4 * Copyright 2002 Ove Kaaven
6 * This library is free software; you can redistribute it and/or
7 * modify it under the terms of the GNU Lesser General Public
8 * License as published by the Free Software Foundation; either
9 * version 2.1 of the License, or (at your option) any later version.
11 * This library is distributed in the hope that it will be useful,
12 * but WITHOUT ANY WARRANTY; without even the implied warranty of
13 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
14 * Lesser General Public License for more details.
16 * You should have received a copy of the GNU Lesser General Public
17 * License along with this library; if not, write to the Free Software
18 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
38 static int indentation = 0;
40 static void indent(int delta)
43 if (delta < 0) indentation += delta;
44 for (c=0; c<indentation; c++) fprintf(header, " ");
45 if (delta > 0) indentation += delta;
48 int is_attr(attr_t *a, enum attr_type t)
51 if (a->type == t) return 1;
57 void *get_attrp(attr_t *a, enum attr_type t)
60 if (a->type == t) return a->u.pval;
66 unsigned long get_attrv(attr_t *a, enum attr_type t)
69 if (a->type == t) return a->u.ival;
75 int is_void(type_t *t, var_t *v)
77 if (v && v->ptr_level) return 0;
78 if (!t->type && !t->ref) return 1;
82 static void write_pident(FILE *h, var_t *v)
85 for (c=0; c<v->ptr_level; c++) {
88 if (v->name) fprintf(h, "%s", v->name);
91 void write_name(FILE *h, var_t *v)
93 fprintf(h, "%s", v->name);
96 char* get_name(var_t *v)
101 static void write_array(FILE *h, expr_t *v, int field)
104 while (NEXT_LINK(v)) v = NEXT_LINK(v);
108 fprintf(h, "%ld", v->cval); /* statically sized array */
110 if (field) fprintf(h, "1"); /* dynamically sized array */
118 static void write_field(FILE *h, var_t *v)
123 write_type(h, v->type, NULL, v->tname);
129 /* not all C/C++ compilers support anonymous structs and unions */
130 switch (v->type->type) {
132 case RPC_FC_ENCAPSULATED_UNION:
133 fprintf(h, " DUMMYSTRUCTNAME");
135 case RPC_FC_NON_ENCAPSULATED_UNION:
136 fprintf(h, " DUMMYUNIONNAME");
143 write_array(h, v->array, 1);
148 static void write_fields(FILE *h, var_t *v)
152 while (NEXT_LINK(v)) v = NEXT_LINK(v);
155 if (v == first) break;
160 static void write_enums(FILE *h, var_t *v)
163 while (NEXT_LINK(v)) v = NEXT_LINK(v);
170 write_expr(h, v->eval);
180 void write_type(FILE *h, type_t *t, var_t *v, char *n)
184 if (n) fprintf(h, "%s", n);
186 if (t->is_const) fprintf(h, "const ");
188 if (t->sign > 0) fprintf(h, "signed ");
189 else if (t->sign < 0) fprintf(h, "unsigned ");
192 if (t->ref) fprintf(h, t->ref->name);
193 else fprintf(h, "byte");
196 if (t->ref) fprintf(h, t->ref->name);
197 else fprintf(h, "char");
200 fprintf(h, "wchar_t");
204 if (t->ref) fprintf(h, t->ref->name);
205 else fprintf(h, "short");
209 if (t->ref) fprintf(h, t->ref->name);
210 else fprintf(h, "long");
213 if (t->ref) fprintf(h, t->ref->name);
214 else fprintf(h, "hyper");
220 fprintf(h, "double");
224 if (t->defined && !t->written) {
225 if (t->name) fprintf(h, "enum %s {\n", t->name);
226 else fprintf(h, "enum {\n");
229 write_enums(h, t->fields);
233 else fprintf(h, "enum %s", t->name);
235 case RPC_FC_ERROR_STATUS_T:
236 if (t->ref) fprintf(h, t->ref->name);
237 else fprintf(h, "error_status_t");
239 case RPC_FC_BIND_PRIMITIVE:
240 if (t->ref) fprintf(h, t->ref->name);
241 else fprintf(h, "handle_t");
244 case RPC_FC_ENCAPSULATED_UNION:
245 if (t->defined && !t->written) {
246 if (t->name) fprintf(h, "struct %s {\n", t->name);
247 else fprintf(h, "struct {\n");
250 write_fields(h, t->fields);
254 else fprintf(h, "struct %s", t->name);
256 case RPC_FC_NON_ENCAPSULATED_UNION:
257 if (t->defined && !t->written) {
258 if (t->name) fprintf(h, "union %s {\n", t->name);
259 else fprintf(h, "union {\n");
262 write_fields(h, t->fields);
266 else fprintf(h, "union %s", t->name);
269 fprintf(h, "(unknown-type:%d)", t->type);
274 write_type(h, t->ref, NULL, t->name);
276 else fprintf(h, "void");
280 for (c=0; c<v->ptr_level; c++) {
286 void write_typedef(type_t *type, var_t *names)
288 char *tname = names->tname;
290 while (NEXT_LINK(names)) names = NEXT_LINK(names);
292 fprintf(header, "typedef ");
293 write_type(header, type, NULL, tname);
294 fprintf(header, " ");
296 write_pident(header, names);
297 if (PREV_LINK(names))
298 fprintf(header, ", ");
299 names = PREV_LINK(names);
301 fprintf(header, ";\n");
303 if (get_attrp(type->attrs, ATTR_WIREMARSHAL)) {
306 char *name = get_name(names);
307 fprintf(header, "unsigned long __RPC_USER %s_UserSize (unsigned long *, unsigned long, %s *);\n", name, name);
308 fprintf(header, "unsigned char * __RPC_USER %s_UserMarshal (unsigned long *, unsigned char *, %s *);\n", name, name);
309 fprintf(header, "unsigned char * __RPC_USER %s_UserUnmarshal(unsigned long *, unsigned char *, %s *);\n", name, name);
310 fprintf(header, "void __RPC_USER %s_UserFree (unsigned long *, %s *);\n", name, name);
311 if (PREV_LINK(names))
312 fprintf(header, ", ");
313 names = PREV_LINK(names);
317 fprintf(header, "\n");
320 static void do_write_expr(FILE *h, expr_t *e, int p)
326 fprintf(h, "%ld", e->u.lval);
329 fprintf(h, "0x%lx", e->u.lval);
331 case EXPR_IDENTIFIER:
332 fprintf(h, "%s", e->u.sval);
336 do_write_expr(h, e->ref, 1);
340 do_write_expr(h, e->ref, 1);
344 do_write_expr(h, e->ref, 1);
348 write_type(h, e->u.tref->ref, NULL, e->u.tref->name);
350 do_write_expr(h, e->ref, 1);
353 fprintf(h, "sizeof(");
354 write_type(h, e->u.tref->ref, NULL, e->u.tref->name);
365 if (p) fprintf(h, "(");
366 do_write_expr(h, e->ref, 1);
368 case EXPR_SHL: fprintf(h, " << "); break;
369 case EXPR_SHR: fprintf(h, " >> "); break;
370 case EXPR_MUL: fprintf(h, " * "); break;
371 case EXPR_DIV: fprintf(h, " / "); break;
372 case EXPR_ADD: fprintf(h, " + "); break;
373 case EXPR_SUB: fprintf(h, " - "); break;
374 case EXPR_AND: fprintf(h, " & "); break;
375 case EXPR_OR: fprintf(h, " | "); break;
378 do_write_expr(h, e->u.ext, 1);
379 if (p) fprintf(h, ")");
382 if (p) fprintf(h, "(");
383 do_write_expr(h, e->ref, 1);
385 do_write_expr(h, e->u.ext, 1);
387 do_write_expr(h, e->ext2, 1);
388 if (p) fprintf(h, ")");
393 void write_expr(FILE *h, expr_t *e)
395 do_write_expr(h, e, 0);
398 void write_constdef(var_t *v)
400 fprintf(header, "#define %s (", get_name(v));
401 write_expr(header, v->eval);
402 fprintf(header, ")\n\n");
405 void write_externdef(var_t *v)
407 fprintf(header, "extern const ");
408 write_type(header, v->type, NULL, v->tname);
410 fprintf(header, " ");
411 write_pident(header, v);
413 fprintf(header, ";\n\n");
416 /********** INTERFACES **********/
418 int is_object(attr_t *a)
421 if (a->type == ATTR_OBJECT || a->type == ATTR_ODL) return 1;
427 int is_local(attr_t *a)
429 return is_attr(a, ATTR_LOCAL);
432 var_t *is_callas(attr_t *a)
434 return get_attrp(a, ATTR_CALLAS);
437 static void write_icom_method_def(type_t *iface)
439 func_t *cur = iface->funcs;
440 if (iface->ref) write_icom_method_def( iface->ref );
442 while (NEXT_LINK(cur)) cur = NEXT_LINK(cur);
443 if (cur) fprintf( header, " \\\n /*** %s methods ***/", iface->name );
445 var_t *def = cur->def;
446 if (!is_callas(def->attrs)) {
447 var_t *arg = cur->args;
450 while (NEXT_LINK(arg)) {
451 arg = NEXT_LINK(arg);
454 fprintf(header, " \\\n STDMETHOD_(");
455 write_type(header, def->type, def, def->tname);
456 fprintf(header, ",");
457 write_name(header, def);
458 fprintf(header, ")(%s", arg ? "THIS_ " : "THIS" );
460 write_type(header, arg->type, arg, arg->tname);
463 fprintf(header, " (STDMETHODCALLTYPE *");
464 write_name(header,arg);
465 fprintf( header,")(");
466 write_args(header, arg->args, NULL, 0, FALSE);
471 fprintf(header, " ");
472 write_name(header,arg);
474 write_array(header, arg->array, 0);
475 arg = PREV_LINK(arg);
476 if (arg) fprintf(header, ", ");
478 fprintf(header, ") PURE;");
480 cur = PREV_LINK(cur);
484 static int write_method_macro(type_t *iface, char *name)
487 func_t *cur = iface->funcs;
489 if (iface->ref) idx = write_method_macro(iface->ref, name);
492 if (!cur) return idx;
493 while (NEXT_LINK(cur)) cur = NEXT_LINK(cur);
495 fprintf(header, "/*** %s methods ***/\n", iface->name);
497 var_t *def = cur->def;
498 if (!is_callas(def->attrs)) {
499 var_t *arg = cur->args;
503 arg = NEXT_LINK(arg);
507 fprintf(header, "#define %s_", name);
508 write_name(header,def);
509 fprintf(header, "(p");
510 for (c=0; c<argc; c++)
511 fprintf(header, ",%c", c+'a');
512 fprintf(header, ") ");
514 fprintf(header, "(p)->lpVtbl->");
515 write_name(header, def);
516 fprintf(header, "(p");
517 for (c=0; c<argc; c++)
518 fprintf(header, ",%c", c+'a');
519 fprintf(header, ")\n");
520 if (cur->idx == -1) cur->idx = idx;
521 else if (cur->idx != idx) yyerror("BUG: method index mismatch in write_method_macro");
524 cur = PREV_LINK(cur);
529 void write_args(FILE *h, var_t *arg, char *name, int method, int do_indent)
533 while (NEXT_LINK(arg))
534 arg = NEXT_LINK(arg);
541 } else fprintf(h, " ");
544 fprintf(h, "%s* This", name);
552 if (h == header) indent(0);
553 else fprintf(h, " ");
555 else fprintf(h, ",");
557 write_type(h, arg->type, arg, arg->tname);
560 fprintf(h, " (STDMETHODCALLTYPE *");
563 write_args(h, arg->args, NULL, 0, FALSE);
571 write_array(h, arg->array, 0);
572 arg = PREV_LINK(arg);
575 if (do_indent && h == header) indentation--;
578 static void write_cpp_method_def(type_t *iface)
580 func_t *cur = iface->funcs;
583 while (NEXT_LINK(cur)) cur = NEXT_LINK(cur);
585 var_t *def = cur->def;
586 if (!is_callas(def->attrs)) {
588 fprintf(header, "virtual ");
589 write_type(header, def->type, def, def->tname);
590 fprintf(header, " STDMETHODCALLTYPE ");
591 write_name(header, def);
592 fprintf(header, "(\n");
593 write_args(header, cur->args, iface->name, 2, TRUE);
594 fprintf(header, ") = 0;\n");
595 fprintf(header, "\n");
597 cur = PREV_LINK(cur);
601 static void do_write_c_method_def(type_t *iface, char *name)
603 func_t *cur = iface->funcs;
605 if (iface->ref) do_write_c_method_def(iface->ref, name);
608 while (NEXT_LINK(cur)) cur = NEXT_LINK(cur);
610 fprintf(header, "/*** %s methods ***/\n", iface->name);
612 var_t *def = cur->def;
613 if (!is_callas(def->attrs)) {
615 write_type(header, def->type, def, def->tname);
616 fprintf(header, " (STDMETHODCALLTYPE *");
617 write_name(header, def);
618 fprintf(header, ")(\n");
619 write_args(header, cur->args, name, 1, TRUE);
620 fprintf(header, ");\n");
621 fprintf(header, "\n");
623 cur = PREV_LINK(cur);
627 static void write_c_method_def(type_t *iface)
629 do_write_c_method_def(iface, iface->name);
632 static void write_method_proto(type_t *iface)
634 func_t *cur = iface->funcs;
637 while (NEXT_LINK(cur)) cur = NEXT_LINK(cur);
639 var_t *def = cur->def;
640 var_t *cas = is_callas(def->attrs);
641 if (!is_local(def->attrs)) {
642 /* proxy prototype */
643 write_type(header, def->type, def, def->tname);
644 fprintf(header, " CALLBACK %s_", iface->name);
645 write_name(header, def);
646 fprintf(header, "_Proxy(\n");
647 write_args(header, cur->args, iface->name, 1, TRUE);
648 fprintf(header, ");\n");
650 fprintf(header, "void __RPC_STUB %s_", iface->name);
651 write_name(header,def);
652 fprintf(header, "_Stub(\n");
653 fprintf(header, " struct IRpcStubBuffer* This,\n");
654 fprintf(header, " struct IRpcChannelBuffer* pRpcChannelBuffer,\n");
655 fprintf(header, " PRPC_MESSAGE pRpcMessage,\n");
656 fprintf(header, " DWORD* pdwStubPhase);\n");
659 func_t *m = iface->funcs;
660 while (m && strcmp(get_name(m->def), cas->name))
663 var_t *mdef = m->def;
664 /* proxy prototype - use local prototype */
665 write_type(header, mdef->type, mdef, mdef->tname);
666 fprintf(header, " CALLBACK %s_", iface->name);
667 write_name(header, mdef);
668 fprintf(header, "_Proxy(\n");
669 write_args(header, m->args, iface->name, 1, TRUE);
670 fprintf(header, ");\n");
671 /* stub prototype - use remotable prototype */
672 write_type(header, def->type, def, def->tname);
673 fprintf(header, " __RPC_STUB %s_", iface->name);
674 write_name(header, mdef);
675 fprintf(header, "_Stub(\n");
676 write_args(header, cur->args, iface->name, 1, TRUE);
677 fprintf(header, ");\n");
680 yywarning("invalid call_as attribute (%s -> %s)\n", get_name(def), cas->name);
684 cur = PREV_LINK(cur);
688 static void write_function_proto(type_t *iface)
690 func_t *cur = iface->funcs;
691 while (NEXT_LINK(cur)) cur = NEXT_LINK(cur);
693 var_t *def = cur->def;
694 /* FIXME: do we need to handle call_as? */
695 write_type(header, def->type, def, def->tname);
696 fprintf(header, " ");
697 write_name(header, def);
698 fprintf(header, "(\n");
699 write_args(header, cur->args, iface->name, 0, TRUE);
700 fprintf(header, ");\n");
702 cur = PREV_LINK(cur);
706 void write_forward(type_t *iface)
708 /* C/C++ forwards should only be written for object interfaces, so if we
709 * have a full definition we only write one if we find [object] among the
710 * attributes - however, if we don't have a full definition at this point
711 * (i.e. this is an IDL forward), then we also assume that it is an object
712 * interface, since non-object interfaces shouldn't need forwards */
713 if ((!iface->defined || is_object(iface->attrs)) && !iface->written) {
714 fprintf(header,"#ifndef __%s_FWD_DEFINED__\n", iface->name);
715 fprintf(header,"#define __%s_FWD_DEFINED__\n", iface->name);
716 fprintf(header, "typedef struct %s %s;\n", iface->name, iface->name);
717 fprintf(header, "#endif\n\n" );
718 iface->written = TRUE;
722 void write_guid(type_t *iface)
724 UUID *uuid = get_attrp(iface->attrs, ATTR_UUID);
726 fprintf(header, "DEFINE_GUID(IID_%s, 0x%08lx, 0x%04x, 0x%04x, 0x%02x,0x%02x, 0x%02x,0x%02x,0x%02x,0x%02x,0x%02x,0x%02x);\n",
727 iface->name, uuid->Data1, uuid->Data2, uuid->Data3, uuid->Data4[0], uuid->Data4[1],
728 uuid->Data4[2], uuid->Data4[3], uuid->Data4[4], uuid->Data4[5], uuid->Data4[6], uuid->Data4[7]);
731 void write_com_interface(type_t *iface)
733 if (!iface->funcs && !iface->ref) {
734 yywarning("%s has no methods", iface->name);
738 fprintf(header, "/*****************************************************************************\n");
739 fprintf(header, " * %s interface\n", iface->name);
740 fprintf(header, " */\n");
741 fprintf(header,"#ifndef __%s_INTERFACE_DEFINED__\n", iface->name);
742 fprintf(header,"#define __%s_INTERFACE_DEFINED__\n\n", iface->name);
744 write_forward(iface);
746 fprintf(header, "#if defined(__cplusplus) && !defined(CINTERFACE)\n");
748 fprintf(header, "struct %s : public %s\n", iface->name, iface->ref->name);
751 fprintf(header, "#ifdef ICOM_USE_COM_INTERFACE_ATTRIBUTE\n");
752 fprintf(header, "struct __attribute__((com_interface)) %s\n", iface->name);
753 fprintf(header, "#else\n");
754 fprintf(header, "struct %s\n", iface->name);
755 fprintf(header, "#endif\n");
757 fprintf(header, "{\n");
759 write_cpp_method_def(iface);
761 fprintf(header, "};\n");
762 fprintf(header, "#else\n");
764 fprintf(header, "typedef struct %sVtbl %sVtbl;\n", iface->name, iface->name);
765 fprintf(header, "struct %s {\n", iface->name);
766 fprintf(header, " const %sVtbl* lpVtbl;\n", iface->name);
767 fprintf(header, "};\n");
768 fprintf(header, "struct %sVtbl {\n", iface->name);
770 fprintf(header, " ICOM_MSVTABLE_COMPAT_FIELDS\n");
771 fprintf(header, "\n");
772 write_c_method_def(iface);
774 fprintf(header, "};\n");
775 fprintf(header, "\n");
776 fprintf(header, "#ifdef COBJMACROS\n");
777 write_method_macro(iface, iface->name);
778 fprintf(header, "#endif\n");
779 fprintf(header, "\n");
780 fprintf(header, "#endif\n");
781 fprintf(header, "\n");
783 fprintf(header, "#define %s_METHODS \\\n", iface->name);
784 fprintf(header, " ICOM_MSVTABLE_COMPAT_FIELDS");
785 write_icom_method_def(iface);
786 fprintf(header, "\n\n");
788 write_method_proto(iface);
789 fprintf(header,"\n#endif /* __%s_INTERFACE_DEFINED__ */\n\n", iface->name);
792 void write_rpc_interface(type_t *iface)
794 unsigned long ver = get_attrv(iface->attrs, ATTR_VERSION);
796 if (!iface->funcs) return;
798 fprintf(header, "/*****************************************************************************\n");
799 fprintf(header, " * %s interface (v%d.%d)\n", iface->name, LOWORD(ver), HIWORD(ver));
800 fprintf(header, " */\n");
802 fprintf(header, "extern RPC_IF_HANDLE %s_v%d_%d_c_ifspec;\n", iface->name, LOWORD(ver), HIWORD(ver));
803 fprintf(header, "extern RPC_IF_HANDLE %s_v%d_%d_s_ifspec;\n", iface->name, LOWORD(ver), HIWORD(ver));
804 write_function_proto(iface);
805 fprintf(header, "\n");
807 /* FIXME: server/client code */
810 void write_interface(type_t *iface)
812 if (is_object(iface->attrs))
813 write_com_interface(iface);
815 write_rpc_interface(iface);