xref: /reactos/sdk/tools/widl/client.c (revision a6726659)
1 /*
2  * IDL Compiler
3  *
4  * Copyright 2005-2006 Eric Kohl
5  *
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.
10  *
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.
15  *
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., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA
19  */
20 
21 #include "config.h"
22 #include "wine/port.h"
23 
24 #include <stdio.h>
25 #include <stdlib.h>
26 #ifdef HAVE_UNISTD_H
27 # include <unistd.h>
28 #endif
29 #include <string.h>
30 #include <ctype.h>
31 
32 #include "widl.h"
33 #include "utils.h"
34 #include "parser.h"
35 #include "header.h"
36 
37 #include "widltypes.h"
38 #include "typegen.h"
39 #include "expr.h"
40 
41 static FILE* client;
42 static int indent = 0;
43 
44 static void print_client( const char *format, ... ) __attribute__((format (printf, 1, 2)));
45 static void print_client( const char *format, ... )
46 {
47     va_list va;
48     va_start(va, format);
49     print(client, indent, format, va);
50     va_end(va);
51 }
52 
53 static void write_client_func_decl( const type_t *iface, const var_t *func )
54 {
55     const char *callconv = get_attrp(func->type->attrs, ATTR_CALLCONV);
56     const var_list_t *args = type_get_function_args(func->type);
57     type_t *rettype = type_function_get_rettype(func->type);
58 
59     if (!callconv) callconv = "__cdecl";
60     write_type_decl_left(client, rettype);
61     fprintf(client, " %s ", callconv);
62     fprintf(client, "%s%s(\n", prefix_client, get_name(func));
63     indent++;
64     if (args)
65         write_args(client, args, iface->name, 0, TRUE);
66     else
67         print_client("void");
68     fprintf(client, ")\n");
69     indent--;
70 }
71 
72 static void write_function_stub( const type_t *iface, const var_t *func,
73                                  int method_count, unsigned int proc_offset )
74 {
75     unsigned char explicit_fc, implicit_fc;
76     int has_full_pointer = is_full_pointer_function(func);
77     var_t *retval = type_function_get_retval(func->type);
78     const var_t *handle_var = get_func_handle_var( iface, func, &explicit_fc, &implicit_fc );
79     int has_ret = !is_void(retval->type);
80 
81     if (is_interpreted_func( iface, func ))
82     {
83         write_client_func_decl( iface, func );
84         write_client_call_routine( client, iface, func, iface->name, proc_offset );
85         return;
86     }
87 
88     print_client( "struct __frame_%s%s\n{\n", prefix_client, get_name(func) );
89     indent++;
90     print_client( "__DECL_EXCEPTION_FRAME\n" );
91     print_client("MIDL_STUB_MESSAGE _StubMsg;\n");
92     if (handle_var)
93     {
94         if (explicit_fc == FC_BIND_GENERIC)
95             print_client("%s %s;\n",
96                          get_explicit_generic_handle_type(handle_var)->name, handle_var->name );
97         print_client("RPC_BINDING_HANDLE _Handle;\n");
98     }
99 
100     if (has_ret && decl_indirect(retval->type))
101     {
102         print_client("void *_p_%s;\n", retval->name);
103     }
104     indent--;
105     print_client( "};\n\n" );
106 
107     print_client( "static void __finally_%s%s(", prefix_client, get_name(func) );
108     print_client( " struct __frame_%s%s *__frame )\n{\n", prefix_client, get_name(func) );
109     indent++;
110 
111     if (has_full_pointer)
112         write_full_pointer_free(client, indent, func);
113 
114     print_client("NdrFreeBuffer(&__frame->_StubMsg);\n");
115 
116     if (explicit_fc == FC_BIND_GENERIC)
117     {
118         fprintf(client, "\n");
119         print_client("if (__frame->_Handle)\n");
120         indent++;
121         print_client("%s_unbind(__frame->%s, __frame->_Handle);\n",
122                      get_explicit_generic_handle_type(handle_var)->name, handle_var->name);
123         indent--;
124     }
125     indent--;
126     print_client( "}\n\n" );
127 
128     write_client_func_decl( iface, func );
129 
130     /* write the functions body */
131     fprintf(client, "{\n");
132     indent++;
133     print_client( "struct __frame_%s%s __f, * const __frame = &__f;\n", prefix_client, get_name(func) );
134 
135     /* declare return value */
136     if (has_ret)
137     {
138         print_client("%s", "");
139         write_type_decl(client, retval->type, retval->name);
140         fprintf(client, ";\n");
141     }
142     print_client("RPC_MESSAGE _RpcMessage;\n");
143 
144     if (handle_var)
145     {
146         print_client( "__frame->_Handle = 0;\n" );
147         if (explicit_fc == FC_BIND_GENERIC)
148             print_client("__frame->%s = %s;\n", handle_var->name, handle_var->name );
149     }
150     if (has_ret && decl_indirect(retval->type))
151     {
152         print_client("__frame->_p_%s = &%s;\n", retval->name, retval->name);
153     }
154     fprintf(client, "\n");
155 
156     print_client( "RpcExceptionInit( 0, __finally_%s%s );\n", prefix_client, get_name(func) );
157 
158     if (has_full_pointer)
159         write_full_pointer_init(client, indent, func, FALSE);
160 
161     /* check pointers */
162     write_pointer_checks( client, indent, func );
163 
164     print_client("RpcTryFinally\n");
165     print_client("{\n");
166     indent++;
167 
168     print_client("NdrClientInitializeNew(&_RpcMessage, &__frame->_StubMsg, &%s_StubDesc, %d);\n",
169                  iface->name, method_count);
170 
171     if (is_attr(func->attrs, ATTR_IDEMPOTENT) || is_attr(func->attrs, ATTR_BROADCAST))
172     {
173         print_client("_RpcMessage.RpcFlags = ( RPC_NCA_FLAGS_DEFAULT ");
174         if (is_attr(func->attrs, ATTR_IDEMPOTENT))
175             fprintf(client, "| RPC_NCA_FLAGS_IDEMPOTENT ");
176         if (is_attr(func->attrs, ATTR_BROADCAST))
177             fprintf(client, "| RPC_NCA_FLAGS_BROADCAST ");
178         fprintf(client, ");\n\n");
179     }
180 
181     switch (explicit_fc)
182     {
183     case FC_BIND_PRIMITIVE:
184         print_client("__frame->_Handle = %s;\n", handle_var->name);
185         fprintf(client, "\n");
186         break;
187     case FC_BIND_GENERIC:
188         print_client("__frame->_Handle = %s_bind(%s);\n",
189                      get_explicit_generic_handle_type(handle_var)->name, handle_var->name);
190         fprintf(client, "\n");
191         break;
192     case FC_BIND_CONTEXT:
193     {
194         /* if the context_handle attribute appears in the chain of types
195          * without pointers being followed, then the context handle must
196          * be direct, otherwise it is a pointer */
197         int is_ch_ptr = !is_aliaschain_attr(handle_var->type, ATTR_CONTEXTHANDLE);
198         print_client("if (%s%s != 0)\n", is_ch_ptr ? "*" : "", handle_var->name);
199         indent++;
200         print_client("__frame->_Handle = NDRCContextBinding(%s%s);\n",
201                      is_ch_ptr ? "*" : "", handle_var->name);
202         indent--;
203         if (is_attr(handle_var->attrs, ATTR_IN) && !is_attr(handle_var->attrs, ATTR_OUT))
204         {
205             print_client("else\n");
206             indent++;
207             print_client("RpcRaiseException(RPC_X_SS_IN_NULL_CONTEXT);\n");
208             indent--;
209         }
210         fprintf(client, "\n");
211         break;
212     }
213     case 0:  /* implicit handle */
214         if (handle_var)
215         {
216             print_client("__frame->_Handle = %s;\n", handle_var->name);
217             fprintf(client, "\n");
218         }
219         break;
220     }
221 
222     write_remoting_arguments(client, indent, func, "", PASS_IN, PHASE_BUFFERSIZE);
223 
224     print_client("NdrGetBuffer(&__frame->_StubMsg, __frame->_StubMsg.BufferLength, ");
225     if (handle_var)
226         fprintf(client, "__frame->_Handle);\n\n");
227     else
228         fprintf(client,"%s__MIDL_AutoBindHandle);\n\n", iface->name);
229 
230     /* marshal arguments */
231     write_remoting_arguments(client, indent, func, "", PASS_IN, PHASE_MARSHAL);
232 
233     /* send/receive message */
234     /* print_client("NdrNsSendReceive(\n"); */
235     /* print_client("(unsigned char *)__frame->_StubMsg.Buffer,\n"); */
236     /* print_client("(RPC_BINDING_HANDLE *) &%s__MIDL_AutoBindHandle);\n", iface->name); */
237     print_client("NdrSendReceive(&__frame->_StubMsg, __frame->_StubMsg.Buffer);\n\n");
238 
239     print_client("__frame->_StubMsg.BufferStart = _RpcMessage.Buffer;\n");
240     print_client("__frame->_StubMsg.BufferEnd = __frame->_StubMsg.BufferStart + _RpcMessage.BufferLength;\n");
241 
242     if (has_out_arg_or_return(func))
243     {
244         fprintf(client, "\n");
245 
246         print_client("if ((_RpcMessage.DataRepresentation & 0x0000FFFFUL) != NDR_LOCAL_DATA_REPRESENTATION)\n");
247         indent++;
248         print_client("NdrConvert(&__frame->_StubMsg, (PFORMAT_STRING)&__MIDL_ProcFormatString.Format[%u]);\n",
249                      proc_offset);
250         indent--;
251     }
252 
253     /* unmarshall arguments */
254     fprintf(client, "\n");
255     write_remoting_arguments(client, indent, func, "", PASS_OUT, PHASE_UNMARSHAL);
256 
257     /* unmarshal return value */
258     if (has_ret)
259     {
260         if (decl_indirect(retval->type))
261             print_client("MIDL_memset(&%s, 0, sizeof(%s));\n", retval->name, retval->name);
262         else if (is_ptr(retval->type) || is_array(retval->type))
263             print_client("%s = 0;\n", retval->name);
264         write_remoting_arguments(client, indent, func, "", PASS_RETURN, PHASE_UNMARSHAL);
265     }
266 
267     indent--;
268     print_client("}\n");
269     print_client("RpcFinally\n");
270     print_client("{\n");
271     indent++;
272     print_client( "__finally_%s%s( __frame );\n", prefix_client, get_name(func) );
273     indent--;
274     print_client("}\n");
275     print_client("RpcEndFinally\n");
276 
277 
278     /* emit return code */
279     if (has_ret)
280     {
281         fprintf(client, "\n");
282         print_client("return %s;\n", retval->name);
283     }
284 
285     indent--;
286     fprintf(client, "}\n");
287     fprintf(client, "\n");
288 }
289 
290 static void write_serialize_function(FILE *file, const type_t *type, const type_t *iface,
291                                      const char *func_name, const char *ret_type)
292 {
293     enum stub_mode mode = get_stub_mode();
294     static int emited_pickling_info;
295 
296     if (iface && !type->typestring_offset)
297     {
298         /* FIXME: Those are mostly basic types. They should be implemented
299          * using NdrMesSimpleType* functions */
300         if (ret_type) warning("Serialization of type %s is not supported\n", type->name);
301         return;
302     }
303 
304     if (!emited_pickling_info && iface && mode != MODE_Os)
305     {
306         fprintf(file, "static const MIDL_TYPE_PICKLING_INFO __MIDL_TypePicklingInfo =\n");
307         fprintf(file, "{\n");
308         fprintf(file, "    0x33205054,\n");
309         fprintf(file, "    0x3,\n");
310         fprintf(file, "    0,\n");
311         fprintf(file, "    0,\n");
312         fprintf(file, "    0\n");
313         fprintf(file, "};\n");
314         fprintf(file, "\n");
315         emited_pickling_info = 1;
316     }
317 
318     /* FIXME: Assuming explicit handle */
319 
320     fprintf(file, "%s __cdecl %s_%s(handle_t IDL_handle, %s *IDL_type)%s\n",
321             ret_type ? ret_type : "void", type->name, func_name, type->name, iface ? "" : ";");
322     if (!iface) return; /* declaration only */
323 
324     fprintf(file, "{\n");
325     fprintf(file, "    %sNdrMesType%s%s(\n", ret_type ? "return " : "", func_name,
326             mode != MODE_Os ? "2" : "");
327     fprintf(file, "        IDL_handle,\n");
328     if (mode != MODE_Os)
329         fprintf(file, "        (MIDL_TYPE_PICKLING_INFO*)&__MIDL_TypePicklingInfo,\n");
330     fprintf(file, "        &%s_StubDesc,\n", iface->name);
331     fprintf(file, "        (PFORMAT_STRING)&__MIDL_TypeFormatString.Format[%u],\n",
332             type->typestring_offset);
333     fprintf(file, "        IDL_type);\n");
334     fprintf(file, "}\n");
335     fprintf(file, "\n");
336 }
337 
338 void write_serialize_functions(FILE *file, const type_t *type, const type_t *iface)
339 {
340     if (is_attr(type->attrs, ATTR_ENCODE))
341     {
342         write_serialize_function(file, type, iface, "AlignSize", "SIZE_T");
343         write_serialize_function(file, type, iface, "Encode", NULL);
344     }
345     if (is_attr(type->attrs, ATTR_DECODE))
346     {
347         write_serialize_function(file, type, iface, "Decode", NULL);
348         write_serialize_function(file, type, iface, "Free", NULL);
349     }
350 }
351 
352 static void write_function_stubs(type_t *iface, unsigned int *proc_offset)
353 {
354     const statement_t *stmt;
355     const var_t *implicit_handle = get_attrp(iface->attrs, ATTR_IMPLICIT_HANDLE);
356     int method_count = 0;
357 
358     if (!implicit_handle)
359         print_client("static RPC_BINDING_HANDLE %s__MIDL_AutoBindHandle;\n\n", iface->name);
360 
361     LIST_FOR_EACH_ENTRY( stmt, type_iface_get_stmts(iface), const statement_t, entry )
362     {
363         switch (stmt->type)
364         {
365         case STMT_DECLARATION:
366         {
367             const var_t *func = stmt->u.var;
368             if (stmt->u.var->stgclass != STG_NONE
369                 || type_get_type_detect_alias(stmt->u.var->type) != TYPE_FUNCTION)
370                 continue;
371             write_function_stub( iface, func, method_count++, *proc_offset );
372             *proc_offset += get_size_procformatstring_func( iface, func );
373             break;
374         }
375         case STMT_TYPEDEF:
376         {
377             const type_list_t *type_entry;
378             for (type_entry = stmt->u.type_list; type_entry; type_entry = type_entry->next)
379                 write_serialize_functions(client, type_entry->type, iface);
380             break;
381         }
382         default:
383             break;
384         }
385     }
386 }
387 
388 
389 static void write_stubdescdecl(type_t *iface)
390 {
391     print_client("static const MIDL_STUB_DESC %s_StubDesc;\n", iface->name);
392     fprintf(client, "\n");
393 }
394 
395 
396 static void write_stubdescriptor(type_t *iface, int expr_eval_routines)
397 {
398     const var_t *implicit_handle = get_attrp(iface->attrs, ATTR_IMPLICIT_HANDLE);
399 
400     print_client("static const MIDL_STUB_DESC %s_StubDesc =\n", iface->name);
401     print_client("{\n");
402     indent++;
403     print_client("(void *)& %s___RpcClientInterface,\n", iface->name);
404     print_client("MIDL_user_allocate,\n");
405     print_client("MIDL_user_free,\n");
406     print_client("{\n");
407     indent++;
408     if (implicit_handle)
409         print_client("&%s,\n", implicit_handle->name);
410     else
411         print_client("&%s__MIDL_AutoBindHandle,\n", iface->name);
412     indent--;
413     print_client("},\n");
414     print_client("0,\n");
415     if (!list_empty( &generic_handle_list ))
416         print_client("BindingRoutines,\n");
417     else
418         print_client("0,\n");
419     if (expr_eval_routines)
420         print_client("ExprEvalRoutines,\n");
421     else
422         print_client("0,\n");
423     print_client("0,\n");
424     print_client("__MIDL_TypeFormatString.Format,\n");
425     print_client("1, /* -error bounds_check flag */\n");
426     print_client("0x%x, /* Ndr library version */\n", get_stub_mode() == MODE_Oif ? 0x50002 : 0x10001);
427     print_client("0,\n");
428     print_client("0x50100a4, /* MIDL Version 5.1.164 */\n");
429     print_client("0,\n");
430     print_client("%s,\n", list_empty(&user_type_list) ? "0" : "UserMarshalRoutines");
431     print_client("0,  /* notify & notify_flag routine table */\n");
432     print_client("1,  /* Flags */\n");
433     print_client("0,  /* Reserved3 */\n");
434     print_client("0,  /* Reserved4 */\n");
435     print_client("0   /* Reserved5 */\n");
436     indent--;
437     print_client("};\n");
438     fprintf(client, "\n");
439 }
440 
441 
442 static void write_clientinterfacedecl(type_t *iface)
443 {
444     unsigned int ver = get_attrv(iface->attrs, ATTR_VERSION);
445     const UUID *uuid = get_attrp(iface->attrs, ATTR_UUID);
446     const str_list_t *endpoints = get_attrp(iface->attrs, ATTR_ENDPOINT);
447 
448     if (endpoints) write_endpoints( client, iface->name, endpoints );
449 
450     print_client("static const RPC_CLIENT_INTERFACE %s___RpcClientInterface =\n", iface->name );
451     print_client("{\n");
452     indent++;
453     print_client("sizeof(RPC_CLIENT_INTERFACE),\n");
454     print_client("{{0x%08x,0x%04x,0x%04x,{0x%02x,0x%02x,0x%02x,0x%02x,0x%02x,0x%02x,0x%02x,0x%02x}},{%d,%d}},\n",
455                  uuid->Data1, uuid->Data2, uuid->Data3, uuid->Data4[0], uuid->Data4[1],
456                  uuid->Data4[2], uuid->Data4[3], uuid->Data4[4], uuid->Data4[5], uuid->Data4[6],
457                  uuid->Data4[7], MAJORVERSION(ver), MINORVERSION(ver));
458     print_client("{{0x8a885d04,0x1ceb,0x11c9,{0x9f,0xe8,0x08,0x00,0x2b,0x10,0x48,0x60}},{2,0}},\n"); /* FIXME */
459     print_client("0,\n");
460     if (endpoints)
461     {
462         print_client("%u,\n", list_count(endpoints));
463         print_client("(PRPC_PROTSEQ_ENDPOINT)%s__RpcProtseqEndpoint,\n", iface->name);
464     }
465     else
466     {
467         print_client("0,\n");
468         print_client("0,\n");
469     }
470     print_client("0,\n");
471     print_client("0,\n");
472     print_client("0,\n");
473     indent--;
474     print_client("};\n");
475     if (old_names)
476         print_client("RPC_IF_HANDLE %s_ClientIfHandle DECLSPEC_HIDDEN = (RPC_IF_HANDLE)& %s___RpcClientInterface;\n",
477                      iface->name, iface->name);
478     else
479         print_client("RPC_IF_HANDLE %s%s_v%d_%d_c_ifspec DECLSPEC_HIDDEN = (RPC_IF_HANDLE)& %s___RpcClientInterface;\n",
480                      prefix_client, iface->name, MAJORVERSION(ver), MINORVERSION(ver), iface->name);
481     fprintf(client, "\n");
482 }
483 
484 
485 static void write_implicithandledecl(type_t *iface)
486 {
487     const var_t *implicit_handle = get_attrp(iface->attrs, ATTR_IMPLICIT_HANDLE);
488 
489     if (implicit_handle)
490     {
491         write_type_decl( client, implicit_handle->type, implicit_handle->name );
492         fprintf(client, ";\n\n");
493     }
494 }
495 
496 
497 static void init_client(void)
498 {
499     if (client) return;
500     if (!(client = fopen(client_name, "w")))
501         error("Could not open %s for output\n", client_name);
502 
503     print_client("/*** Autogenerated by WIDL %s from %s - Do not edit ***/\n", PACKAGE_VERSION, input_name);
504     print_client("#include <string.h>\n");
505     print_client( "\n");
506     print_client("#include \"%s\"\n", header_name);
507     print_client( "\n");
508     print_client( "#ifndef DECLSPEC_HIDDEN\n");
509     print_client( "#define DECLSPEC_HIDDEN\n");
510     print_client( "#endif\n");
511     print_client( "\n");
512 }
513 
514 
515 static void write_client_ifaces(const statement_list_t *stmts, int expr_eval_routines, unsigned int *proc_offset)
516 {
517     const statement_t *stmt;
518     if (stmts) LIST_FOR_EACH_ENTRY( stmt, stmts, const statement_t, entry )
519     {
520         if (stmt->type == STMT_TYPE && type_get_type(stmt->u.type) == TYPE_INTERFACE)
521         {
522             int needs_stub = 0;
523             const statement_t *stmt2;
524             type_t *iface = stmt->u.type;
525             if (!need_stub(iface))
526                 return;
527 
528             fprintf(client, "/*****************************************************************************\n");
529             fprintf(client, " * %s interface\n", iface->name);
530             fprintf(client, " */\n");
531             fprintf(client, "\n");
532 
533             LIST_FOR_EACH_ENTRY(stmt2, type_iface_get_stmts(iface), const statement_t, entry)
534             {
535                 if (stmt2->type == STMT_DECLARATION && stmt2->u.var->stgclass == STG_NONE &&
536                     type_get_type_detect_alias(stmt2->u.var->type) == TYPE_FUNCTION)
537                 {
538                     needs_stub = 1;
539                     break;
540                 }
541                 if (stmt2->type == STMT_TYPEDEF)
542                 {
543                     const type_list_t *type_entry;
544                     for (type_entry = stmt2->u.type_list; type_entry; type_entry = type_entry->next)
545                     {
546                         if (is_attr(type_entry->type->attrs, ATTR_ENCODE)
547                             || is_attr(type_entry->type->attrs, ATTR_DECODE))
548                         {
549                             needs_stub = 1;
550                             break;
551                         }
552                     }
553                     if (needs_stub)
554                         break;
555                 }
556             }
557             if (needs_stub)
558             {
559                 write_implicithandledecl(iface);
560 
561                 write_clientinterfacedecl(iface);
562                 write_stubdescdecl(iface);
563                 write_function_stubs(iface, proc_offset);
564 
565                 print_client("#if !defined(__RPC_WIN%u__)\n", pointer_size == 8 ? 64 : 32);
566                 print_client("#error  Invalid build platform for this stub.\n");
567                 print_client("#endif\n");
568 
569                 fprintf(client, "\n");
570                 write_stubdescriptor(iface, expr_eval_routines);
571             }
572         }
573     }
574 }
575 
576 static void write_generic_handle_routine_list(void)
577 {
578     generic_handle_t *gh;
579 
580     if (list_empty( &generic_handle_list )) return;
581     print_client( "static const GENERIC_BINDING_ROUTINE_PAIR BindingRoutines[] =\n" );
582     print_client( "{\n" );
583     indent++;
584     LIST_FOR_EACH_ENTRY( gh, &generic_handle_list, generic_handle_t, entry )
585     {
586         print_client( "{ (GENERIC_BINDING_ROUTINE)%s_bind, (GENERIC_UNBIND_ROUTINE)%s_unbind },\n",
587                       gh->name, gh->name );
588     }
589     indent--;
590     print_client( "};\n\n" );
591 }
592 
593 static void write_client_routines(const statement_list_t *stmts)
594 {
595     unsigned int proc_offset = 0;
596     int expr_eval_routines;
597 
598     if (need_inline_stubs_file( stmts ))
599     {
600         write_exceptions( client );
601         print_client( "\n");
602     }
603 
604     write_formatstringsdecl(client, indent, stmts, need_stub);
605     expr_eval_routines = write_expr_eval_routines(client, client_token);
606     if (expr_eval_routines)
607         write_expr_eval_routine_list(client, client_token);
608     write_generic_handle_routine_list();
609     write_user_quad_list(client);
610 
611     write_client_ifaces(stmts, expr_eval_routines, &proc_offset);
612 
613     fprintf(client, "\n");
614 
615     write_procformatstring(client, stmts, need_stub);
616     write_typeformatstring(client, stmts, need_stub);
617 }
618 
619 void write_client(const statement_list_t *stmts)
620 {
621     if (!do_client)
622         return;
623     if (do_everything && !need_stub_files(stmts))
624         return;
625 
626     init_client();
627     if (!client)
628         return;
629 
630     write_client_routines( stmts );
631     fclose(client);
632 }
633