC_CHAR && 1535 get_basic_fc(t) != RPC_FC_BYTE && 1536 get_basic_fc(t) != RPC_FC_WCHAR)) 1537 { 1538 error_loc("'%s': [string] attribute is only valid on 'char', 'byte', or 'wchar_t' pointers and arrays\n", 1539 v->name); 1540 } 1541 } 1542 1543 if (is_attr(v->attrs, ATTR_V1ENUM)) 1544 { 1545 if (type_get_type_detect_alias(v->type) != TYPE_ENUM) 1546 error_loc("'%s': [v1_enum] attribute applied to non-enum type\n", v->name); 1547 } 1548 1549 if (is_attr(v->attrs, ATTR_RANGE) && !is_allowed_range_type(v->type)) 1550 error_loc("'%s': [range] attribute applied to non-integer type\n", 1551 v->name); 1552 1553 ptype = &v->type; 1554 sizeless = FALSE; 1555 if (arr) LIST_FOR_EACH_ENTRY_REV(dim, arr, expr_t, entry) 1556 { 1557 if (sizeless) 1558 error_loc("%s: only the first array dimension can be unspecified\n", v->name); 1559 1560 if (dim->is_const) 1561 { 1562 if (dim->cval <= 0) 1563 error_loc("%s: array dimension must be positive\n", v->name); 1564 1565 /* FIXME: should use a type_memsize that allows us to pass in a pointer size */ 1566 if (0) 1567 { 1568 unsigned int size = type_memsize(v->type); 1569 1570 if (0xffffffffu / size < dim->cval) 1571 error_loc("%s: total array size is too large\n", v->name); 1572 } 1573 } 1574 else 1575 sizeless = TRUE; 1576 1577 *ptype = type_new_array(NULL, *ptype, FALSE, 1578 dim->is_const ? dim->cval : 0, 1579 dim->is_const ? NULL : dim, NULL, 1580 pointer_default); 1581 } 1582 1583 ptype = &v->type; 1584 if (sizes) LIST_FOR_EACH_ENTRY(dim, sizes, expr_t, entry) 1585 { 1586 if (dim->type != EXPR_VOID) 1587 { 1588 if (is_array(*ptype)) 1589 { 1590 if (!type_array_get_conformance(*ptype) || 1591 type_array_get_conformance(*ptype)->type != EXPR_VOID) 1592 error_loc("%s: cannot specify size_is for an already sized array\n", v->name); 1593 else 1594 *ptype = type_new_array((*ptype)->name, 1595 type_array_get_element(*ptype), FALSE, 1596 0, dim, NULL, 0); 1597 } 1598 else if (is_ptr(*ptype)) 1599 *ptype = type_new_array((*ptype)->name, type_pointer_get_ref(*ptype), TRUE, 1600 0, dim, NULL, pointer_default); 1601 else 1602 error_loc("%s: size_is attribute applied to illegal type\n", v->name); 1603 } 1604 1605 if (is_ptr(*ptype)) 1606 ptype = &(*ptype)->details.pointer.ref; 1607 else if (is_array(*ptype)) 1608 ptype = &(*ptype)->details.array.elem; 1609 else 1610 error_loc("%s: too many expressions in size_is attribute\n", v->name); 1611 } 1612 1613 ptype = &v->type; 1614 if (lengs) LIST_FOR_EACH_ENTRY(dim, lengs, expr_t, entry) 1615 { 1616 if (dim->type != EXPR_VOID) 1617 { 1618 if (is_array(*ptype)) 1619 { 1620 *ptype = type_new_array((*ptype)->name, 1621 type_array_get_element(*ptype), 1622 type_array_is_decl_as_ptr(*ptype), 1623 type_array_get_dim(*ptype), 1624 type_array_get_conformance(*ptype), 1625 dim, type_array_get_ptr_default_fc(*ptype)); 1626 } 1627 else 1628 error_loc("%s: length_is attribute applied to illegal type\n", v->name); 1629 } 1630 1631 if (is_ptr(*ptype)) 1632 ptype = &(*ptype)->details.pointer.ref; 1633 else if (is_array(*ptype)) 1634 ptype = &(*ptype)->details.array.elem; 1635 else 1636 error_loc("%s: too many expressions in length_is attribute\n", v->name); 1637 } 1638 1639 /* v->type is currently pointing to the type on the left-side of the 1640 * declaration, so we need to fix this up so that it is the return type of the 1641 * function and make v->type point to the function side of the declaration */ 1642 if (func_type) 1643 { 1644 type_t *ft, *t; 1645 type_t *return_type = v->type; 1646 v->type = func_type; 1647 for (ft = v->type; is_ptr(ft); ft = type_pointer_get_ref(ft)) 1648 ; 1649 assert(type_get_type_detect_alias(ft) == TYPE_FUNCTION); 1650 ft->details.function->retval = make_var(xstrdup("_RetVal")); 1651 ft->details.function->retval->type = return_type; 1652 /* move calling convention attribute, if present, from pointer nodes to 1653 * function node */ 1654 for (t = v->type; is_ptr(t); t = type_pointer_get_ref(t)) 1655 ft->attrs = move_attr(ft->attrs, t->attrs, ATTR_CALLCONV); 1656 } 1657 else 1658 { 1659 type_t *t; 1660 for (t = v->type; is_ptr(t); t = type_pointer_get_ref(t)) 1661 if (is_attr(t->attrs, ATTR_CALLCONV)) 1662 error_loc("calling convention applied to non-function-pointer type\n"); 1663 } 1664 1665 if (decl->bits) 1666 v->type = type_new_bitfield(v->type, decl->bits); 1667 1668 return v; 1669 } 1670 1671 static var_list_t *set_var_types(attr_list_t *attrs, decl_spec_t *decl_spec, declarator_list_t *decls) 1672 { 1673 declarator_t *decl, *next; 1674 var_list_t *var_list = NULL; 1675 1676 LIST_FOR_EACH_ENTRY_SAFE( decl, next, decls, declarator_t, entry ) 1677 { 1678 var_t *var = declare_var(attrs, decl_spec, decl, 0); 1679 var_list = append_var(var_list, var); 1680 free(decl); 1681 } 1682 free(decl_spec); 1683 return var_list; 1684 } 1685 1686 static ifref_list_t *append_ifref(ifref_list_t *list, ifref_t *iface) 1687 { 1688 if (!iface) return list; 1689 if (!list) 1690 { 1691 list = xmalloc( sizeof(*list) ); 1692 list_init( list ); 1693 } 1694 list_add_tail( list, &iface->entry ); 1695 return list; 1696 } 1697 1698 static ifref_t *make_ifref(type_t *iface) 1699 { 1700 ifref_t *l = xmalloc(sizeof(ifref_t)); 1701 l->iface = iface; 1702 l->attrs = NULL; 1703 return l; 1704 } 1705 1706 var_list_t *append_var(var_list_t *list, var_t *var) 1707 { 1708 if (!var) return list; 1709 if (!list) 1710 { 1711 list = xmalloc( sizeof(*list) ); 1712 list_init( list ); 1713 } 1714 list_add_tail( list, &var->entry ); 1715 return list; 1716 } 1717 1718 static var_list_t *append_var_list(var_list_t *list, var_list_t *vars) 1719 { 1720 if (!vars) return list; 1721 if (!list) 1722 { 1723 list = xmalloc( sizeof(*list) ); 1724 list_init( list ); 1725 } 1726 list_move_tail( list, vars ); 1727 return list; 1728 } 1729 1730 var_t *make_var(char *name) 1731 { 1732 var_t *v = xmalloc(sizeof(var_t)); 1733 v->name = name; 1734 v->type = NULL; 1735 v->attrs = NULL; 1736 v->eval = NULL; 1737 v->stgclass = STG_NONE; 1738 init_loc_info(&v->loc_info); 1739 return v; 1740 } 1741 1742 static declarator_list_t *append_declarator(declarator_list_t *list, declarator_t *d) 1743 { 1744 if (!d) return list; 1745 if (!list) { 1746 list = xmalloc(sizeof(*list)); 1747 list_init(list); 1748 } 1749 list_add_tail(list, &d->entry); 1750 return list; 1751 } 1752 1753 static declarator_t *make_declarator(var_t *var) 1754 { 1755 declarator_t *d = xmalloc(sizeof(*d)); 1756 d->var = var ? var : make_var(NULL); 1757 d->type = NULL; 1758 d->func_type = NULL; 1759 d->array = NULL; 1760 d->bits = NULL; 1761 return d; 1762 } 1763 1764 static type_t *make_safearray(type_t *type) 1765 { 1766 return type_new_array(NULL, type_new_alias(type, "SAFEARRAY"), TRUE, 0, 1767 NULL, NULL, RPC_FC_RP); 1768 } 1769 1770 static typelib_t *make_library(const char *name, const attr_list_t *attrs) 1771 { 1772 typelib_t *typelib = xmalloc(sizeof(*typelib)); 1773 typelib->name = xstrdup(name); 1774 typelib->attrs = attrs; 1775 list_init( &typelib->importlibs ); 1776 return typelib; 1777 } 1778 1779 static int hash_ident(const char *name) 1780 { 1781 const char *p = name; 1782 int sum = 0; 1783 /* a simple sum hash is probably good enough */ 1784 while (*p) { 1785 sum += *p; 1786 p++; 1787 } 1788 return sum & (HASHMAX-1); 1789 } 1790 1791 /***** type repository *****/ 1792 1793 static struct namespace *find_sub_namespace(struct namespace *namespace, const char *name) 1794 { 1795 struct namespace *cur; 1796 1797 LIST_FOR_EACH_ENTRY(cur, &namespace->children, struct namespace, entry) { 1798 if(!strcmp(cur->name, name)) 1799 return cur; 1800 } 1801 1802 return NULL; 1803 } 1804 1805 static void push_namespace(const char *name) 1806 { 1807 struct namespace *namespace; 1808 1809 namespace = find_sub_namespace(current_namespace, name); 1810 if(!namespace) { 1811 namespace = xmalloc(sizeof(*namespace)); 1812 namespace->name = xstrdup(name); 1813 namespace->parent = current_namespace; 1814 list_add_tail(¤t_namespace->children, &namespace->entry); 1815 list_init(&namespace->children); 1816 memset(namespace->type_hash, 0, sizeof(namespace->type_hash)); 1817 } 1818 1819 current_namespace = namespace; 1820 } 1821 1822 static void pop_namespace(const char *name) 1823 { 1824 assert(!strcmp(current_namespace->name, name) && current_namespace->parent); 1825 current_namespace = current_namespace->parent; 1826 } 1827 1828 struct rtype { 1829 const char *name; 1830 type_t *type; 1831 int t; 1832 struct rtype *next; 1833 }; 1834 1835 type_t *reg_type(type_t *type, const char *name, struct namespace *namespace, int t) 1836 { 1837 struct rtype *nt; 1838 int hash; 1839 if (!name) { 1840 error_loc("registering named type without name\n"); 1841 return type; 1842 } 1843 if (!namespace) 1844 namespace = &global_namespace; 1845 hash = hash_ident(name); 1846 nt = xmalloc(sizeof(struct rtype)); 1847 nt->name = name; 1848 if (is_global_namespace(namespace)) 1849 type->c_name = name; 1850 else 1851 type->c_name = format_namespace(namespace, "__x_", "_C", name); 1852 nt->type = type; 1853 nt->t = t; 1854 nt->next = namespace->type_hash[hash]; 1855 namespace->type_hash[hash] = nt; 1856 if ((t == tsSTRUCT || t == tsUNION)) 1857 fix_incomplete_types(type); 1858 return type; 1859 } 1860 1861 static int is_incomplete(const type_t *t) 1862 { 1863 return !t->defined && 1864 (type_get_type_detect_alias(t) == TYPE_STRUCT || 1865 type_get_type_detect_alias(t) == TYPE_UNION || 1866 type_get_type_detect_alias(t) == TYPE_ENCAPSULATED_UNION); 1867 } 1868 1869 void add_incomplete(type_t *t) 1870 { 1871 struct typenode *tn = xmalloc(sizeof *tn); 1872 tn->type = t; 1873 list_add_tail(&incomplete_types, &tn->entry); 1874 } 1875 1876 static void fix_type(type_t *t) 1877 { 1878 if (type_is_alias(t) && is_incomplete(t)) { 1879 type_t *ot = type_alias_get_aliasee(t); 1880 fix_type(ot); 1881 if (type_get_type_detect_alias(ot) == TYPE_STRUCT || 1882 type_get_type_detect_alias(ot) == TYPE_UNION || 1883 type_get_type_detect_alias(ot) == TYPE_ENCAPSULATED_UNION) 1884 t->details.structure = ot->details.structure; 1885 t->defined = ot->defined; 1886 } 1887 } 1888 1889 static void fix_incomplete(void) 1890 { 1891 struct typenode *tn, *next; 1892 1893 LIST_FOR_EACH_ENTRY_SAFE(tn, next, &incomplete_types, struct typenode, entry) { 1894 fix_type(tn->type); 1895 list_remove(&tn->entry); 1896 free(tn); 1897 } 1898 } 1899 1900 static void fix_incomplete_types(type_t *complete_type) 1901 { 1902 struct typenode *tn, *next; 1903 1904 LIST_FOR_EACH_ENTRY_SAFE(tn, next, &incomplete_types, struct typenode, entry) 1905 { 1906 if (type_is_equal(complete_type, tn->type)) 1907 { 1908 tn->type->details.structure = complete_type->details.structure; 1909 list_remove(&tn->entry); 1910 free(tn); 1911 } 1912 } 1913 } 1914 1915 static type_t *reg_typedefs(decl_spec_t *decl_spec, declarator_list_t *decls, attr_list_t *attrs) 1916 { 1917 const declarator_t *decl; 1918 type_t *type = decl_spec->type; 1919 1920 if (is_attr(attrs, ATTR_UUID) && !is_attr(attrs, ATTR_PUBLIC)) 1921 attrs = append_attr( attrs, make_attr(ATTR_PUBLIC) ); 1922 1923 /* We must generate names for tagless enum, struct or union. 1924 Typedef-ing a tagless enum, struct or union means we want the typedef 1925 to be included in a library hence the public attribute. */ 1926 if (type_get_type_detect_alias(type) == TYPE_ENUM || 1927 type_get_type_detect_alias(type) == TYPE_STRUCT || 1928 type_get_type_detect_alias(type) == TYPE_UNION || 1929 type_get_type_detect_alias(type) == TYPE_ENCAPSULATED_UNION) 1930 { 1931 if (!type->name) 1932 type->name = gen_name(); 1933 1934 /* replace existing attributes when generating a typelib */ 1935 if (do_typelib) 1936 type->attrs = attrs; 1937 } 1938 1939 #ifdef __REACTOS__ /* r53187 / 5bf224e */ 1940 /* Append the SWITCHTYPE attribute to a non-encapsulated union if it does not already have it. */ 1941 if (type_get_type_detect_alias(type) == TYPE_UNION && 1942 is_attr(attrs, ATTR_SWITCHTYPE) && 1943 !is_attr(type->attrs, ATTR_SWITCHTYPE)) 1944 type->attrs = append_attr(type->attrs, make_attrp(ATTR_SWITCHTYPE, get_attrp(attrs, ATTR_SWITCHTYPE))); 1945 #endif 1946 1947 LIST_FOR_EACH_ENTRY( decl, decls, const declarator_t, entry ) 1948 { 1949 1950 if (decl->var->name) { 1951 type_t *cur; 1952 var_t *name; 1953 1954 cur = find_type(decl->var->name, current_namespace, 0); 1955 1956 /* 1957 * MIDL allows shadowing types that are declared in imported files. 1958 * We don't throw an error in this case and instead add a new type 1959 * (which is earlier on the list in hash table, so it will be used 1960 * instead of shadowed type). 1961 * 1962 * FIXME: We may consider string separated type tables for each input 1963 * for cleaner solution. 1964 */ 1965 if (cur && input_name == cur->loc_info.input_name) 1966 error_loc("%s: redefinition error; original definition was at %s:%d\n", 1967 cur->name, cur->loc_info.input_name, 1968 cur->loc_info.line_number); 1969 1970 name = declare_var(attrs, decl_spec, decl, 0); 1971 cur = type_new_alias(name->type, name->name); 1972 cur->attrs = attrs; 1973 1974 if (is_incomplete(cur)) 1975 add_incomplete(cur); 1976 reg_type(cur, cur->name, current_namespace, 0); 1977 } 1978 } 1979 return type; 1980 } 1981 1982 type_t *find_type(const char *name, struct namespace *namespace, int t) 1983 { 1984 struct rtype *cur; 1985 1986 if(namespace && namespace != &global_namespace) { 1987 for(cur = namespace->type_hash[hash_ident(name)]; cur; cur = cur->next) { 1988 if(cur->t == t && !strcmp(cur->name, name)) 1989 return cur->type; 1990 } 1991 } 1992 for(cur = global_namespace.type_hash[hash_ident(name)]; cur; cur = cur->next) { 1993 if(cur->t == t && !strcmp(cur->name, name)) 1994 return cur->type; 1995 } 1996 return NULL; 1997 } 1998 1999 static type_t *find_type_or_error(const char *name, int t) 2000 { 2001 type_t *type = find_type(name, NULL, t); 2002 if (!type) { 2003 error_loc("type '%s' not found\n", name); 2004 return NULL; 2005 } 2006 return type; 2007 } 2008 2009 static type_t *find_type_or_error2(char *name, int t) 2010 { 2011 type_t *tp = find_type_or_error(name, t); 2012 free(name); 2013 return tp; 2014 } 2015 2016 int is_type(const char *name) 2017 { 2018 return find_type(name, current_namespace, 0) != NULL; 2019 } 2020 2021 type_t *get_type(enum type_type type, char *name, struct namespace *namespace, int t) 2022 { 2023 type_t *tp; 2024 if (!namespace) 2025 namespace = &global_namespace; 2026 if (name) { 2027 tp = find_type(name, namespace, t); 2028 if (tp) { 2029 free(name); 2030 return tp; 2031 } 2032 } 2033 tp = make_type(type); 2034 tp->name = name; 2035 tp->namespace = namespace; 2036 if (!name) return tp; 2037 return reg_type(tp, name, namespace, t); 2038 } 2039 2040 /***** constant repository *****/ 2041 2042 struct rconst { 2043 char *name; 2044 var_t *var; 2045 struct rconst *next; 2046 }; 2047 2048 struct rconst *const_hash[HASHMAX]; 2049 2050 static var_t *reg_const(var_t *var) 2051 { 2052 struct rconst *nc; 2053 int hash; 2054 if (!var->name) { 2055 error_loc("registering constant without name\n"); 2056 return var; 2057 } 2058 hash = hash_ident(var->name); 2059 nc = xmalloc(sizeof(struct rconst)); 2060 nc->name = var->name; 2061 nc->var = var; 2062 nc->next = const_hash[hash]; 2063 const_hash[hash] = nc; 2064 return var; 2065 } 2066 2067 var_t *find_const(const char *name, int f) 2068 { 2069 struct rconst *cur = const_hash[hash_ident(name)]; 2070 while (cur && strcmp(cur->name, name)) 2071 cur = cur->next; 2072 if (!cur) { 2073 if (f) error_loc("constant '%s' not found\n", name); 2074 return NULL; 2075 } 2076 return cur->var; 2077 } 2078 2079 static char *gen_name(void) 2080 { 2081 static const char format[] = "__WIDL_%s_generated_name_%08lX"; 2082 static unsigned long n = 0; 2083 static const char *file_id; 2084 static size_t size; 2085 char *name; 2086 2087 if (! file_id) 2088 { 2089 char *dst = dup_basename(input_idl_name, ".idl"); 2090 file_id = dst; 2091 2092 for (; *dst; ++dst) 2093 if (! isalnum((unsigned char) *dst)) 2094 *dst = '_'; 2095 2096 size = sizeof format - 7 + strlen(file_id) + 8; 2097 } 2098 2099 name = xmalloc(size); 2100 sprintf(name, format, file_id, n++); 2101 return name; 2102 } 2103 2104 struct allowed_attr 2105 { 2106 unsigned int dce_compatible : 1; 2107 unsigned int acf : 1; 2108 unsigned int on_interface : 1; 2109 unsigned int on_function : 1; 2110 unsigned int on_arg : 1; 2111 unsigned int on_type : 1; 2112 unsigned int on_enum : 1; 2113 unsigned int on_struct : 2; 2114 unsigned int on_union : 1; 2115 unsigned int on_field : 1; 2116 unsigned int on_library : 1; 2117 unsigned int on_dispinterface : 1; 2118 unsigned int on_module : 1; 2119 unsigned int on_coclass : 1; 2120 const char *display_name; 2121 }; 2122 2123 struct allowed_attr allowed_attr[] = 2124 { 2125 /* attr { D ACF I Fn ARG T En St Un Fi L DI M C <display name> } */ 2126 /* ATTR_AGGREGATABLE */ { 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 1, "aggregatable" }, 2127 /* ATTR_ANNOTATION */ { 0, 0, 0, 0, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, "annotation" }, 2128 /* ATTR_APPOBJECT */ { 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 1, "appobject" }, 2129 /* ATTR_ASYNC */ { 0, 1, 0, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, "async" }, 2130 /* ATTR_ASYNCUUID */ { 1, 0, 1, 0, 0, 1, 1, 0, 0, 0, 1, 1, 1, 1, "async_uuid" }, 2131 /* ATTR_AUTO_HANDLE */ { 1, 1, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, "auto_handle" }, 2132 /* ATTR_BINDABLE */ { 0, 0, 0, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, "bindable" }, 2133 /* ATTR_BROADCAST */ { 1, 0, 0, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, "broadcast" }, 2134 /* ATTR_CALLAS */ { 0, 0, 0, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, "call_as" }, 2135 /* ATTR_CALLCONV */ { 0, 0, 0, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, NULL }, 2136 /* ATTR_CASE */ { 1, 0, 0, 0, 0, 0, 0, 0, 0, 1, 0, 0, 0, 0, "case" }, 2137 /* ATTR_CODE */ { 0, 1, 1, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, "code" }, 2138 /* ATTR_COMMSTATUS */ { 0, 0, 0, 1, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, "comm_status" }, 2139 /* ATTR_CONST */ { 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, "const" }, 2140 /* ATTR_CONTEXTHANDLE */ { 1, 0, 0, 0, 0, 1, 0, 0, 0, 0, 0, 0, 0, 0, "context_handle" }, 2141 /* ATTR_CONTROL */ { 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 1, 0, 0, 1, "control" }, 2142 /* ATTR_DECODE */ { 0, 0, 1, 1, 0, 1, 0, 0, 0, 0, 0, 0, 0, 0, "decode" }, 2143 /* ATTR_DEFAULT */ { 0, 0, 1, 0, 0, 0, 0, 0, 0, 1, 0, 1, 0, 0, "default" }, 2144 /* ATTR_DEFAULTBIND */ { 0, 0, 0, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, "defaultbind" }, 2145 /* ATTR_DEFAULTCOLLELEM */ { 0, 0, 0, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, "defaultcollelem" }, 2146 /* ATTR_DEFAULTVALUE */ { 0, 0, 0, 0, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, "defaultvalue" }, 2147 /* ATTR_DEFAULTVTABLE */ { 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 1, "defaultvtable" }, 2148 /* ATTR_DISABLECONSISTENCYCHECK */{ 0, 0, 0, 0, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, "disable_consistency_check" }, 2149 /* ATTR_DISPINTERFACE */ { 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, NULL }, 2150 /* ATTR_DISPLAYBIND */ { 0, 0, 0, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, "displaybind" }, 2151 /* ATTR_DLLNAME */ { 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 1, 0, "dllname" }, 2152 /* ATTR_DUAL */ { 0, 0, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, "dual" }, 2153 /* ATTR_ENABLEALLOCATE */ { 0, 0, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, "enable_allocate" }, 2154 /* ATTR_ENCODE */ { 0, 0, 1, 1, 0, 1, 0, 0, 0, 0, 0, 0, 0, 0, "encode" }, 2155 /* ATTR_ENDPOINT */ { 1, 0, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, "endpoint" }, 2156 /* ATTR_ENTRY */ { 0, 0, 0, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, "entry" }, 2157 /* ATTR_EXPLICIT_HANDLE */ { 1, 1, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, "explicit_handle" }, 2158 /* ATTR_FAULTSTATUS */ { 0, 0, 0, 1, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, "fault_status" }, 2159 /* ATTR_FORCEALLOCATE */ { 0, 0, 0, 0, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, "force_allocate" }, 2160 /* ATTR_HANDLE */ { 1, 0, 0, 0, 0, 1, 0, 0, 0, 0, 0, 0, 0, 0, "handle" }, 2161 /* ATTR_HELPCONTEXT */ { 0, 0, 1, 1, 0, 1, 1, 0, 0, 0, 1, 1, 1, 1, "helpcontext" }, 2162 /* ATTR_HELPFILE */ { 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 1, 0, 0, 0, "helpfile" }, 2163 /* ATTR_HELPSTRING */ { 0, 0, 1, 1, 0, 1, 1, 0, 0, 0, 1, 1, 1, 1, "helpstring" }, 2164 /* ATTR_HELPSTRINGCONTEXT */ { 0, 0, 1, 1, 0, 1, 1, 0, 0, 0, 1, 1, 1, 1, "helpstringcontext" }, 2165 /* ATTR_HELPSTRINGDLL */ { 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 1, 0, 0, 0, "helpstringdll" }, 2166 /* ATTR_HIDDEN */ { 0, 0, 1, 1, 0, 1, 0, 0, 0, 0, 1, 1, 0, 1, "hidden" }, 2167 /* ATTR_ID */ { 0, 0, 0, 1, 0, 0, 0, 0, 0, 1, 1, 0, 0, 0, "id" }, 2168 /* ATTR_IDEMPOTENT */ { 1, 0, 0, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, "idempotent" }, 2169 /* ATTR_IGNORE */ { 0, 0, 0, 0, 0, 0, 0, 0, 0, 1, 0, 0, 0, 0, "ignore" }, 2170 /* ATTR_IIDIS */ { 0, 0, 0, 0, 1, 0, 0, 0, 0, 1, 0, 0, 0, 0, "iid_is" }, 2171 /* ATTR_IMMEDIATEBIND */ { 0, 0, 0, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, "immediatebind" }, 2172 /* ATTR_IMPLICIT_HANDLE */ { 1, 1, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, "implicit_handle" }, 2173 /* ATTR_IN */ { 0, 0, 0, 0, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, "in" }, 2174 /* ATTR_INLINE */ { 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, "inline" }, 2175 /* ATTR_INPUTSYNC */ { 0, 0, 0, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, "inputsync" }, 2176 /* ATTR_LENGTHIS */ { 0, 0, 0, 0, 1, 0, 0, 0, 0, 1, 0, 0, 0, 0, "length_is" }, 2177 /* ATTR_LIBLCID */ { 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 1, 0, 0, 0, "lcid" }, 2178 /* ATTR_LICENSED */ { 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 1, "licensed" }, 2179 /* ATTR_LOCAL */ { 1, 0, 1, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, "local" }, 2180 /* ATTR_MAYBE */ { 0, 0, 0, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, "maybe" }, 2181 /* ATTR_MESSAGE */ { 0, 0, 0, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, "message" }, 2182 /* ATTR_NOCODE */ { 0, 1, 1, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, "nocode" }, 2183 /* ATTR_NONBROWSABLE */ { 0, 0, 0, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, "nonbrowsable" }, 2184 /* ATTR_NONCREATABLE */ { 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 1, "noncreatable" }, 2185 /* ATTR_NONEXTENSIBLE */ { 0, 0, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, "nonextensible" }, 2186 /* ATTR_NOTIFY */ { 0, 0, 0, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, "notify" }, 2187 /* ATTR_NOTIFYFLAG */ { 0, 0, 0, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, "notify_flag" }, 2188 /* ATTR_OBJECT */ { 0, 0, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, "object" }, 2189 /* ATTR_ODL */ { 0, 0, 1, 0, 0, 0, 0, 0, 0, 0, 0, 1, 0, 0, "odl" }, 2190 /* ATTR_OLEAUTOMATION */ { 0, 0, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, "oleautomation" }, 2191 /* ATTR_OPTIMIZE */ { 0, 0, 1, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, "optimize" }, 2192 /* ATTR_OPTIONAL */ { 0, 0, 0, 0, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, "optional" }, 2193 /* ATTR_OUT */ { 1, 0, 0, 0, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, "out" }, 2194 /* ATTR_PARAMLCID */ { 0, 0, 0, 0, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, "lcid" }, 2195 /* ATTR_PARTIALIGNORE */ { 0, 0, 0, 0, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, "partial_ignore" }, 2196 /* ATTR_POINTERDEFAULT */ { 1, 0, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, "pointer_default" }, 2197 /* ATTR_POINTERTYPE */ { 1, 0, 0, 0, 1, 1, 0, 0, 0, 1, 0, 0, 0, 0, "ref, unique or ptr" }, 2198 /* ATTR_PROGID */ { 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 1, "progid" }, 2199 /* ATTR_PROPGET */ { 0, 0, 0, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, "propget" }, 2200 /* ATTR_PROPPUT */ { 0, 0, 0, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, "propput" }, 2201 /* ATTR_PROPPUTREF */ { 0, 0, 0, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, "propputref" }, 2202 /* ATTR_PROXY */ { 0, 0, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, "proxy" }, 2203 /* ATTR_PUBLIC */ { 0, 0, 0, 0, 0, 1, 0, 0, 0, 0, 0, 0, 0, 0, "public" }, 2204 /* ATTR_RANGE */ { 0, 0, 0, 0, 1, 1, 1, 0, 0, 1, 0, 0, 0, 0, "range" }, 2205 /* ATTR_READONLY */ { 0, 0, 0, 0, 1, 0, 0, 0, 0, 1, 0, 0, 0, 0, "readonly" }, 2206 /* ATTR_REPRESENTAS */ { 1, 0, 0, 0, 0, 1, 0, 0, 0, 0, 0, 0, 0, 0, "represent_as" }, 2207 /* ATTR_REQUESTEDIT */ { 0, 0, 0, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, "requestedit" }, 2208 /* ATTR_RESTRICTED */ { 0, 0, 1, 1, 0, 1, 1, 1, 0, 0, 1, 1, 1, 0, "restricted" }, 2209 /* ATTR_RETVAL */ { 0, 0, 0, 0, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, "retval" }, 2210 /* ATTR_SIZEIS */ { 0, 0, 0, 0, 1, 0, 0, 0, 0, 1, 0, 0, 0, 0, "size_is" }, 2211 /* ATTR_SOURCE */ { 0, 0, 1, 1, 0, 0, 0, 0, 0, 0, 0, 1, 0, 0, "source" }, 2212 /* ATTR_STRICTCONTEXTHANDLE */ { 0, 0, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, "strict_context_handle" }, 2213 /* ATTR_STRING */ { 1, 0, 0, 1, 1, 1, 0, 0, 0, 1, 0, 0, 0, 0, "string" }, 2214 /* ATTR_SWITCHIS */ { 1, 0, 0, 0, 1, 0, 0, 0, 0, 1, 0, 0, 0, 0, "switch_is" }, 2215 /* ATTR_SWITCHTYPE */ { 1, 0, 0, 0, 0, 1, 0, 0, 0, 1, 0, 0, 0, 0, "switch_type" }, 2216 /* ATTR_THREADING */ { 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 1, "threading" }, 2217 /* ATTR_TRANSMITAS */ { 1, 0, 0, 0, 0, 1, 0, 0, 0, 0, 0, 0, 0, 0, "transmit_as" }, 2218 /* ATTR_UIDEFAULT */ { 0, 0, 0, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, "uidefault" }, 2219 /* ATTR_USESGETLASTERROR */ { 0, 0, 0, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, "usesgetlasterror" }, 2220 /* ATTR_USERMARSHAL */ { 0, 0, 0, 0, 0, 1, 0, 0, 0, 0, 0, 0, 0, 0, "user_marshal" }, 2221 /* ATTR_UUID */ { 1, 0, 1, 0, 0, 1, 1, 1, 0, 0, 1, 1, 1, 1, "uuid" }, 2222 /* ATTR_V1ENUM */ { 0, 0, 0, 0, 0, 1, 1, 0, 0, 0, 0, 0, 0, 0, "v1_enum" }, 2223 /* ATTR_VARARG */ { 0, 0, 0, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, "vararg" }, 2224 /* ATTR_VERSION */ { 1, 0, 1, 0, 0, 1, 1, 2, 0, 0, 1, 0, 0, 1, "version" }, 2225 /* ATTR_VIPROGID */ { 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 1, "vi_progid" }, 2226 /* ATTR_WIREMARSHAL */ { 1, 0, 0, 0, 0, 1, 0, 0, 0, 0, 0, 0, 0, 0, "wire_marshal" }, 2227 }; 2228 2229 const char *get_attr_display_name(enum attr_type type) 2230 { 2231 return allowed_attr[type].display_name; 2232 } 2233 2234 static attr_list_t *check_iface_attrs(const char *name, attr_list_t *attrs) 2235 { 2236 const attr_t *attr; 2237 if (!attrs) return attrs; 2238 LIST_FOR_EACH_ENTRY(attr, attrs, const attr_t, entry) 2239 { 2240 if (!allowed_attr[attr->type].on_interface) 2241 error_loc("inapplicable attribute %s for interface %s\n", 2242 allowed_attr[attr->type].display_name, name); 2243 if (attr->type == ATTR_IMPLICIT_HANDLE) 2244 { 2245 const var_t *var = attr->u.pval; 2246 if (type_get_type( var->type) == TYPE_BASIC && 2247 type_basic_get_type( var->type ) == TYPE_BASIC_HANDLE) 2248 continue; 2249 if (is_aliaschain_attr( var->type, ATTR_HANDLE )) 2250 continue; 2251 error_loc("attribute %s requires a handle type in interface %s\n", 2252 allowed_attr[attr->type].display_name, name); 2253 } 2254 } 2255 return attrs; 2256 } 2257 2258 static attr_list_t *check_function_attrs(const char *name, attr_list_t *attrs) 2259 { 2260 const attr_t *attr; 2261 if (!attrs) return attrs; 2262 LIST_FOR_EACH_ENTRY(attr, attrs, const attr_t, entry) 2263 { 2264 if (!allowed_attr[attr->type].on_function) 2265 error_loc("inapplicable attribute %s for function %s\n", 2266 allowed_attr[attr->type].display_name, name); 2267 } 2268 return attrs; 2269 } 2270 2271 static void check_arg_attrs(const var_t *arg) 2272 { 2273 const attr_t *attr; 2274 2275 if (arg->attrs) 2276 { 2277 LIST_FOR_EACH_ENTRY(attr, arg->attrs, const attr_t, entry) 2278 { 2279 if (!allowed_attr[attr->type].on_arg) 2280 error_loc("inapplicable attribute %s for argument %s\n", 2281 allowed_attr[attr->type].display_name, arg->name); 2282 } 2283 } 2284 } 2285 2286 static attr_list_t *check_typedef_attrs(attr_list_t *attrs) 2287 { 2288 const attr_t *attr; 2289 if (!attrs) return attrs; 2290 LIST_FOR_EACH_ENTRY(attr, attrs, const attr_t, entry) 2291 { 2292 if (!allowed_attr[attr->type].on_type) 2293 error_loc("inapplicable attribute %s for typedef\n", 2294 allowed_attr[attr->type].display_name); 2295 } 2296 return attrs; 2297 } 2298 2299 static attr_list_t *check_enum_attrs(attr_list_t *attrs) 2300 { 2301 const attr_t *attr; 2302 if (!attrs) return attrs; 2303 LIST_FOR_EACH_ENTRY(attr, attrs, const attr_t, entry) 2304 { 2305 if (!allowed_attr[attr->type].on_enum) 2306 error_loc("inapplicable attribute %s for enum\n", 2307 allowed_attr[attr->type].display_name); 2308 } 2309 return attrs; 2310 } 2311 2312 static attr_list_t *check_struct_attrs(attr_list_t *attrs) 2313 { 2314 int mask = winrt_mode ? 3 : 1; 2315 const attr_t *attr; 2316 if (!attrs) return attrs; 2317 LIST_FOR_EACH_ENTRY(attr, attrs, const attr_t, entry) 2318 { 2319 if (!(allowed_attr[attr->type].on_struct & mask)) 2320 error_loc("inapplicable attribute %s for struct\n", 2321 allowed_attr[attr->type].display_name); 2322 } 2323 return attrs; 2324 } 2325 2326 static attr_list_t *check_union_attrs(attr_list_t *attrs) 2327 { 2328 const attr_t *attr; 2329 if (!attrs) return attrs; 2330 LIST_FOR_EACH_ENTRY(attr, attrs, const attr_t, entry) 2331 { 2332 if (!allowed_attr[attr->type].on_union) 2333 error_loc("inapplicable attribute %s for union\n", 2334 allowed_attr[attr->type].display_name); 2335 } 2336 return attrs; 2337 } 2338 2339 static attr_list_t *check_field_attrs(const char *name, attr_list_t *attrs) 2340 { 2341 const attr_t *attr; 2342 if (!attrs) return attrs; 2343 LIST_FOR_EACH_ENTRY(attr, attrs, const attr_t, entry) 2344 { 2345 if (!allowed_attr[attr->type].on_field) 2346 error_loc("inapplicable attribute %s for field %s\n", 2347 allowed_attr[attr->type].display_name, name); 2348 } 2349 return attrs; 2350 } 2351 2352 static attr_list_t *check_library_attrs(const char *name, attr_list_t *attrs) 2353 { 2354 const attr_t *attr; 2355 if (!attrs) return attrs; 2356 LIST_FOR_EACH_ENTRY(attr, attrs, const attr_t, entry) 2357 { 2358 if (!allowed_attr[attr->type].on_library) 2359 error_loc("inapplicable attribute %s for library %s\n", 2360 allowed_attr[attr->type].display_name, name); 2361 } 2362 return attrs; 2363 } 2364 2365 static attr_list_t *check_dispiface_attrs(const char *name, attr_list_t *attrs) 2366 { 2367 const attr_t *attr; 2368 if (!attrs) return attrs; 2369 LIST_FOR_EACH_ENTRY(attr, attrs, const attr_t, entry) 2370 { 2371 if (!allowed_attr[attr->type].on_dispinterface) 2372 error_loc("inapplicable attribute %s for dispinterface %s\n", 2373 allowed_attr[attr->type].display_name, name); 2374 } 2375 return attrs; 2376 } 2377 2378 static attr_list_t *check_module_attrs(const char *name, attr_list_t *attrs) 2379 { 2380 const attr_t *attr; 2381 if (!attrs) return attrs; 2382 LIST_FOR_EACH_ENTRY(attr, attrs, const attr_t, entry) 2383 { 2384 if (!allowed_attr[attr->type].on_module) 2385 error_loc("inapplicable attribute %s for module %s\n", 2386 allowed_attr[attr->type].display_name, name); 2387 } 2388 return attrs; 2389 } 2390 2391 static attr_list_t *check_coclass_attrs(const char *name, attr_list_t *attrs) 2392 { 2393 const attr_t *attr; 2394 if (!attrs) return attrs; 2395 LIST_FOR_EACH_ENTRY(attr, attrs, const attr_t, entry) 2396 { 2397 if (!allowed_attr[attr->type].on_coclass) 2398 error_loc("inapplicable attribute %s for coclass %s\n", 2399 allowed_attr[attr->type].display_name, name); 2400 } 2401 return attrs; 2402 } 2403 2404 static int is_allowed_conf_type(const type_t *type) 2405 { 2406 switch (type_get_type(type)) 2407 { 2408 case TYPE_ENUM: 2409 return TRUE; 2410 case TYPE_BASIC: 2411 switch (type_basic_get_type(type)) 2412 { 2413 case TYPE_BASIC_INT8: 2414 case TYPE_BASIC_INT16: 2415 case TYPE_BASIC_INT32: 2416 case TYPE_BASIC_INT64: 2417 case TYPE_BASIC_INT: 2418 case TYPE_BASIC_CHAR: 2419 case TYPE_BASIC_HYPER: 2420 case TYPE_BASIC_BYTE: 2421 case TYPE_BASIC_WCHAR: 2422 return TRUE; 2423 default: 2424 return FALSE; 2425 } 2426 case TYPE_ALIAS: 2427 /* shouldn't get here because of type_get_type call above */ 2428 assert(0); 2429 /* fall through */ 2430 case TYPE_STRUCT: 2431 case TYPE_UNION: 2432 case TYPE_ENCAPSULATED_UNION: 2433 case TYPE_ARRAY: 2434 case TYPE_POINTER: 2435 case TYPE_VOID: 2436 case TYPE_MODULE: 2437 case TYPE_COCLASS: 2438 case TYPE_FUNCTION: 2439 case TYPE_INTERFACE: 2440 case TYPE_BITFIELD: 2441 return FALSE; 2442 } 2443 return FALSE; 2444 } 2445 2446 static int is_ptr_guid_type(const type_t *type) 2447 { 2448 /* first, make sure it is a pointer to something */ 2449 if (!is_ptr(type)) return FALSE; 2450 2451 /* second, make sure it is a pointer to something of size sizeof(GUID), 2452 * i.e. 16 bytes */ 2453 return (type_memsize(type_pointer_get_ref(type)) == 16); 2454 } 2455 2456 static void check_conformance_expr_list(const char *attr_name, const var_t *arg, const type_t *container_type, expr_list_t *expr_list) 2457 { 2458 expr_t *dim; 2459 struct expr_loc expr_loc; 2460 expr_loc.v = arg; 2461 expr_loc.attr = attr_name; 2462 if (expr_list) LIST_FOR_EACH_ENTRY(dim, expr_list, expr_t, entry) 2463 { 2464 if (dim->type != EXPR_VOID) 2465 { 2466 const type_t *expr_type = expr_resolve_type(&expr_loc, container_type, dim); 2467 if (!is_allowed_conf_type(expr_type)) 2468 error_loc_info(&arg->loc_info, "expression must resolve to integral type <= 32bits for attribute %s\n", 2469 attr_name); 2470 } 2471 } 2472 } 2473 2474 static void check_remoting_fields(const var_t *var, type_t *type); 2475 2476 /* checks that properties common to fields and arguments are consistent */ 2477 static void check_field_common(const type_t *container_type, 2478 const char *container_name, const var_t *arg) 2479 { 2480 type_t *type = arg->type; 2481 int more_to_do; 2482 const char *container_type_name; 2483 const char *var_type; 2484 2485 switch (type_get_type(container_type)) 2486 { 2487 case TYPE_STRUCT: 2488 container_type_name = "struct"; 2489 var_type = "field"; 2490 break; 2491 case TYPE_UNION: 2492 container_type_name = "union"; 2493 var_type = "arm"; 2494 break; 2495 case TYPE_ENCAPSULATED_UNION: 2496 container_type_name = "encapsulated union"; 2497 var_type = "arm"; 2498 break; 2499 case TYPE_FUNCTION: 2500 container_type_name = "function"; 2501 var_type = "parameter"; 2502 break; 2503 default: 2504 /* should be no other container types */ 2505 assert(0); 2506 return; 2507 } 2508 2509 if (is_attr(arg->attrs, ATTR_LENGTHIS) && 2510 (is_attr(arg->attrs, ATTR_STRING) || is_aliaschain_attr(arg->type, ATTR_STRING))) 2511 error_loc_info(&arg->loc_info, 2512 "string and length_is specified for argument %s are mutually exclusive attributes\n", 2513 arg->name); 2514 2515 if (is_attr(arg->attrs, ATTR_SIZEIS)) 2516 { 2517 expr_list_t *size_is_exprs = get_attrp(arg->attrs, ATTR_SIZEIS); 2518 check_conformance_expr_list("size_is", arg, container_type, size_is_exprs); 2519 } 2520 if (is_attr(arg->attrs, ATTR_LENGTHIS)) 2521 { 2522 expr_list_t *length_is_exprs = get_attrp(arg->attrs, ATTR_LENGTHIS); 2523 check_conformance_expr_list("length_is", arg, container_type, length_is_exprs); 2524 } 2525 if (is_attr(arg->attrs, ATTR_IIDIS)) 2526 { 2527 struct expr_loc expr_loc; 2528 expr_t *expr = get_attrp(arg->attrs, ATTR_IIDIS); 2529 if (expr->type != EXPR_VOID) 2530 { 2531 const type_t *expr_type; 2532 expr_loc.v = arg; 2533 expr_loc.attr = "iid_is"; 2534 expr_type = expr_resolve_type(&expr_loc, container_type, expr); 2535 if (!expr_type || !is_ptr_guid_type(expr_type)) 2536 error_loc_info(&arg->loc_info, "expression must resolve to pointer to GUID type for attribute iid_is\n"); 2537 } 2538 } 2539 if (is_attr(arg->attrs, ATTR_SWITCHIS)) 2540 { 2541 struct expr_loc expr_loc; 2542 expr_t *expr = get_attrp(arg->attrs, ATTR_SWITCHIS); 2543 if (expr->type != EXPR_VOID) 2544 { 2545 const type_t *expr_type; 2546 expr_loc.v = arg; 2547 expr_loc.attr = "switch_is"; 2548 expr_type = expr_resolve_type(&expr_loc, container_type, expr); 2549 if (!expr_type || !is_allowed_conf_type(expr_type)) 2550 error_loc_info(&arg->loc_info, "expression must resolve to integral type <= 32bits for attribute %s\n", 2551 expr_loc.attr); 2552 } 2553 } 2554 2555 do 2556 { 2557 more_to_do = FALSE; 2558 2559 switch (typegen_detect_type(type, arg->attrs, TDT_IGNORE_STRINGS)) 2560 { 2561 case TGT_STRUCT: 2562 case TGT_UNION: 2563 check_remoting_fields(arg, type); 2564 break; 2565 case TGT_INVALID: 2566 { 2567 const char *reason = "is invalid"; 2568 switch (type_get_type(type)) 2569 { 2570 case TYPE_VOID: 2571 reason = "cannot derive from void *"; 2572 break; 2573 case TYPE_FUNCTION: 2574 reason = "cannot be a function pointer"; 2575 break; 2576 case TYPE_BITFIELD: 2577 reason = "cannot be a bit-field"; 2578 break; 2579 case TYPE_COCLASS: 2580 reason = "cannot be a class"; 2581 break; 2582 case TYPE_INTERFACE: 2583 reason = "cannot be a non-pointer to an interface"; 2584 break; 2585 case TYPE_MODULE: 2586 reason = "cannot be a module"; 2587 break; 2588 default: 2589 break; 2590 } 2591 error_loc_info(&arg->loc_info, "%s \'%s\' of %s \'%s\' %s\n", 2592 var_type, arg->name, container_type_name, container_name, reason); 2593 break; 2594 } 2595 case TGT_CTXT_HANDLE: 2596 case TGT_CTXT_HANDLE_POINTER: 2597 if (type_get_type(container_type) != TYPE_FUNCTION) 2598 error_loc_info(&arg->loc_info, 2599 "%s \'%s\' of %s \'%s\' cannot be a context handle\n", 2600 var_type, arg->name, container_type_name, 2601 container_name); 2602 break; 2603 case TGT_STRING: 2604 { 2605 const type_t *t = type; 2606 while (is_ptr(t)) 2607 t = type_pointer_get_ref(t); 2608 if (is_aliaschain_attr(t, ATTR_RANGE)) 2609 warning_loc_info(&arg->loc_info, "%s: range not verified for a string of ranged types\n", arg->name); 2610 break; 2611 } 2612 case TGT_POINTER: 2613 type = type_pointer_get_ref(type); 2614 more_to_do = TRUE; 2615 break; 2616 case TGT_ARRAY: 2617 type = type_array_get_element(type); 2618 more_to_do = TRUE; 2619 break; 2620 case TGT_USER_TYPE: 2621 case TGT_IFACE_POINTER: 2622 case TGT_BASIC: 2623 case TGT_ENUM: 2624 case TGT_RANGE: 2625 /* nothing to do */ 2626 break; 2627 } 2628 } while (more_to_do); 2629 } 2630 2631 static void check_remoting_fields(const var_t *var, type_t *type) 2632 { 2633 const var_t *field; 2634 const var_list_t *fields = NULL; 2635 2636 type = type_get_real_type(type); 2637 2638 if (type->checked) 2639 return; 2640 2641 type->checked = TRUE; 2642 2643 if (type_get_type(type) == TYPE_STRUCT) 2644 { 2645 if (type_is_complete(type)) 2646 fields = type_struct_get_fields(type); 2647 else 2648 error_loc_info(&var->loc_info, "undefined type declaration %s\n", type->name); 2649 } 2650 else if (type_get_type(type) == TYPE_UNION || type_get_type(type) == TYPE_ENCAPSULATED_UNION) 2651 fields = type_union_get_cases(type); 2652 2653 if (fields) LIST_FOR_EACH_ENTRY( field, fields, const var_t, entry ) 2654 if (field->type) check_field_common(type, type->name, field); 2655 } 2656 2657 /* checks that arguments for a function make sense for marshalling and unmarshalling */ 2658 static void check_remoting_args(const var_t *func) 2659 { 2660 const char *funcname = func->name; 2661 const var_t *arg; 2662 2663 if (func->type->details.function->args) LIST_FOR_EACH_ENTRY( arg, func->type->details.function->args, const var_t, entry ) 2664 { 2665 const type_t *type = arg->type; 2666 2667 /* check that [out] parameters have enough pointer levels */ 2668 if (is_attr(arg->attrs, ATTR_OUT)) 2669 { 2670 switch (typegen_detect_type(type, arg->attrs, TDT_ALL_TYPES)) 2671 { 2672 case TGT_BASIC: 2673 case TGT_ENUM: 2674 case TGT_RANGE: 2675 case TGT_STRUCT: 2676 case TGT_UNION: 2677 case TGT_CTXT_HANDLE: 2678 case TGT_USER_TYPE: 2679 error_loc_info(&arg->loc_info, "out parameter \'%s\' of function \'%s\' is not a pointer\n", arg->name, funcname); 2680 break; 2681 case TGT_IFACE_POINTER: 2682 error_loc_info(&arg->loc_info, "out interface pointer \'%s\' of function \'%s\' is not a double pointer\n", arg->name, funcname); 2683 break; 2684 case TGT_STRING: 2685 if (is_array(type)) 2686 { 2687 /* needs conformance or fixed dimension */ 2688 if (type_array_has_conformance(type) && 2689 type_array_get_conformance(type)->type != EXPR_VOID) break; 2690 if (!type_array_has_conformance(type) && type_array_get_dim(type)) break; 2691 } 2692 if (is_attr( arg->attrs, ATTR_IN )) break; 2693 error_loc_info(&arg->loc_info, "out parameter \'%s\' of function \'%s\' cannot be an unsized string\n", arg->name, funcname); 2694 break; 2695 case TGT_INVALID: 2696 /* already error'd before we get here */ 2697 case TGT_CTXT_HANDLE_POINTER: 2698 case TGT_POINTER: 2699 case TGT_ARRAY: 2700 /* OK */ 2701 break; 2702 } 2703 } 2704 2705 check_field_common(func->type, funcname, arg); 2706 } 2707 2708 if (type_get_type(type_function_get_rettype(func->type)) != TYPE_VOID) 2709 { 2710 var_t var; 2711 var = *func; 2712 var.type = type_function_get_rettype(func->type); 2713 var.name = xstrdup("return value"); 2714 check_field_common(func->type, funcname, &var); 2715 free(var.name); 2716 } 2717 } 2718 2719 static void add_explicit_handle_if_necessary(const type_t *iface, var_t *func) 2720 { 2721 unsigned char explicit_fc, implicit_fc; 2722 2723 /* check for a defined binding handle */ 2724 if (!get_func_handle_var( iface, func, &explicit_fc, &implicit_fc ) || !explicit_fc) 2725 { 2726 /* no explicit handle specified so add 2727 * "[in] handle_t IDL_handle" as the first parameter to the 2728 * function */ 2729 var_t *idl_handle = make_var(xstrdup("IDL_handle")); 2730 idl_handle->attrs = append_attr(NULL, make_attr(ATTR_IN)); 2731 idl_handle->type = find_type_or_error("handle_t", 0); 2732 type_function_add_head_arg(func->type, idl_handle); 2733 } 2734 } 2735 2736 static void check_functions(const type_t *iface, int is_inside_library) 2737 { 2738 const statement_t *stmt; 2739 if (is_attr(iface->attrs, ATTR_EXPLICIT_HANDLE)) 2740 { 2741 STATEMENTS_FOR_EACH_FUNC( stmt, type_iface_get_stmts(iface) ) 2742 { 2743 var_t *func = stmt->u.var; 2744 add_explicit_handle_if_necessary(iface, func); 2745 } 2746 } 2747 if (!is_inside_library && !is_attr(iface->attrs, ATTR_LOCAL)) 2748 { 2749 STATEMENTS_FOR_EACH_FUNC( stmt, type_iface_get_stmts(iface) ) 2750 { 2751 const var_t *func = stmt->u.var; 2752 if (!is_attr(func->attrs, ATTR_LOCAL)) 2753 check_remoting_args(func); 2754 } 2755 } 2756 } 2757 2758 static void check_statements(const statement_list_t *stmts, int is_inside_library) 2759 { 2760 const statement_t *stmt; 2761 2762 if (stmts) LIST_FOR_EACH_ENTRY(stmt, stmts, const statement_t, entry) 2763 { 2764 switch(stmt->type) { 2765 case STMT_LIBRARY: 2766 check_statements(stmt->u.lib->stmts, TRUE); 2767 break; 2768 case STMT_TYPE: 2769 switch(type_get_type(stmt->u.type)) { 2770 case TYPE_INTERFACE: 2771 check_functions(stmt->u.type, is_inside_library); 2772 break; 2773 case TYPE_COCLASS: 2774 if(winrt_mode) 2775 error_loc("coclass is not allowed in Windows Runtime mode\n"); 2776 break; 2777 default: 2778 break; 2779 } 2780 break; 2781 default: 2782 break; 2783 } 2784 } 2785 } 2786 2787 static void check_all_user_types(const statement_list_t *stmts) 2788 { 2789 const statement_t *stmt; 2790 2791 if (stmts) LIST_FOR_EACH_ENTRY(stmt, stmts, const statement_t, entry) 2792 { 2793 if (stmt->type == STMT_LIBRARY) 2794 check_all_user_types(stmt->u.lib->stmts); 2795 else if (stmt->type == STMT_TYPE && type_get_type(stmt->u.type) == TYPE_INTERFACE && 2796 !is_local(stmt->u.type->attrs)) 2797 { 2798 const statement_t *stmt_func; 2799 STATEMENTS_FOR_EACH_FUNC(stmt_func, type_iface_get_stmts(stmt->u.type)) { 2800 const var_t *func = stmt_func->u.var; 2801 check_for_additional_prototype_types(func->type->details.function->args); 2802 } 2803 } 2804 } 2805 } 2806 2807 int is_valid_uuid(const char *s) 2808 { 2809 int i; 2810 2811 for (i = 0; i < 36; ++i) 2812 if (i == 8 || i == 13 || i == 18 || i == 23) 2813 { 2814 if (s[i] != '-') 2815 return FALSE; 2816 } 2817 else 2818 if (!isxdigit(s[i])) 2819 return FALSE; 2820 2821 return s[i] == '\0'; 2822 } 2823 2824 static statement_t *make_statement(enum statement_type type) 2825 { 2826 statement_t *stmt = xmalloc(sizeof(*stmt)); 2827 stmt->type = type; 2828 return stmt; 2829 } 2830 2831 static statement_t *make_statement_type_decl(type_t *type) 2832 { 2833 statement_t *stmt = make_statement(STMT_TYPE); 2834 stmt->u.type = type; 2835 return stmt; 2836 } 2837 2838 static statement_t *make_statement_reference(type_t *type) 2839 { 2840 statement_t *stmt = make_statement(STMT_TYPEREF); 2841 stmt->u.type = type; 2842 return stmt; 2843 } 2844 2845 static statement_t *make_statement_declaration(var_t *var) 2846 { 2847 statement_t *stmt = make_statement(STMT_DECLARATION); 2848 stmt->u.var = var; 2849 if (var->stgclass == STG_EXTERN && var->eval) 2850 warning("'%s' initialised and declared extern\n", var->name); 2851 if (is_const_decl(var)) 2852 { 2853 if (var->eval) 2854 reg_const(var); 2855 } 2856 else if (type_get_type(var->type) == TYPE_FUNCTION) 2857 check_function_attrs(var->name, var->attrs); 2858 else if (var->stgclass == STG_NONE || var->stgclass == STG_REGISTER) 2859 error_loc("instantiation of data is illegal\n"); 2860 return stmt; 2861 } 2862 2863 static statement_t *make_statement_library(typelib_t *typelib) 2864 { 2865 statement_t *stmt = make_statement(STMT_LIBRARY); 2866 stmt->u.lib = typelib; 2867 return stmt; 2868 } 2869 2870 static statement_t *make_statement_pragma(const char *str) 2871 { 2872 statement_t *stmt = make_statement(STMT_PRAGMA); 2873 stmt->u.str = str; 2874 return stmt; 2875 } 2876 2877 static statement_t *make_statement_cppquote(const char *str) 2878 { 2879 statement_t *stmt = make_statement(STMT_CPPQUOTE); 2880 stmt->u.str = str; 2881 return stmt; 2882 } 2883 2884 static statement_t *make_statement_importlib(const char *str) 2885 { 2886 statement_t *stmt = make_statement(STMT_IMPORTLIB); 2887 stmt->u.str = str; 2888 return stmt; 2889 } 2890 2891 static statement_t *make_statement_import(const char *str) 2892 { 2893 statement_t *stmt = make_statement(STMT_IMPORT); 2894 stmt->u.str = str; 2895 return stmt; 2896 } 2897 2898 static statement_t *make_statement_module(type_t *type) 2899 { 2900 statement_t *stmt = make_statement(STMT_MODULE); 2901 stmt->u.type = type; 2902 return stmt; 2903 } 2904 2905 static statement_t *make_statement_typedef(declarator_list_t *decls) 2906 { 2907 declarator_t *decl, *next; 2908 statement_t *stmt; 2909 type_list_t **type_list; 2910 2911 if (!decls) return NULL; 2912 2913 stmt = make_statement(STMT_TYPEDEF); 2914 stmt->u.type_list = NULL; 2915 type_list = &stmt->u.type_list; 2916 2917 LIST_FOR_EACH_ENTRY_SAFE( decl, next, decls, declarator_t, entry ) 2918 { 2919 var_t *var = decl->var; 2920 type_t *type = find_type_or_error(var->name, 0); 2921 *type_list = xmalloc(sizeof(type_list_t)); 2922 (*type_list)->type = type; 2923 (*type_list)->next = NULL; 2924 2925 type_list = &(*type_list)->next; 2926 free(decl); 2927 free(var); 2928 } 2929 2930 return stmt; 2931 } 2932 2933 static statement_list_t *append_statements(statement_list_t *l1, statement_list_t *l2) 2934 { 2935 if (!l2) return l1; 2936 if (!l1 || l1 == l2) return l2; 2937 list_move_tail (l1, l2); 2938 return l1; 2939 } 2940 2941 static attr_list_t *append_attribs(attr_list_t *l1, attr_list_t *l2) 2942 { 2943 if (!l2) return l1; 2944 if (!l1 || l1 == l2) return l2; 2945 list_move_tail (l1, l2); 2946 return l1; 2947 } 2948 2949 static statement_list_t *append_statement(statement_list_t *list, statement_t *stmt) 2950 { 2951 if (!stmt) return list; 2952 if (!list) 2953 { 2954 list = xmalloc( sizeof(*list) ); 2955 list_init( list ); 2956 } 2957 list_add_tail( list, &stmt->entry ); 2958 return list; 2959 } 2960 2961 void init_loc_info(loc_info_t *i) 2962 { 2963 i->input_name = input_name ? input_name : "stdin"; 2964 i->line_number = line_number; 2965 i->near_text = parser_text; 2966 } 2967 2968 static void check_def(const type_t *t) 2969 { 2970 if (t->defined) 2971 error_loc("%s: redefinition error; original definition was at %s:%d\n", 2972 t->name, t->loc_info.input_name, t->loc_info.line_number); 2973 } 2974