5 * Copyright 2002 Ove Kaaven
7 * This library is free software; you can redistribute it and/or
8 * modify it under the terms of the GNU Lesser General Public
9 * License as published by the Free Software Foundation; either
10 * version 2.1 of the License, or (at your option) any later version.
12 * This library is distributed in the hope that it will be useful,
13 * but WITHOUT ANY WARRANTY; without even the implied warranty of
14 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
15 * Lesser General Public License for more details.
17 * You should have received a copy of the GNU Lesser General Public
18 * License along with this library; if not, write to the Free Software
19 * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA
43 /* Berkeley yacc (byacc) doesn't seem to know about these */
44 /* Some *BSD supplied versions do define these though */
46 # define YYEMPTY (-1) /* Empty lookahead value of yychar */
49 # define YYLEX yylex()
52 #elif defined(YYBISON)
53 /* Bison was used for original development */
54 /* #define YYEMPTY -2 */
55 /* #define YYLEX yylex() */
58 /* No yacc we know yet */
59 # if !defined(YYEMPTY) || !defined(YYLEX)
60 # error Yacc version/type unknown. This version needs to be verified for settings of YYEMPTY and YYLEX.
61 # elif defined(__GNUC__) /* gcc defines the #warning directive */
62 # warning Yacc version/type unknown. It defines YYEMPTY and YYLEX, but is not tested
63 /* #else we just take a chance that it works... */
67 static attr_t *make_attr(enum attr_type type);
68 static attr_t *make_attrv(enum attr_type type, unsigned long val);
69 static attr_t *make_attrp(enum attr_type type, void *val);
70 static expr_t *make_expr(enum expr_type type);
71 static expr_t *make_exprl(enum expr_type type, long val);
72 static expr_t *make_exprs(enum expr_type type, char *val);
73 static expr_t *make_exprt(enum expr_type type, typeref_t *tref, expr_t *expr);
74 static expr_t *make_expr1(enum expr_type type, expr_t *expr);
75 static expr_t *make_expr2(enum expr_type type, expr_t *exp1, expr_t *exp2);
76 static expr_t *make_expr3(enum expr_type type, expr_t *expr1, expr_t *expr2, expr_t *expr3);
77 static type_t *make_type(unsigned char type, type_t *ref);
78 static typeref_t *make_tref(char *name, type_t *ref);
79 static typeref_t *uniq_tref(typeref_t *ref);
80 static type_t *type_ref(typeref_t *ref);
81 static void set_type(var_t *v, typeref_t *ref, expr_t *arr);
82 static ifref_t *make_ifref(type_t *iface);
83 static var_t *make_var(char *name);
84 static func_t *make_func(var_t *def, var_t *args);
85 static class_t *make_class(char *name);
87 static type_t *reg_type(type_t *type, const char *name, int t);
88 static type_t *reg_types(type_t *type, var_t *names, int t);
89 static type_t *find_type(const char *name, int t);
90 static type_t *find_type2(char *name, int t);
91 static type_t *get_type(unsigned char type, char *name, int t);
92 static type_t *get_typev(unsigned char type, var_t *name, int t);
93 static int get_struct_type(var_t *fields);
95 static var_t *reg_const(var_t *var);
96 static var_t *find_const(char *name, int f);
102 static type_t std_bool = { "boolean" };
103 static type_t std_int = { "int" };
104 static type_t std_int64 = { "__int64" };
105 static type_t std_uhyper = { "MIDL_uhyper" };
122 %token <str> aIDENTIFIER
123 %token <str> aKNOWNTYPE
124 %token <num> aNUM aHEXNUM
129 %token tAGGREGATABLE tALLOCATE tAPPOBJECT tASYNC tASYNCUUID
130 %token tAUTOHANDLE tBINDABLE tBOOLEAN tBROADCAST tBYTE tBYTECOUNT
131 %token tCALLAS tCALLBACK tCASE tCDECL tCHAR tCOCLASS tCODE tCOMMSTATUS
132 %token tCONST tCONTEXTHANDLE tCONTEXTHANDLENOSERIALIZE
133 %token tCONTEXTHANDLESERIALIZE tCONTROL tCPPQUOTE
135 %token tDEFAULTCOLLELEM
137 %token tDEFAULTVTABLE
139 %token tDISPINTERFACE
140 %token tDLLNAME tDOUBLE tDUAL
142 %token tENTRY tENUM tERRORSTATUST
143 %token tEXPLICITHANDLE tEXTERN
147 %token tHELPCONTEXT tHELPFILE
148 %token tHELPSTRING tHELPSTRINGCONTEXT tHELPSTRINGDLL
150 %token tHYPER tID tIDEMPOTENT
152 %token tIMMEDIATEBIND
153 %token tIMPLICITHANDLE
154 %token tIMPORT tIMPORTLIB
160 %token tLENGTHIS tLIBRARY
167 %token tNONEXTENSIBLE
168 %token tOBJECT tODL tOLEAUTOMATION
171 %token tPOINTERDEFAULT
173 %token tPROPGET tPROPPUT tPROPPUTREF
177 %token tREADONLY tREF
184 %token tSIZEIS tSIZEOF
188 %token tSTRING tSTRUCT
189 %token tSWITCH tSWITCHIS tSWITCHTYPE
200 %token tWCHAR tWIREMARSHAL
202 %type <attr> m_attributes attributes attrib_list attribute
203 %type <expr> m_exprs /* exprs expr_list */ m_expr expr expr_list_const expr_const
204 %type <expr> array array_list
205 %type <type> inherit interface interfacehdr interfacedef interfacedec
206 %type <type> dispinterface dispinterfacehdr dispinterfacedef
207 %type <type> module modulehdr moduledef
208 %type <type> base_type int_std
209 %type <type> enumdef structdef typedef uniondef
210 %type <ifref> gbl_statements coclass_ints coclass_int
212 %type <var> m_args no_args args arg
213 %type <var> fields field s_field cases case enums enum_list enum constdef externdef
214 %type <var> m_ident t_ident ident p_ident pident pident_list
215 %type <var> dispint_props
216 %type <func> funcdef int_statements
217 %type <func> dispint_meths
218 %type <clas> coclass coclasshdr coclassdef
219 %type <num> pointer_type version
220 %type <str> libraryhdr
236 input: gbl_statements { write_proxies($1); write_client($1); write_server($1); }
239 gbl_statements: { $$ = NULL; }
240 | gbl_statements interfacedec { $$ = $1; }
241 | gbl_statements interfacedef { $$ = make_ifref($2); LINK($$, $1); }
242 | gbl_statements coclassdef { $$ = $1; add_coclass($2); }
243 | gbl_statements moduledef { $$ = $1; add_module($2); }
244 | gbl_statements librarydef { $$ = $1; }
245 | gbl_statements statement { $$ = $1; }
249 | imp_statements interfacedec { if (!parse_only) add_interface($2); }
250 | imp_statements interfacedef { if (!parse_only) add_interface($2); }
251 | imp_statements coclassdef { if (!parse_only) add_coclass($2); }
252 | imp_statements moduledef { if (!parse_only) add_module($2); }
253 | imp_statements statement {}
254 | imp_statements importlib {}
257 int_statements: { $$ = NULL; }
258 | int_statements funcdef ';' { $$ = $2; LINK($$, $1); }
259 | int_statements statement { $$ = $1; }
263 | constdef ';' { if (!parse_only && do_header) { write_constdef($1); } }
265 | enumdef ';' { if (!parse_only && do_header) { write_type(header, $1, NULL, NULL); fprintf(header, ";\n\n"); } }
266 | externdef ';' { if (!parse_only && do_header) { write_externdef($1); } }
268 | structdef ';' { if (!parse_only && do_header) { write_type(header, $1, NULL, NULL); fprintf(header, ";\n\n"); } }
270 | uniondef ';' { if (!parse_only && do_header) { write_type(header, $1, NULL, NULL); fprintf(header, ";\n\n"); } }
273 cppquote: tCPPQUOTE '(' aSTRING ')' { if (!parse_only && do_header) fprintf(header, "%s\n", $3); }
275 import_start: tIMPORT aSTRING ';' { assert(yychar == YYEMPTY);
276 if (!do_import($2)) yychar = aEOF; }
278 import: import_start imp_statements aEOF {}
281 importlib: tIMPORTLIB '(' aSTRING ')' { if(!parse_only) add_importlib($3); }
284 libraryhdr: tLIBRARY aIDENTIFIER { $$ = $2; }
286 library_start: attributes libraryhdr '{' { start_typelib($2, $1);
287 if (!parse_only && do_header) write_library($2, $1); }
289 librarydef: library_start imp_statements '}' { end_typelib(); }
292 m_args: { $$ = NULL; }
296 no_args: tVOID { $$ = NULL; }
300 | args ',' arg { LINK($3, $1); $$ = $3; }
304 /* split into two rules to get bison to resolve a tVOID conflict */
305 arg: attributes type pident array { $$ = $3;
306 set_type($$, $2, $4);
309 | type pident array { $$ = $2;
310 set_type($$, $1, $3);
312 | attributes type pident '(' m_args ')' { $$ = $3;
314 set_type($$, $2, NULL);
318 | type pident '(' m_args ')' { $$ = $2;
320 set_type($$, $1, NULL);
325 array: { $$ = NULL; }
326 | '[' array_list ']' { $$ = $2; }
327 | '[' '*' ']' { $$ = make_expr(EXPR_VOID); }
330 array_list: m_expr /* size of first dimension is optional */
331 | array_list ',' expr { LINK($3, $1); $$ = $3; }
332 | array_list ']' '[' expr { LINK($4, $1); $$ = $4; }
335 m_attributes: { $$ = NULL; }
340 '[' attrib_list ']' { $$ = $2; }
343 attrib_list: attribute
344 | attrib_list ',' attribute { LINK($3, $1); $$ = $3; }
345 | attrib_list ']' '[' attribute { LINK($4, $1); $$ = $4; }
349 tAGGREGATABLE { $$ = make_attr(ATTR_AGGREGATABLE); }
350 | tAPPOBJECT { $$ = make_attr(ATTR_APPOBJECT); }
351 | tASYNC { $$ = make_attr(ATTR_ASYNC); }
352 | tAUTOHANDLE { $$ = make_attr(ATTR_AUTO_HANDLE); }
353 | tBINDABLE { $$ = make_attr(ATTR_BINDABLE); }
354 | tCALLAS '(' ident ')' { $$ = make_attrp(ATTR_CALLAS, $3); }
355 | tCASE '(' expr_list_const ')' { $$ = make_attrp(ATTR_CASE, $3); }
356 | tCONTEXTHANDLE { $$ = make_attrv(ATTR_CONTEXTHANDLE, 0); }
357 | tCONTEXTHANDLENOSERIALIZE { $$ = make_attrv(ATTR_CONTEXTHANDLE, 0); /* RPC_CONTEXT_HANDLE_DONT_SERIALIZE */ }
358 | tCONTEXTHANDLESERIALIZE { $$ = make_attrv(ATTR_CONTEXTHANDLE, 0); /* RPC_CONTEXT_HANDLE_SERIALIZE */ }
359 | tCONTROL { $$ = make_attr(ATTR_CONTROL); }
360 | tDEFAULT { $$ = make_attr(ATTR_DEFAULT); }
361 | tDEFAULTCOLLELEM { $$ = make_attr(ATTR_DEFAULTCOLLELEM); }
362 | tDEFAULTVALUE '(' expr_const ')' { $$ = make_attrp(ATTR_DEFAULTVALUE_EXPR, $3); }
363 | tDEFAULTVALUE '(' aSTRING ')' { $$ = make_attrp(ATTR_DEFAULTVALUE_STRING, $3); }
364 | tDEFAULTVTABLE { $$ = make_attr(ATTR_DEFAULTVTABLE); }
365 | tDISPLAYBIND { $$ = make_attr(ATTR_DISPLAYBIND); }
366 | tDLLNAME '(' aSTRING ')' { $$ = make_attrp(ATTR_DLLNAME, $3); }
367 | tDUAL { $$ = make_attr(ATTR_DUAL); }
368 | tENDPOINT '(' aSTRING ')' { $$ = make_attrp(ATTR_ENDPOINT, $3); }
369 | tENTRY '(' aSTRING ')' { $$ = make_attrp(ATTR_ENTRY_STRING, $3); }
370 | tENTRY '(' expr_const ')' { $$ = make_attrp(ATTR_ENTRY_ORDINAL, $3); }
371 | tEXPLICITHANDLE { $$ = make_attr(ATTR_EXPLICIT_HANDLE); }
372 | tHANDLE { $$ = make_attr(ATTR_HANDLE); }
373 | tHELPCONTEXT '(' expr_const ')' { $$ = make_attrp(ATTR_HELPCONTEXT, $3); }
374 | tHELPFILE '(' aSTRING ')' { $$ = make_attrp(ATTR_HELPFILE, $3); }
375 | tHELPSTRING '(' aSTRING ')' { $$ = make_attrp(ATTR_HELPSTRING, $3); }
376 | tHELPSTRINGCONTEXT '(' expr_const ')' { $$ = make_attrp(ATTR_HELPSTRINGCONTEXT, $3); }
377 | tHELPSTRINGDLL '(' aSTRING ')' { $$ = make_attrp(ATTR_HELPSTRINGDLL, $3); }
378 | tHIDDEN { $$ = make_attr(ATTR_HIDDEN); }
379 | tID '(' expr_const ')' { $$ = make_attrp(ATTR_ID, $3); }
380 | tIDEMPOTENT { $$ = make_attr(ATTR_IDEMPOTENT); }
381 | tIIDIS '(' ident ')' { $$ = make_attrp(ATTR_IIDIS, $3); }
382 | tIMMEDIATEBIND { $$ = make_attr(ATTR_IMMEDIATEBIND); }
383 | tIMPLICITHANDLE '(' tHANDLET aIDENTIFIER ')' { $$ = make_attrp(ATTR_IMPLICIT_HANDLE, $4); }
384 | tIN { $$ = make_attr(ATTR_IN); }
385 | tINPUTSYNC { $$ = make_attr(ATTR_INPUTSYNC); }
386 | tLENGTHIS '(' m_exprs ')' { $$ = make_attrp(ATTR_LENGTHIS, $3); }
387 | tLOCAL { $$ = make_attr(ATTR_LOCAL); }
388 | tNONBROWSABLE { $$ = make_attr(ATTR_NONBROWSABLE); }
389 | tNONCREATABLE { $$ = make_attr(ATTR_NONCREATABLE); }
390 | tNONEXTENSIBLE { $$ = make_attr(ATTR_NONEXTENSIBLE); }
391 | tOBJECT { $$ = make_attr(ATTR_OBJECT); }
392 | tODL { $$ = make_attr(ATTR_ODL); }
393 | tOLEAUTOMATION { $$ = make_attr(ATTR_OLEAUTOMATION); }
394 | tOPTIONAL { $$ = make_attr(ATTR_OPTIONAL); }
395 | tOUT { $$ = make_attr(ATTR_OUT); }
396 | tPOINTERDEFAULT '(' pointer_type ')' { $$ = make_attrv(ATTR_POINTERDEFAULT, $3); }
397 | tPROPGET { $$ = make_attr(ATTR_PROPGET); }
398 | tPROPPUT { $$ = make_attr(ATTR_PROPPUT); }
399 | tPROPPUTREF { $$ = make_attr(ATTR_PROPPUTREF); }
400 | tPUBLIC { $$ = make_attr(ATTR_PUBLIC); }
401 | tRANGE '(' expr_const ',' expr_const ')' { LINK($5, $3); $$ = make_attrp(ATTR_RANGE, $5); }
402 | tREADONLY { $$ = make_attr(ATTR_READONLY); }
403 | tREQUESTEDIT { $$ = make_attr(ATTR_REQUESTEDIT); }
404 | tRESTRICTED { $$ = make_attr(ATTR_RESTRICTED); }
405 | tRETVAL { $$ = make_attr(ATTR_RETVAL); }
406 | tSIZEIS '(' m_exprs ')' { $$ = make_attrp(ATTR_SIZEIS, $3); }
407 | tSOURCE { $$ = make_attr(ATTR_SOURCE); }
408 | tSTRING { $$ = make_attr(ATTR_STRING); }
409 | tSWITCHIS '(' expr ')' { $$ = make_attrp(ATTR_SWITCHIS, $3); }
410 | tSWITCHTYPE '(' type ')' { $$ = make_attrp(ATTR_SWITCHTYPE, type_ref($3)); }
411 | tTRANSMITAS '(' type ')' { $$ = make_attrp(ATTR_TRANSMITAS, type_ref($3)); }
412 | tUUID '(' aUUID ')' { $$ = make_attrp(ATTR_UUID, $3); }
413 | tV1ENUM { $$ = make_attr(ATTR_V1ENUM); }
414 | tVARARG { $$ = make_attr(ATTR_VARARG); }
415 | tVERSION '(' version ')' { $$ = make_attrv(ATTR_VERSION, $3); }
416 | tWIREMARSHAL '(' type ')' { $$ = make_attrp(ATTR_WIREMARSHAL, type_ref($3)); }
417 | pointer_type { $$ = make_attrv(ATTR_POINTERTYPE, $1); }
424 cases: { $$ = NULL; }
425 | cases case { if ($2) { LINK($2, $1); $$ = $2; }
430 case: tCASE expr ':' field { attr_t *a = make_attrp(ATTR_CASE, $2);
431 $$ = $4; if (!$$) $$ = make_var(NULL);
432 LINK(a, $$->attrs); $$->attrs = a;
434 | tDEFAULT ':' field { attr_t *a = make_attr(ATTR_DEFAULT);
435 $$ = $3; if (!$$) $$ = make_var(NULL);
436 LINK(a, $$->attrs); $$->attrs = a;
440 constdef: tCONST type ident '=' expr_const { $$ = reg_const($3);
441 set_type($$, $2, NULL);
446 enums: { $$ = NULL; }
447 | enum_list ',' { $$ = $1; }
451 enum_list: enum { if (!$$->eval)
452 $$->eval = make_exprl(EXPR_NUM, 0 /* default for first enum entry */);
454 | enum_list ',' enum { LINK($3, $1); $$ = $3;
456 $$->eval = make_exprl(EXPR_NUM, $1->eval->cval + 1);
460 enum: ident '=' expr_const { $$ = reg_const($1);
462 $$->type = make_type(RPC_FC_LONG, &std_int);
464 | ident { $$ = reg_const($1);
465 $$->type = make_type(RPC_FC_LONG, &std_int);
469 enumdef: tENUM t_ident '{' enums '}' { $$ = get_typev(RPC_FC_ENUM16, $2, tsENUM);
478 | m_exprs ',' m_expr { LINK($3, $1); $$ = $3; }
482 exprs: { $$ = make_expr(EXPR_VOID); }
487 | expr_list ',' expr { LINK($3, $1); $$ = $3; }
491 m_expr: { $$ = make_expr(EXPR_VOID); }
495 expr: aNUM { $$ = make_exprl(EXPR_NUM, $1); }
496 | aHEXNUM { $$ = make_exprl(EXPR_HEXNUM, $1); }
497 | aIDENTIFIER { $$ = make_exprs(EXPR_IDENTIFIER, $1); }
498 | expr '?' expr ':' expr { $$ = make_expr3(EXPR_COND, $1, $3, $5); }
499 | expr '|' expr { $$ = make_expr2(EXPR_OR , $1, $3); }
500 | expr '&' expr { $$ = make_expr2(EXPR_AND, $1, $3); }
501 | expr '+' expr { $$ = make_expr2(EXPR_ADD, $1, $3); }
502 | expr '-' expr { $$ = make_expr2(EXPR_SUB, $1, $3); }
503 | expr '*' expr { $$ = make_expr2(EXPR_MUL, $1, $3); }
504 | expr '/' expr { $$ = make_expr2(EXPR_DIV, $1, $3); }
505 | expr SHL expr { $$ = make_expr2(EXPR_SHL, $1, $3); }
506 | expr SHR expr { $$ = make_expr2(EXPR_SHR, $1, $3); }
507 | '~' expr { $$ = make_expr1(EXPR_NOT, $2); }
508 | '-' expr %prec NEG { $$ = make_expr1(EXPR_NEG, $2); }
509 | '*' expr %prec PPTR { $$ = make_expr1(EXPR_PPTR, $2); }
510 | '(' type ')' expr %prec CAST { $$ = make_exprt(EXPR_CAST, $2, $4); }
511 | tSIZEOF '(' type ')' { $$ = make_exprt(EXPR_SIZEOF, $3, NULL); }
512 | '(' expr ')' { $$ = $2; }
515 expr_list_const: expr_const
516 | expr_list_const ',' expr_const { LINK($3, $1); $$ = $3; }
519 expr_const: expr { $$ = $1;
521 yyerror("expression is not constant");
525 externdef: tEXTERN tCONST type ident { $$ = $4;
526 set_type($$, $3, NULL);
530 fields: { $$ = NULL; }
531 | fields field { if ($2) { LINK($2, $1); $$ = $2; }
536 field: s_field ';' { $$ = $1; }
537 | m_attributes uniondef ';' { $$ = make_var(NULL); $$->type = $2; $$->attrs = $1; }
538 | attributes ';' { $$ = make_var(NULL); $$->attrs = $1; }
542 s_field: m_attributes type pident array { $$ = $3; set_type($$, $2, $4); $$->attrs = $1; }
546 m_attributes type callconv pident
547 '(' m_args ')' { set_type($4, $2, NULL);
549 $$ = make_func($4, $6);
550 if (is_attr($4->attrs, ATTR_IN)) {
551 yyerror("inapplicable attribute [in] for function '%s'",$$->def->name);
556 m_ident: { $$ = NULL; }
560 t_ident: { $$ = NULL; }
561 | aIDENTIFIER { $$ = make_var($1); }
562 | aKNOWNTYPE { $$ = make_var($1); }
565 ident: aIDENTIFIER { $$ = make_var($1); }
566 /* some "reserved words" used in attributes are also used as field names in some MS IDL files */
567 | aKNOWNTYPE { $$ = make_var($<str>1); }
568 | tASYNC { $$ = make_var($<str>1); }
569 | tID { $$ = make_var($<str>1); }
570 | tLCID { $$ = make_var($<str>1); }
571 | tOBJECT { $$ = make_var($<str>1); }
572 | tRANGE { $$ = make_var($<str>1); }
573 | tRETVAL { $$ = make_var($<str>1); }
574 | tUUID { $$ = make_var($<str>1); }
575 | tVERSION { $$ = make_var($<str>1); }
578 base_type: tBYTE { $$ = make_type(RPC_FC_BYTE, NULL); }
579 | tWCHAR { $$ = make_type(RPC_FC_WCHAR, NULL); }
581 | tSIGNED int_std { $$ = $2; $$->sign = 1; }
582 | tUNSIGNED int_std { $$ = $2; $$->sign = -1;
584 case RPC_FC_CHAR: break;
585 case RPC_FC_SMALL: $$->type = RPC_FC_USMALL; break;
586 case RPC_FC_SHORT: $$->type = RPC_FC_USHORT; break;
587 case RPC_FC_LONG: $$->type = RPC_FC_ULONG; break;
589 if (!$$->ref) { $$->ref = &std_uhyper; $$->sign = 0; }
594 | tUNSIGNED { $$ = make_type(RPC_FC_ULONG, &std_int); $$->sign = -1; }
595 | tFLOAT { $$ = make_type(RPC_FC_FLOAT, NULL); }
596 | tSINGLE { $$ = make_type(RPC_FC_FLOAT, NULL); }
597 | tDOUBLE { $$ = make_type(RPC_FC_DOUBLE, NULL); }
598 | tBOOLEAN { $$ = make_type(RPC_FC_BYTE, &std_bool); /* ? */ }
599 | tERRORSTATUST { $$ = make_type(RPC_FC_ERROR_STATUS_T, NULL); }
600 | tHANDLET { $$ = make_type(RPC_FC_BIND_PRIMITIVE, NULL); /* ? */ }
607 int_std: tINT { $$ = make_type(RPC_FC_LONG, &std_int); } /* win32 only */
608 | tSHORT m_int { $$ = make_type(RPC_FC_SHORT, NULL); }
609 | tSMALL { $$ = make_type(RPC_FC_SMALL, NULL); }
610 | tLONG m_int { $$ = make_type(RPC_FC_LONG, NULL); }
611 | tHYPER m_int { $$ = make_type(RPC_FC_HYPER, NULL); }
612 | tINT64 { $$ = make_type(RPC_FC_HYPER, &std_int64); }
613 | tCHAR { $$ = make_type(RPC_FC_CHAR, NULL); }
616 coclass: tCOCLASS aIDENTIFIER { $$ = make_class($2); }
617 | tCOCLASS aKNOWNTYPE { $$ = make_class($2); }
620 coclasshdr: attributes coclass { $$ = $2;
622 if (!parse_only && do_header)
627 coclassdef: coclasshdr '{' coclass_ints '}' { $$ = $1;
632 coclass_ints: { $$ = NULL; }
633 | coclass_ints coclass_int { LINK($2, $1); $$ = $2; }
637 m_attributes interfacedec { $$ = make_ifref($2); $$->attrs = $1; }
640 dispinterface: tDISPINTERFACE aIDENTIFIER { $$ = get_type(0, $2, 0); }
641 | tDISPINTERFACE aKNOWNTYPE { $$ = get_type(0, $2, 0); }
644 dispinterfacehdr: attributes dispinterface { attr_t *attrs;
646 if ($$->defined) yyerror("multiple definition error");
647 attrs = make_attr(ATTR_DISPINTERFACE);
650 $$->ref = find_type("IDispatch", 0);
651 if (!$$->ref) yyerror("IDispatch is undefined");
653 if (!parse_only && do_header) write_forward($$);
657 dispint_props: tPROPERTIES ':' { $$ = NULL; }
658 | dispint_props s_field ';' { LINK($2, $1); $$ = $2; }
661 dispint_meths: tMETHODS ':' { $$ = NULL; }
662 | dispint_meths funcdef ';' { LINK($2, $1); $$ = $2; }
665 dispinterfacedef: dispinterfacehdr '{'
671 if (!parse_only && do_header) write_dispinterface($$);
673 /* FIXME: not sure how to handle this yet
674 | dispinterfacehdr '{' interface '}' { $$ = $1;
675 if (!parse_only && do_header) write_interface($$);
680 inherit: { $$ = NULL; }
681 | ':' aKNOWNTYPE { $$ = find_type2($2, 0); }
684 interface: tINTERFACE aIDENTIFIER { $$ = get_type(RPC_FC_IP, $2, 0); }
685 | tINTERFACE aKNOWNTYPE { $$ = get_type(RPC_FC_IP, $2, 0); }
688 interfacehdr: attributes interface { $$ = $2;
689 if ($$->defined) yyerror("multiple definition error");
692 if (!parse_only && do_header) write_forward($$);
696 interfacedef: interfacehdr inherit
697 '{' int_statements '}' { $$ = $1;
700 if (!parse_only && do_header) write_interface($$);
702 /* MIDL is able to import the definition of a base class from inside the
703 * definition of a derived class, I'll try to support it with this rule */
704 | interfacehdr ':' aIDENTIFIER
705 '{' import int_statements '}' { $$ = $1;
706 $$->ref = find_type2($3, 0);
707 if (!$$->ref) yyerror("base class '%s' not found in import", $3);
709 if (!parse_only && do_header) write_interface($$);
711 | dispinterfacedef { $$ = $1; }
715 interface ';' { $$ = $1; if (!parse_only && do_header) write_forward($$); }
716 | dispinterface ';' { $$ = $1; if (!parse_only && do_header) write_forward($$); }
719 module: tMODULE aIDENTIFIER { $$ = make_type(0, NULL); $$->name = $2; }
720 | tMODULE aKNOWNTYPE { $$ = make_type(0, NULL); $$->name = $2; }
723 modulehdr: attributes module { $$ = $2;
728 moduledef: modulehdr '{' int_statements '}' { $$ = $1;
730 /* FIXME: if (!parse_only && do_header) write_module($$); */
734 p_ident: '*' pident %prec PPTR { $$ = $2; $$->ptr_level++; }
735 | tCONST p_ident { $$ = $2; /* FIXME */ }
740 | '(' pident ')' { $$ = $2; }
745 | pident_list ',' pident { LINK($3, $1); $$ = $3; }
749 tREF { $$ = RPC_FC_RP; }
750 | tUNIQUE { $$ = RPC_FC_UP; }
751 | tPTR { $$ = RPC_FC_FP; }
754 structdef: tSTRUCT t_ident '{' fields '}' { $$ = get_typev(RPC_FC_STRUCT, $2, tsSTRUCT);
755 /* overwrite RPC_FC_STRUCT with a more exact type */
756 $$->type = get_struct_type( $4 );
764 type: tVOID { $$ = make_tref(NULL, make_type(0, NULL)); }
765 | aKNOWNTYPE { $$ = make_tref($1, find_type($1, 0)); }
766 | base_type { $$ = make_tref(NULL, $1); }
767 | tCONST type { $$ = uniq_tref($2); $$->ref->is_const = TRUE; }
768 | enumdef { $$ = make_tref(NULL, $1); }
769 | tENUM aIDENTIFIER { $$ = make_tref(NULL, find_type2($2, tsENUM)); }
770 | structdef { $$ = make_tref(NULL, $1); }
771 | tSTRUCT aIDENTIFIER { $$ = make_tref(NULL, get_type(RPC_FC_STRUCT, $2, tsSTRUCT)); }
772 | uniondef { $$ = make_tref(NULL, $1); }
773 | tUNION aIDENTIFIER { $$ = make_tref(NULL, find_type2($2, tsUNION)); }
776 typedef: tTYPEDEF m_attributes type pident_list { typeref_t *tref = uniq_tref($3);
777 $4->tname = tref->name;
781 if (!parse_only && do_header)
782 write_typedef($$, $4);
783 if (in_typelib && $$->attrs)
785 reg_types($$, $4, 0);
789 uniondef: tUNION t_ident '{' fields '}' { $$ = get_typev(RPC_FC_NON_ENCAPSULATED_UNION, $2, tsUNION);
794 tSWITCH '(' s_field ')'
795 m_ident '{' cases '}' { var_t *u = $7;
796 $$ = get_typev(RPC_FC_ENCAPSULATED_UNION, $2, tsUNION);
797 if (!u) u = make_var("tagged_union");
798 u->type = make_type(RPC_FC_NON_ENCAPSULATED_UNION, NULL);
799 u->type->fields = $9;
800 u->type->defined = TRUE;
801 LINK(u, $5); $$->fields = u;
807 aNUM { $$ = MAKELONG($1, 0); }
808 | aNUM '.' aNUM { $$ = MAKELONG($1, $3); }
813 static attr_t *make_attr(enum attr_type type)
815 attr_t *a = xmalloc(sizeof(attr_t));
822 static attr_t *make_attrv(enum attr_type type, unsigned long val)
824 attr_t *a = xmalloc(sizeof(attr_t));
831 static attr_t *make_attrp(enum attr_type type, void *val)
833 attr_t *a = xmalloc(sizeof(attr_t));
840 static expr_t *make_expr(enum expr_type type)
842 expr_t *e = xmalloc(sizeof(expr_t));
851 static expr_t *make_exprl(enum expr_type type, long val)
853 expr_t *e = xmalloc(sizeof(expr_t));
859 /* check for numeric constant */
860 if (type == EXPR_NUM || type == EXPR_HEXNUM) {
867 static expr_t *make_exprs(enum expr_type type, char *val)
870 e = xmalloc(sizeof(expr_t));
876 /* check for predefined constants */
877 if (type == EXPR_IDENTIFIER) {
878 var_t *c = find_const(val, 0);
883 e->cval = c->eval->cval;
889 static expr_t *make_exprt(enum expr_type type, typeref_t *tref, expr_t *expr)
892 e = xmalloc(sizeof(expr_t));
898 /* check for cast of constant expression */
899 if (type == EXPR_SIZEOF) {
900 switch (tref->ref->type) {
917 case RPC_FC_ERROR_STATUS_T:
928 if (type == EXPR_CAST && expr->is_const) {
930 e->cval = expr->cval;
935 static expr_t *make_expr1(enum expr_type type, expr_t *expr)
938 e = xmalloc(sizeof(expr_t));
944 /* check for compile-time optimization */
945 if (expr->is_const) {
949 e->cval = -expr->cval;
952 e->cval = ~expr->cval;
962 static expr_t *make_expr2(enum expr_type type, expr_t *expr1, expr_t *expr2)
965 e = xmalloc(sizeof(expr_t));
971 /* check for compile-time optimization */
972 if (expr1->is_const && expr2->is_const) {
976 e->cval = expr1->cval + expr2->cval;
979 e->cval = expr1->cval - expr2->cval;
982 e->cval = expr1->cval * expr2->cval;
985 e->cval = expr1->cval / expr2->cval;
988 e->cval = expr1->cval | expr2->cval;
991 e->cval = expr1->cval & expr2->cval;
994 e->cval = expr1->cval << expr2->cval;
997 e->cval = expr1->cval >> expr2->cval;
1000 e->is_const = FALSE;
1007 static expr_t *make_expr3(enum expr_type type, expr_t *expr1, expr_t *expr2, expr_t *expr3)
1010 e = xmalloc(sizeof(expr_t));
1015 e->is_const = FALSE;
1017 /* check for compile-time optimization */
1018 if (expr1->is_const && expr2->is_const && expr3->is_const) {
1022 e->cval = expr1->cval ? expr2->cval : expr3->cval;
1025 e->is_const = FALSE;
1032 static type_t *make_type(unsigned char type, type_t *ref)
1034 type_t *t = xmalloc(sizeof(type_t));
1041 t->ignore = parse_only;
1042 t->is_const = FALSE;
1046 t->typelib_idx = -1;
1051 static typeref_t *make_tref(char *name, type_t *ref)
1053 typeref_t *t = xmalloc(sizeof(typeref_t));
1056 t->uniq = ref ? 0 : 1;
1060 static typeref_t *uniq_tref(typeref_t *ref)
1064 if (t->uniq) return t;
1065 tp = make_type(0, t->ref);
1073 static type_t *type_ref(typeref_t *ref)
1075 type_t *t = ref->ref;
1076 if (ref->name) free(ref->name);
1081 static void set_type(var_t *v, typeref_t *ref, expr_t *arr)
1084 v->tname = ref->name;
1090 static ifref_t *make_ifref(type_t *iface)
1092 ifref_t *l = xmalloc(sizeof(ifref_t));
1099 static var_t *make_var(char *name)
1101 var_t *v = xmalloc(sizeof(var_t));
1113 static func_t *make_func(var_t *def, var_t *args)
1115 func_t *f = xmalloc(sizeof(func_t));
1118 f->ignore = parse_only;
1124 static class_t *make_class(char *name)
1126 class_t *c = xmalloc(sizeof(class_t));
1136 static int hash_ident(const char *name)
1138 const char *p = name;
1140 /* a simple sum hash is probably good enough */
1145 return sum & (HASHMAX-1);
1148 /***** type repository *****/
1157 struct rtype *type_hash[HASHMAX];
1159 static type_t *reg_type(type_t *type, const char *name, int t)
1164 yyerror("registering named type without name");
1167 hash = hash_ident(name);
1168 nt = xmalloc(sizeof(struct rtype));
1172 nt->next = type_hash[hash];
1173 type_hash[hash] = nt;
1177 /* determine pointer type from attrs */
1178 static unsigned char get_pointer_type( type_t *type )
1181 if (is_attr( type->attrs, ATTR_STRING ))
1184 while( t->type == 0 && t->ref )
1189 return RPC_FC_C_CSTRING;
1191 return RPC_FC_C_WSTRING;
1194 t = get_attrv( type->attrs, ATTR_POINTERTYPE );
1199 static type_t *reg_types(type_t *type, var_t *names, int t)
1205 var_t *next = NEXT_LINK(names);
1208 int cptr = names->ptr_level;
1210 while (cptr > ptrc) {
1211 int t = get_pointer_type( cur );
1212 cur = ptr = make_type(t, cur);
1216 while (cptr < ptrc) {
1221 reg_type(cur, names->name, t);
1229 static type_t *find_type(const char *name, int t)
1231 struct rtype *cur = type_hash[hash_ident(name)];
1232 while (cur && (cur->t != t || strcmp(cur->name, name)))
1235 yyerror("type '%s' not found", name);
1241 static type_t *find_type2(char *name, int t)
1243 type_t *tp = find_type(name, t);
1248 int is_type(const char *name)
1250 struct rtype *cur = type_hash[hash_ident(name)];
1251 while (cur && (cur->t || strcmp(cur->name, name)))
1253 if (cur) return TRUE;
1257 static type_t *get_type(unsigned char type, char *name, int t)
1259 struct rtype *cur = NULL;
1262 cur = type_hash[hash_ident(name)];
1263 while (cur && (cur->t != t || strcmp(cur->name, name)))
1270 tp = make_type(type, NULL);
1272 if (!name) return tp;
1273 return reg_type(tp, name, t);
1276 static type_t *get_typev(unsigned char type, var_t *name, int t)
1283 return get_type(type, sname, t);
1286 static int get_struct_type(var_t *field)
1288 int has_pointer = 0;
1289 int has_conformance = 0;
1290 int has_variance = 0;
1292 for (; field; field = NEXT_LINK(field))
1294 type_t *t = field->type;
1296 /* get the base type */
1297 while( (t->type == 0) && t->ref )
1300 if (field->ptr_level > 0)
1306 if (is_string_type(field->attrs, 0, field->array))
1308 has_conformance = 1;
1313 if (is_array_type(field->attrs, 0, field->array))
1315 if (field->array && !field->array->is_const)
1317 has_conformance = 1;
1318 if (PREV_LINK(field))
1319 yyerror("field '%s' deriving from a conformant array must be the last field in the structure",
1322 if (is_attr(field->attrs, ATTR_LENGTHIS))
1329 * RPC_FC_BYTE, RPC_FC_STRUCT, etc
1330 * Simple types don't effect the type of struct.
1331 * A struct containing a simple struct is still a simple struct.
1332 * So long as we can block copy the data, we return RPC_FC_STRUCT.
1334 case 0: /* void pointer */
1344 case RPC_FC_INT3264:
1345 case RPC_FC_UINT3264:
1359 has_conformance = 1;
1360 if (PREV_LINK(field))
1361 yyerror("field '%s' deriving from a conformant array must be the last field in the structure",
1364 case RPC_FC_C_CSTRING:
1365 case RPC_FC_C_WSTRING:
1366 has_conformance = 1;
1371 * Propagate member attributes
1372 * a struct should be at least as complex as its member
1374 case RPC_FC_CVSTRUCT:
1375 has_conformance = 1;
1380 case RPC_FC_CPSTRUCT:
1381 has_conformance = 1;
1382 if (PREV_LINK(field))
1383 yyerror("field '%s' deriving from a conformant array must be the last field in the structure",
1388 case RPC_FC_CSTRUCT:
1389 has_conformance = 1;
1390 if (PREV_LINK(field))
1391 yyerror("field '%s' deriving from a conformant array must be the last field in the structure",
1395 case RPC_FC_PSTRUCT:
1400 fprintf(stderr,"Unknown struct member %s with type (0x%02x)\n",
1401 field->name, t->type);
1402 /* fallthru - treat it as complex */
1404 /* as soon as we see one of these these members, it's bogus... */
1406 case RPC_FC_ENCAPSULATED_UNION:
1407 case RPC_FC_NON_ENCAPSULATED_UNION:
1408 case RPC_FC_TRANSMIT_AS:
1409 case RPC_FC_REPRESENT_AS:
1411 case RPC_FC_EMBEDDED_COMPLEX:
1412 case RPC_FC_BOGUS_STRUCT:
1413 return RPC_FC_BOGUS_STRUCT;
1418 return RPC_FC_CVSTRUCT;
1419 if( has_conformance && has_pointer )
1420 return RPC_FC_CPSTRUCT;
1421 if( has_conformance )
1422 return RPC_FC_CSTRUCT;
1424 return RPC_FC_PSTRUCT;
1425 return RPC_FC_STRUCT;
1428 /***** constant repository *****/
1433 struct rconst *next;
1436 struct rconst *const_hash[HASHMAX];
1438 static var_t *reg_const(var_t *var)
1443 yyerror("registering constant without name");
1446 hash = hash_ident(var->name);
1447 nc = xmalloc(sizeof(struct rconst));
1448 nc->name = var->name;
1450 nc->next = const_hash[hash];
1451 const_hash[hash] = nc;
1455 static var_t *find_const(char *name, int f)
1457 struct rconst *cur = const_hash[hash_ident(name)];
1458 while (cur && strcmp(cur->name, name))
1461 if (f) yyerror("constant '%s' not found", name);