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., 59 Temple Place, Suite 330, Boston, MA 02111-1307 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, 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 tARRAYS 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
136 %token tDISPINTERFACE
137 %token tDLLNAME tDOUBLE tDUAL
139 %token tENTRY tENUM tERRORSTATUST
140 %token tEXPLICITHANDLE tEXTERN
144 %token tHELPCONTEXT tHELPFILE
145 %token tHELPSTRING tHELPSTRINGCONTEXT tHELPSTRINGDLL
147 %token tHYPER tID tIDEMPOTENT
149 %token tIMPLICITHANDLE
150 %token tIMPORT tIMPORTLIB
151 %token tIN tINCLUDE tINLINE
155 %token tLENGTHIS tLIBRARY
161 %token tOBJECT tODL tOLEAUTOMATION
164 %token tPOINTERDEFAULT
166 %token tPROPGET tPROPPUT tPROPPUTREF
170 %token tREADONLY tREF
176 %token tSIZEIS tSIZEOF
180 %token tSTRING tSTRUCT
181 %token tSWITCH tSWITCHIS tSWITCHTYPE
192 %token tWCHAR tWIREMARSHAL
197 %type <attr> m_attributes attributes attrib_list attribute
198 %type <expr> m_exprs /* exprs expr_list */ m_expr expr expr_list_const expr_const
199 %type <expr> array array_list
200 %type <type> inherit interface interfacehdr interfacedef interfacedec
201 %type <type> dispinterface dispinterfacehdr dispinterfacedef
202 %type <type> module modulehdr moduledef
203 %type <type> base_type int_std
204 %type <type> enumdef structdef typedef uniondef
205 %type <ifref> gbl_statements coclass_ints coclass_int
207 %type <var> m_args no_args args arg
208 %type <var> fields field s_field cases case enums enum_list enum constdef externdef
209 %type <var> m_ident t_ident ident p_ident pident pident_list
210 %type <var> dispint_props
211 %type <func> funcdef int_statements
212 %type <func> dispint_meths
213 %type <clas> coclass coclasshdr coclassdef
214 %type <num> pointer_type version
215 %type <str> libraryhdr
231 input: gbl_statements { write_proxies($1); write_client($1); write_server($1); }
234 gbl_statements: { $$ = NULL; }
235 | gbl_statements interfacedec { $$ = $1; }
236 | gbl_statements interfacedef { $$ = make_ifref($2); LINK($$, $1); }
237 | gbl_statements coclassdef { $$ = $1; add_coclass($2); }
238 | gbl_statements moduledef { $$ = $1; add_module($2); }
239 | gbl_statements librarydef { $$ = $1; }
240 | gbl_statements statement { $$ = $1; }
244 | imp_statements interfacedec { if (!parse_only) add_interface($2); }
245 | imp_statements interfacedef { if (!parse_only) add_interface($2); }
246 | imp_statements coclassdef { if (!parse_only) add_coclass($2); }
247 | imp_statements moduledef { if (!parse_only) add_module($2); }
248 | imp_statements statement {}
251 int_statements: { $$ = NULL; }
252 | int_statements funcdef ';' { $$ = $2; LINK($$, $1); }
253 | int_statements statement { $$ = $1; }
257 | constdef ';' { if (!parse_only && do_header) { write_constdef($1); } }
259 | enumdef ';' { if (!parse_only && do_header) { write_type(header, $1, NULL, NULL); fprintf(header, ";\n\n"); } }
260 | externdef ';' { if (!parse_only && do_header) { write_externdef($1); } }
262 | structdef ';' { if (!parse_only && do_header) { write_type(header, $1, NULL, NULL); fprintf(header, ";\n\n"); } }
264 | uniondef ';' { if (!parse_only && do_header) { write_type(header, $1, NULL, NULL); fprintf(header, ";\n\n"); } }
267 cppquote: tCPPQUOTE '(' aSTRING ')' { if (!parse_only && do_header) fprintf(header, "%s\n", $3); }
269 import_start: tIMPORT aSTRING ';' { assert(yychar == YYEMPTY);
270 if (!do_import($2)) yychar = aEOF; }
272 import: import_start imp_statements aEOF {}
275 libraryhdr: tLIBRARY aIDENTIFIER { $$ = $2; }
277 library_start: attributes libraryhdr '{' { start_typelib($2, $1);
278 if (!parse_only && do_header) write_library($2, $1); }
280 librarydef: library_start imp_statements '}' { end_typelib(); }
283 m_args: { $$ = NULL; }
287 no_args: tVOID { $$ = NULL; }
291 | args ',' arg { LINK($3, $1); $$ = $3; }
295 /* split into two rules to get bison to resolve a tVOID conflict */
296 arg: attributes type pident array { $$ = $3;
297 set_type($$, $2, $4);
300 | type pident array { $$ = $2;
301 set_type($$, $1, $3);
303 | attributes type pident '(' m_args ')' { $$ = $3;
305 set_type($$, $2, NULL);
309 | type pident '(' m_args ')' { $$ = $2;
311 set_type($$, $1, NULL);
316 array: { $$ = NULL; }
317 | '[' array_list ']' { $$ = $2; }
318 | '[' '*' ']' { $$ = make_expr(EXPR_VOID); }
321 array_list: m_expr /* size of first dimension is optional */
322 | array_list ',' expr { LINK($3, $1); $$ = $3; }
323 | array_list ']' '[' expr { LINK($4, $1); $$ = $4; }
326 m_attributes: { $$ = NULL; }
331 '[' attrib_list ']' { $$ = $2; }
334 attrib_list: attribute
335 | attrib_list ',' attribute { LINK($3, $1); $$ = $3; }
336 | attrib_list ']' '[' attribute { LINK($4, $1); $$ = $4; }
340 tASYNC { $$ = make_attr(ATTR_ASYNC); }
341 | tAUTOHANDLE { $$ = make_attr(ATTR_AUTO_HANDLE); }
342 | tCALLAS '(' ident ')' { $$ = make_attrp(ATTR_CALLAS, $3); }
343 | tCASE '(' expr_list_const ')' { $$ = make_attrp(ATTR_CASE, $3); }
344 | tCONTEXTHANDLE { $$ = make_attrv(ATTR_CONTEXTHANDLE, 0); }
345 | tCONTEXTHANDLENOSERIALIZE { $$ = make_attrv(ATTR_CONTEXTHANDLE, 0); /* RPC_CONTEXT_HANDLE_DONT_SERIALIZE */ }
346 | tCONTEXTHANDLESERIALIZE { $$ = make_attrv(ATTR_CONTEXTHANDLE, 0); /* RPC_CONTEXT_HANDLE_SERIALIZE */ }
347 | tCONTROL { $$ = make_attr(ATTR_CONTROL); }
348 | tDEFAULT { $$ = make_attr(ATTR_DEFAULT); }
349 | tDEFAULTVALUE '(' expr_const ')' { $$ = make_attrp(ATTR_DEFAULTVALUE_EXPR, $3); }
350 | tDEFAULTVALUE '(' aSTRING ')' { $$ = make_attrp(ATTR_DEFAULTVALUE_STRING, $3); }
351 | tDLLNAME '(' aSTRING ')' { $$ = make_attrp(ATTR_DLLNAME, $3); }
352 | tDUAL { $$ = make_attr(ATTR_DUAL); }
353 | tENDPOINT '(' aSTRING ')' { $$ = make_attrp(ATTR_ENDPOINT, $3); }
354 | tENTRY '(' aSTRING ')' { $$ = make_attrp(ATTR_ENTRY_STRING, $3); }
355 | tENTRY '(' expr_const ')' { $$ = make_attrp(ATTR_ENTRY_ORDINAL, $3); }
356 | tEXPLICITHANDLE { $$ = make_attr(ATTR_EXPLICIT_HANDLE); }
357 | tHANDLE { $$ = make_attr(ATTR_HANDLE); }
358 | tHELPCONTEXT '(' expr_const ')' { $$ = make_attrp(ATTR_HELPCONTEXT, $3); }
359 | tHELPFILE '(' aSTRING ')' { $$ = make_attrp(ATTR_HELPFILE, $3); }
360 | tHELPSTRING '(' aSTRING ')' { $$ = make_attrp(ATTR_HELPSTRING, $3); }
361 | tHELPSTRINGCONTEXT '(' expr_const ')' { $$ = make_attrp(ATTR_HELPSTRINGCONTEXT, $3); }
362 | tHELPSTRINGDLL '(' aSTRING ')' { $$ = make_attrp(ATTR_HELPSTRINGDLL, $3); }
363 | tHIDDEN { $$ = make_attr(ATTR_HIDDEN); }
364 | tID '(' expr_const ')' { $$ = make_attrp(ATTR_ID, $3); }
365 | tIDEMPOTENT { $$ = make_attr(ATTR_IDEMPOTENT); }
366 | tIIDIS '(' ident ')' { $$ = make_attrp(ATTR_IIDIS, $3); }
367 | tIMPLICITHANDLE '(' tHANDLET aIDENTIFIER ')' { $$ = make_attrp(ATTR_IMPLICIT_HANDLE, $4); }
368 | tIN { $$ = make_attr(ATTR_IN); }
369 | tINPUTSYNC { $$ = make_attr(ATTR_INPUTSYNC); }
370 | tLENGTHIS '(' m_exprs ')' { $$ = make_attrp(ATTR_LENGTHIS, $3); }
371 | tLOCAL { $$ = make_attr(ATTR_LOCAL); }
372 | tNONCREATABLE { $$ = make_attr(ATTR_NONCREATABLE); }
373 | tOBJECT { $$ = make_attr(ATTR_OBJECT); }
374 | tODL { $$ = make_attr(ATTR_ODL); }
375 | tOLEAUTOMATION { $$ = make_attr(ATTR_OLEAUTOMATION); }
376 | tOPTIONAL { $$ = make_attr(ATTR_OPTIONAL); }
377 | tOUT { $$ = make_attr(ATTR_OUT); }
378 | tPOINTERDEFAULT '(' pointer_type ')' { $$ = make_attrv(ATTR_POINTERDEFAULT, $3); }
379 | tPROPGET { $$ = make_attr(ATTR_PROPGET); }
380 | tPROPPUT { $$ = make_attr(ATTR_PROPPUT); }
381 | tPROPPUTREF { $$ = make_attr(ATTR_PROPPUTREF); }
382 | tPUBLIC { $$ = make_attr(ATTR_PUBLIC); }
383 | tRANGE '(' expr_const ',' expr_const ')' { LINK($5, $3); $$ = make_attrp(ATTR_RANGE, $5); }
384 | tREADONLY { $$ = make_attr(ATTR_READONLY); }
385 | tRESTRICTED { $$ = make_attr(ATTR_RESTRICTED); }
386 | tRETVAL { $$ = make_attr(ATTR_RETVAL); }
387 | tSIZEIS '(' m_exprs ')' { $$ = make_attrp(ATTR_SIZEIS, $3); }
388 | tSOURCE { $$ = make_attr(ATTR_SOURCE); }
389 | tSTRING { $$ = make_attr(ATTR_STRING); }
390 | tSWITCHIS '(' expr ')' { $$ = make_attrp(ATTR_SWITCHIS, $3); }
391 | tSWITCHTYPE '(' type ')' { $$ = make_attrp(ATTR_SWITCHTYPE, type_ref($3)); }
392 | tTRANSMITAS '(' type ')' { $$ = make_attrp(ATTR_TRANSMITAS, type_ref($3)); }
393 | tUUID '(' aUUID ')' { $$ = make_attrp(ATTR_UUID, $3); }
394 | tV1ENUM { $$ = make_attr(ATTR_V1ENUM); }
395 | tVARARG { $$ = make_attr(ATTR_VARARG); }
396 | tVERSION '(' version ')' { $$ = make_attrv(ATTR_VERSION, $3); }
397 | tWIREMARSHAL '(' type ')' { $$ = make_attrp(ATTR_WIREMARSHAL, type_ref($3)); }
398 | pointer_type { $$ = make_attrv(ATTR_POINTERTYPE, $1); }
405 cases: { $$ = NULL; }
406 | cases case { if ($2) { LINK($2, $1); $$ = $2; }
411 case: tCASE expr ':' field { attr_t *a = make_attrp(ATTR_CASE, $2);
412 $$ = $4; if (!$$) $$ = make_var(NULL);
413 LINK(a, $$->attrs); $$->attrs = a;
415 | tDEFAULT ':' field { attr_t *a = make_attr(ATTR_DEFAULT);
416 $$ = $3; if (!$$) $$ = make_var(NULL);
417 LINK(a, $$->attrs); $$->attrs = a;
421 constdef: tCONST type ident '=' expr_const { $$ = reg_const($3);
422 set_type($$, $2, NULL);
428 enums: { $$ = NULL; }
429 | enum_list ',' { $$ = $1; }
434 | enum_list ',' enum { LINK($3, $1); $$ = $3;
436 $3->lval = $1->lval + 1;
440 enum: ident '=' expr_const { $$ = reg_const($1);
443 $$->type = make_type(RPC_FC_LONG, &std_int);
445 | ident { $$ = reg_const($1);
446 $$->lval = 0; /* default for first enum entry */
447 $$->type = make_type(RPC_FC_LONG, &std_int);
451 enumdef: tENUM t_ident '{' enums '}' { $$ = get_typev(RPC_FC_ENUM16, $2, tsENUM);
460 | m_exprs ',' m_expr { LINK($3, $1); $$ = $3; }
464 exprs: { $$ = make_expr(EXPR_VOID); }
469 | expr_list ',' expr { LINK($3, $1); $$ = $3; }
473 m_expr: { $$ = make_expr(EXPR_VOID); }
477 expr: aNUM { $$ = make_exprl(EXPR_NUM, $1); }
478 | aHEXNUM { $$ = make_exprl(EXPR_HEXNUM, $1); }
479 | aIDENTIFIER { $$ = make_exprs(EXPR_IDENTIFIER, $1); }
480 | expr '?' expr ':' expr %prec COND { $$ = make_expr3(EXPR_COND, $1, $3, $5); }
481 | expr '|' expr { $$ = make_expr2(EXPR_OR , $1, $3); }
482 | expr '&' expr { $$ = make_expr2(EXPR_AND, $1, $3); }
483 | expr '+' expr { $$ = make_expr2(EXPR_ADD, $1, $3); }
484 | expr '-' expr { $$ = make_expr2(EXPR_SUB, $1, $3); }
485 | expr '*' expr { $$ = make_expr2(EXPR_MUL, $1, $3); }
486 | expr '/' expr { $$ = make_expr2(EXPR_DIV, $1, $3); }
487 | expr SHL expr { $$ = make_expr2(EXPR_SHL, $1, $3); }
488 | expr SHR expr { $$ = make_expr2(EXPR_SHR, $1, $3); }
489 | '~' expr { $$ = make_expr1(EXPR_NOT, $2); }
490 | '-' expr %prec NEG { $$ = make_expr1(EXPR_NEG, $2); }
491 | '*' expr %prec PPTR { $$ = make_expr1(EXPR_PPTR, $2); }
492 | '(' type ')' expr %prec CAST { $$ = make_exprt(EXPR_CAST, $2, $4); }
493 | tSIZEOF '(' type ')' { $$ = make_exprt(EXPR_SIZEOF, $3, NULL); }
494 | '(' expr ')' { $$ = $2; }
497 expr_list_const: expr_const
498 | expr_list_const ',' expr_const { LINK($3, $1); $$ = $3; }
501 expr_const: expr { $$ = $1;
503 yyerror("expression is not constant\n");
507 externdef: tEXTERN tCONST type ident { $$ = $4;
508 set_type($$, $3, NULL);
512 fields: { $$ = NULL; }
513 | fields field { if ($2) { LINK($2, $1); $$ = $2; }
518 field: s_field ';' { $$ = $1; }
519 | m_attributes uniondef ';' { $$ = make_var(NULL); $$->type = $2; $$->attrs = $1; }
520 | attributes ';' { $$ = make_var(NULL); $$->attrs = $1; }
524 s_field: m_attributes type pident array { $$ = $3; set_type($$, $2, $4); $$->attrs = $1; }
528 m_attributes type callconv pident
529 '(' m_args ')' { set_type($4, $2, NULL);
531 $$ = make_func($4, $6);
532 if (is_attr($4->attrs, ATTR_IN)) {
533 yyerror("Inapplicable attribute");
538 m_ident: { $$ = NULL; }
542 t_ident: { $$ = NULL; }
543 | aIDENTIFIER { $$ = make_var($1); }
544 | aKNOWNTYPE { $$ = make_var($1); }
547 ident: aIDENTIFIER { $$ = make_var($1); }
548 /* some "reserved words" used in attributes are also used as field names in some MS IDL files */
549 | aKNOWNTYPE { $$ = make_var($<str>1); }
550 | tASYNC { $$ = make_var($<str>1); }
551 | tID { $$ = make_var($<str>1); }
552 | tRANGE { $$ = make_var($<str>1); }
553 | tRETVAL { $$ = make_var($<str>1); }
554 | tVERSION { $$ = make_var($<str>1); }
557 base_type: tBYTE { $$ = make_type(RPC_FC_BYTE, NULL); }
558 | tWCHAR { $$ = make_type(RPC_FC_WCHAR, NULL); }
560 | tSIGNED int_std { $$ = $2; $$->sign = 1; }
561 | tUNSIGNED int_std { $$ = $2; $$->sign = -1;
563 case RPC_FC_CHAR: $$->type = RPC_FC_BYTE; $$->sign = 0; break;
564 case RPC_FC_SMALL: $$->type = RPC_FC_USMALL; break;
565 case RPC_FC_SHORT: $$->type = RPC_FC_USHORT; break;
566 case RPC_FC_LONG: $$->type = RPC_FC_ULONG; break;
568 if (!$$->ref) { $$->ref = &std_uhyper; $$->sign = 0; }
573 | tUNSIGNED { $$ = make_type(RPC_FC_ULONG, &std_int); $$->sign = -1; }
574 | tFLOAT { $$ = make_type(RPC_FC_FLOAT, NULL); }
575 | tSINGLE { $$ = make_type(RPC_FC_FLOAT, NULL); }
576 | tDOUBLE { $$ = make_type(RPC_FC_DOUBLE, NULL); }
577 | tBOOLEAN { $$ = make_type(RPC_FC_BYTE, &std_bool); /* ? */ }
578 | tERRORSTATUST { $$ = make_type(RPC_FC_ERROR_STATUS_T, NULL); }
579 | tHANDLET { $$ = make_type(RPC_FC_BIND_PRIMITIVE, NULL); /* ? */ }
586 int_std: tINT { $$ = make_type(RPC_FC_LONG, &std_int); } /* win32 only */
587 | tSHORT m_int { $$ = make_type(RPC_FC_SHORT, NULL); }
588 | tSMALL { $$ = make_type(RPC_FC_SHORT, NULL); }
589 | tLONG m_int { $$ = make_type(RPC_FC_LONG, NULL); }
590 | tHYPER m_int { $$ = make_type(RPC_FC_HYPER, NULL); }
591 | tINT64 { $$ = make_type(RPC_FC_HYPER, &std_int64); }
592 | tCHAR { $$ = make_type(RPC_FC_CHAR, NULL); }
595 coclass: tCOCLASS aIDENTIFIER { $$ = make_class($2); }
596 | tCOCLASS aKNOWNTYPE { $$ = make_class($2); }
599 coclasshdr: attributes coclass { $$ = $2;
601 if (!parse_only && do_header)
606 coclassdef: coclasshdr '{' coclass_ints '}' { $$ = $1;
611 coclass_ints: { $$ = NULL; }
612 | coclass_ints coclass_int { LINK($2, $1); $$ = $2; }
616 m_attributes interfacedec { $$ = make_ifref($2); $$->attrs = $1; }
619 dispinterface: tDISPINTERFACE aIDENTIFIER { $$ = get_type(0, $2, 0); }
620 | tDISPINTERFACE aKNOWNTYPE { $$ = get_type(0, $2, 0); }
623 dispinterfacehdr: attributes dispinterface { $$ = $2;
624 if ($$->defined) yyerror("multiple definition error\n");
626 $$->attrs = make_attr(ATTR_DISPINTERFACE);
628 $$->ref = find_type("IDispatch", 0);
629 if (!$$->ref) yyerror("IDispatch is undefined\n");
631 if (!parse_only && do_header) write_forward($$);
635 dispint_props: tPROPERTIES ':' { $$ = NULL; }
636 | dispint_props s_field ';' { LINK($2, $1); $$ = $2; }
639 dispint_meths: tMETHODS ':' { $$ = NULL; }
640 | dispint_meths funcdef ';' { LINK($2, $1); $$ = $2; }
643 dispinterfacedef: dispinterfacehdr '{'
649 if (!parse_only && do_header) write_dispinterface($$);
651 /* FIXME: not sure how to handle this yet
652 | dispinterfacehdr '{' interface '}' { $$ = $1;
653 if (!parse_only && do_header) write_interface($$);
658 inherit: { $$ = NULL; }
659 | ':' aKNOWNTYPE { $$ = find_type2($2, 0); }
662 interface: tINTERFACE aIDENTIFIER { $$ = get_type(RPC_FC_IP, $2, 0); }
663 | tINTERFACE aKNOWNTYPE { $$ = get_type(RPC_FC_IP, $2, 0); }
666 interfacehdr: attributes interface { $$ = $2;
667 if ($$->defined) yyerror("multiple definition error\n");
670 if (!parse_only && do_header) write_forward($$);
674 interfacedef: interfacehdr inherit
675 '{' int_statements '}' { $$ = $1;
678 if (!parse_only && do_header) write_interface($$);
680 /* MIDL is able to import the definition of a base class from inside the
681 * definition of a derived class, I'll try to support it with this rule */
682 | interfacehdr ':' aIDENTIFIER
683 '{' import int_statements '}' { $$ = $1;
684 $$->ref = find_type2($3, 0);
685 if (!$$->ref) yyerror("base class %s not found in import\n", $3);
687 if (!parse_only && do_header) write_interface($$);
689 | dispinterfacedef { $$ = $1; }
693 interface ';' { $$ = $1; if (!parse_only && do_header) write_forward($$); }
694 | dispinterface ';' { $$ = $1; if (!parse_only && do_header) write_forward($$); }
697 module: tMODULE aIDENTIFIER { $$ = make_type(0, NULL); $$->name = $2; }
698 | tMODULE aKNOWNTYPE { $$ = make_type(0, NULL); $$->name = $2; }
701 modulehdr: attributes module { $$ = $2;
706 moduledef: modulehdr '{' int_statements '}' { $$ = $1;
708 /* FIXME: if (!parse_only && do_header) write_module($$); */
712 p_ident: '*' pident %prec PPTR { $$ = $2; $$->ptr_level++; }
713 | tCONST p_ident { $$ = $2; /* FIXME */ }
718 | '(' pident ')' { $$ = $2; }
723 | pident_list ',' pident { LINK($3, $1); $$ = $3; }
727 tREF { $$ = RPC_FC_RP; }
728 | tUNIQUE { $$ = RPC_FC_UP; }
729 | tPTR { $$ = RPC_FC_FP; }
732 structdef: tSTRUCT t_ident '{' fields '}' { $$ = get_typev(RPC_FC_STRUCT, $2, tsSTRUCT);
733 /* overwrite RPC_FC_STRUCT with a more exact type */
734 $$->type = get_struct_type( $4 );
742 type: tVOID { $$ = make_tref(NULL, make_type(0, NULL)); }
743 | aKNOWNTYPE { $$ = make_tref($1, find_type($1, 0)); }
744 | base_type { $$ = make_tref(NULL, $1); }
745 | tCONST type { $$ = uniq_tref($2); $$->ref->is_const = TRUE; }
746 | enumdef { $$ = make_tref(NULL, $1); }
747 | tENUM aIDENTIFIER { $$ = make_tref(NULL, find_type2($2, tsENUM)); }
748 | structdef { $$ = make_tref(NULL, $1); }
749 | tSTRUCT aIDENTIFIER { $$ = make_tref(NULL, get_type(RPC_FC_STRUCT, $2, tsSTRUCT)); }
750 | uniondef { $$ = make_tref(NULL, $1); }
751 | tUNION aIDENTIFIER { $$ = make_tref(NULL, find_type2($2, tsUNION)); }
754 typedef: tTYPEDEF m_attributes type pident_list { typeref_t *tref = uniq_tref($3);
755 $4->tname = tref->name;
759 if (!parse_only && do_header)
760 write_typedef($$, $4);
761 if (in_typelib && $$->attrs)
763 reg_types($$, $4, 0);
767 uniondef: tUNION t_ident '{' fields '}' { $$ = get_typev(RPC_FC_NON_ENCAPSULATED_UNION, $2, tsUNION);
772 tSWITCH '(' s_field ')'
773 m_ident '{' cases '}' { var_t *u = $7;
774 $$ = get_typev(RPC_FC_ENCAPSULATED_UNION, $2, tsUNION);
775 if (!u) u = make_var("tagged_union");
776 u->type = make_type(RPC_FC_NON_ENCAPSULATED_UNION, NULL);
777 u->type->fields = $9;
778 u->type->defined = TRUE;
779 LINK(u, $5); $$->fields = u;
785 aNUM { $$ = MAKELONG($1, 0); }
786 | aNUM '.' aNUM { $$ = MAKELONG($1, $3); }
791 static attr_t *make_attr(enum attr_type type)
793 attr_t *a = xmalloc(sizeof(attr_t));
800 static attr_t *make_attrv(enum attr_type type, unsigned long val)
802 attr_t *a = xmalloc(sizeof(attr_t));
809 static attr_t *make_attrp(enum attr_type type, void *val)
811 attr_t *a = xmalloc(sizeof(attr_t));
818 static expr_t *make_expr(enum expr_type type)
820 expr_t *e = xmalloc(sizeof(expr_t));
829 static expr_t *make_exprl(enum expr_type type, long val)
831 expr_t *e = xmalloc(sizeof(expr_t));
837 /* check for numeric constant */
838 if (type == EXPR_NUM || type == EXPR_HEXNUM) {
845 static expr_t *make_exprs(enum expr_type type, char *val)
848 e = xmalloc(sizeof(expr_t));
854 /* check for predefined constants */
855 if (type == EXPR_IDENTIFIER) {
856 var_t *c = find_const(val, 0);
867 static expr_t *make_exprt(enum expr_type type, typeref_t *tref, expr_t *expr)
870 e = xmalloc(sizeof(expr_t));
876 /* check for cast of constant expression */
877 if (type == EXPR_CAST && expr->is_const) {
879 e->cval = expr->cval;
884 static expr_t *make_expr1(enum expr_type type, expr_t *expr)
887 e = xmalloc(sizeof(expr_t));
893 /* check for compile-time optimization */
894 if (expr->is_const) {
898 e->cval = -expr->cval;
901 e->cval = ~expr->cval;
911 static expr_t *make_expr2(enum expr_type type, expr_t *expr1, expr_t *expr2)
914 e = xmalloc(sizeof(expr_t));
920 /* check for compile-time optimization */
921 if (expr1->is_const && expr2->is_const) {
925 e->cval = expr1->cval + expr2->cval;
928 e->cval = expr1->cval - expr2->cval;
931 e->cval = expr1->cval * expr2->cval;
934 e->cval = expr1->cval / expr2->cval;
937 e->cval = expr1->cval | expr2->cval;
940 e->cval = expr1->cval & expr2->cval;
943 e->cval = expr1->cval << expr2->cval;
946 e->cval = expr1->cval >> expr2->cval;
956 static expr_t *make_expr3(enum expr_type type, expr_t *expr1, expr_t *expr2, expr_t *expr3)
959 e = xmalloc(sizeof(expr_t));
966 /* check for compile-time optimization */
967 if (expr1->is_const && expr2->is_const && expr3->is_const) {
971 e->cval = expr1->cval ? expr2->cval : expr3->cval;
981 static type_t *make_type(unsigned char type, type_t *ref)
983 type_t *t = xmalloc(sizeof(type_t));
991 t->ignore = parse_only;
1001 static typeref_t *make_tref(char *name, type_t *ref)
1003 typeref_t *t = xmalloc(sizeof(typeref_t));
1006 t->uniq = ref ? 0 : 1;
1010 static typeref_t *uniq_tref(typeref_t *ref)
1014 if (t->uniq) return t;
1015 tp = make_type(0, t->ref);
1023 static type_t *type_ref(typeref_t *ref)
1025 type_t *t = ref->ref;
1026 if (ref->name) free(ref->name);
1031 static void set_type(var_t *v, typeref_t *ref, expr_t *arr)
1034 v->tname = ref->name;
1040 static ifref_t *make_ifref(type_t *iface)
1042 ifref_t *l = xmalloc(sizeof(ifref_t));
1049 static var_t *make_var(char *name)
1051 var_t *v = xmalloc(sizeof(var_t));
1064 static func_t *make_func(var_t *def, var_t *args)
1066 func_t *f = xmalloc(sizeof(func_t));
1069 f->ignore = parse_only;
1075 static class_t *make_class(char *name)
1077 class_t *c = xmalloc(sizeof(class_t));
1087 static int hash_ident(const char *name)
1089 const char *p = name;
1091 /* a simple sum hash is probably good enough */
1096 return sum & (HASHMAX-1);
1099 /***** type repository *****/
1108 struct rtype *type_hash[HASHMAX];
1110 static type_t *reg_type(type_t *type, char *name, int t)
1115 yyerror("registering named type without name\n");
1118 hash = hash_ident(name);
1119 nt = xmalloc(sizeof(struct rtype));
1123 nt->next = type_hash[hash];
1124 type_hash[hash] = nt;
1128 /* determine pointer type from attrs */
1129 static unsigned char get_pointer_type( type_t *type )
1132 if (is_attr( type->attrs, ATTR_STRING ))
1135 while( t->type == 0 && t->ref )
1140 return RPC_FC_C_CSTRING;
1142 return RPC_FC_C_WSTRING;
1145 t = get_attrv( type->attrs, ATTR_POINTERTYPE );
1150 static type_t *reg_types(type_t *type, var_t *names, int t)
1156 var_t *next = NEXT_LINK(names);
1159 int cptr = names->ptr_level;
1161 while (cptr > ptrc) {
1162 int t = get_pointer_type( cur );
1163 cur = ptr = make_type(t, cur);
1167 while (cptr < ptrc) {
1172 reg_type(cur, names->name, t);
1180 static type_t *find_type(const char *name, int t)
1182 struct rtype *cur = type_hash[hash_ident(name)];
1183 while (cur && (cur->t != t || strcmp(cur->name, name)))
1186 yyerror("type %s not found\n", name);
1192 static type_t *find_type2(char *name, int t)
1194 type_t *tp = find_type(name, t);
1199 int is_type(const char *name)
1201 struct rtype *cur = type_hash[hash_ident(name)];
1202 while (cur && (cur->t || strcmp(cur->name, name)))
1204 if (cur) return TRUE;
1208 static type_t *get_type(unsigned char type, char *name, int t)
1210 struct rtype *cur = NULL;
1213 cur = type_hash[hash_ident(name)];
1214 while (cur && (cur->t != t || strcmp(cur->name, name)))
1221 tp = make_type(type, NULL);
1223 if (!name) return tp;
1224 return reg_type(tp, name, t);
1227 static type_t *get_typev(unsigned char type, var_t *name, int t)
1234 return get_type(type, sname, t);
1237 static int get_struct_type(var_t *field)
1239 int has_pointer = 0;
1240 int has_conformant_array = 0;
1241 int has_conformant_string = 0;
1245 type_t *t = field->type;
1247 /* get the base type */
1248 while( (t->type == 0) && t->ref )
1254 * RPC_FC_BYTE, RPC_FC_STRUCT, etc
1255 * Simple types don't effect the type of struct.
1256 * A struct containing a simple struct is still a simple struct.
1257 * So long as we can block copy the data, we return RPC_FC_STRUCT.
1259 case 0: /* void pointer */
1269 case RPC_FC_INT3264:
1270 case RPC_FC_UINT3264:
1284 has_conformant_array = 1;
1286 case RPC_FC_C_CSTRING:
1287 case RPC_FC_C_WSTRING:
1288 has_conformant_string = 1;
1292 * Propagate member attributes
1293 * a struct should be at least as complex as its member
1295 case RPC_FC_CVSTRUCT:
1296 has_conformant_string = 1;
1300 case RPC_FC_CPSTRUCT:
1301 has_conformant_array = 1;
1305 case RPC_FC_CSTRUCT:
1306 has_conformant_array = 1;
1309 case RPC_FC_PSTRUCT:
1314 fprintf(stderr,"Unknown struct member %s with type (0x%02x)\n",
1315 field->name, t->type);
1316 /* fallthru - treat it as complex */
1318 /* as soon as we see one of these these members, it's bogus... */
1320 case RPC_FC_ENCAPSULATED_UNION:
1321 case RPC_FC_NON_ENCAPSULATED_UNION:
1322 case RPC_FC_TRANSMIT_AS:
1323 case RPC_FC_REPRESENT_AS:
1325 case RPC_FC_EMBEDDED_COMPLEX:
1326 case RPC_FC_BOGUS_STRUCT:
1327 return RPC_FC_BOGUS_STRUCT;
1329 field = NEXT_LINK(field);
1332 if( has_conformant_string && has_pointer )
1333 return RPC_FC_CVSTRUCT;
1334 if( has_conformant_array && has_pointer )
1335 return RPC_FC_CPSTRUCT;
1336 if( has_conformant_array )
1337 return RPC_FC_CSTRUCT;
1339 return RPC_FC_PSTRUCT;
1340 return RPC_FC_STRUCT;
1343 /***** constant repository *****/
1348 struct rconst *next;
1351 struct rconst *const_hash[HASHMAX];
1353 static var_t *reg_const(var_t *var)
1358 yyerror("registering constant without name\n");
1361 hash = hash_ident(var->name);
1362 nc = xmalloc(sizeof(struct rconst));
1363 nc->name = var->name;
1365 nc->next = const_hash[hash];
1366 const_hash[hash] = nc;
1370 static var_t *find_const(char *name, int f)
1372 struct rconst *cur = const_hash[hash_ident(name)];
1373 while (cur && strcmp(cur->name, name))
1376 if (f) yyerror("constant %s not found\n", name);